T.U.F.-PIPE for OCTG.U.F.-PIPE for OCTG · T.U.F.-PIPE for OCTG.U.F.-PIPE for OCTG Tough materials,...

Cat. No. EXE561 2008.6 PDF

Printed in Japan© 2006, 2008 NIPPON STEEL CORPORATION, All Rights Reserved.

T.U.F.-PIPE for OCTG

6-3, Otemachi 2-chome, Chiyoda-ku, Tokyo 100-8071, JapanPhone: 81-3-3242-4111 Fax: 81-3-3275-5607

Head Office Nippon Steel Corporation

T.U.F.-PIPE for OCTGT.U.F.-PIPE for OCTGT.U.F.-PIPE for OCTGTough materials, Uniform properties, Free from defects

1

3

4

5

2

ContentsCharacteristics 1Available Grades 2Guaranteed Properties 2Mechanical Properties 3Available Sizes 416-inch Mill Manufacturing Process 824-inch Mill Manufacturing Process 10Principal Processes 12Welding Condition Monitoring and Controlling System 14Inspection 15Research and Development 16Performance Properties 17Nippon Steel Performance Properties and Dimensions 19The Pipe Mills of Nippon Steel 29


Nippon Steel Corporation, the world’s largest steelmaker,

supplies a full range of pipe and tubes — 1.5 million ton a

year. Oil companies and other energy-related firms around

the world have come to regard Nippon Steel as the standard

of quality for these products.

Quality has improved over the years to the extent that

defect-free weld metal, which are tough as base metal, are

consistently achieved, making Nippon Steel’s ERW pipe

ideal for OCTG applications. In fact, it is so superior to

conventional ERW pipe that a new name is needed. This

catalog will show why this new pipe, T.U.F.-PIPE, can satisfy

all your requirements for quality, quantity and delivery.

Characteristics

Superior MaterialNippon Steel production system begins with advanced metallurgy

and clean BOF steelmaking practices. Continuous casting followed

by hot-rolling, produces hot-rolled strip of optimum quality for pipe

making.

High Dimensional AccuracyHigh uniform wall thickness and smooth finish free from nonmetallic

inclusions and surface defects provide casing and tubing with a

superior level of quality and excellent driftability as well as high per-

formance properties.

Tough WeldWeld metal free from defects and as tough as the base metal result

from Nippon Steel’s newly-developed technology.

High Performance PropertiesNippon Steel’s proprietary standard “NT-Series” have higher perfor-

mance ratings than corresponding API grades.

Wide Range of AvailabilityT.U.F.-Pipe is available in outside diameter from 4.5 in to 20 inch,

wall thickness up to 0.750 in and length up to 65 feet.

Tough materials, Uniform properties, Free from defects

1

Notice: While every effort has been made to ensure the accuracy of the information contained within this publication, the use of the information is at the reader’s risk and no warranty is implied or expressed by Nippon Steel Corporation with respect to the use of information contained herein.The information in this publication is subject to change or modification without notice. Please contact the Nippon Steel office for the latest information.

Copyright © 2006, 2008 NIPPON STEEL CORPORATION. All rights reserved.

T.U.F.-PIPE for OCTG (EXE561)

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

Available Grades

Guaranteed Properties

Mechanical Properties（ 1） Tensile Properties and Hardness

（ 2） Toughness

32

40,000

55,000

80,000

95,000

OCTG

H-40

J-55

K-55

Grade

API 5LA～X80Line Pipe

NT-80DE

NT-55HE

NT-80HE

NT-95HE

NT-55LHE

NT-80LHE

NT-55LE

NT-80LE

YieldStrength

Min.(psi)

API5CT

DeepWell

ServiceDE

GeneralHE

HighToughness

LHE

HighToughness

(Arctic Service)LE

NT-Series (Nippon Steel Standards)

High Collapse Resistance Casing

＊ Internal Yield Pressure of Pipe P=0.925 （Wall Thickness Tolerance: -7.5%）

—

◯

◯

—

—

◯

◯

◯

—

—

◯

—

—

—

—

◯

◯

◯

◯

◯

◯ ＊

◯ ＊

◯ ＊

◯ ＊

—

—

—

—

—

—

—

—

API

DE

HE

LHE

LE

NT-

Ser

ies

HighCollapseStrength

ShellBend

COR-Test

LowHardness

As per API 5CT

TransverseLongitudinal AlternativeDrift

InternalYield

Pressure

Charpy ValueSour Resistance Dimensions

（2Ypt）（ D ）

H-40

J-55

K-55

NT-80DE

NT-55HE

NT-80HE

NT-95HE

NT-55LHE

NT-80LHE

NT-55LE

NT-80LE

API 5CT

40,000

55,000

55,000

80,000

55,000

80,000

95,000

55,000

80,000

55,000

80,000

80,000

80,000

80,000

110,000

95,000

110,000

125,000

80,000

95,000

80,000

95,000

60,000

75,000

95,000

100,000

95,000

100,000

110,000

75,000

95,000

75,000

95,000

API-formula

Deep Well ServiceDE

High Collapse-General

HE

High Collapse-High Toughness

LHE

Arctic ServiceLE

NT-

Ser

ies

Min. Max.

Grade

Min.

Elongation（%）

Hardness（HRC）

—

—

—

—

≦22

≦22

≦31

≦20

≦22

≦20

≦22

Yield Strength（psi）

Tensile Strength（psi）

L

L

C

C

NT-55LHE

NT-80LHE

NT-55LE

NT-80LE

-50˚F

-50˚F

-50˚F

-50˚F

High Collapse-High Toughness

LHE

Arctic ServiceLE

Ave. Min.

Grade

Ave. Min.

Base MetalDirection Weld

20.0 ft-lb

20.0 ft-lb

20.0 ft-lb

20.0 ft-lb

25.0 ft-lb

25.0 ft-lb

25.0 ft-lb

25.0 ft-lb

20.0 ft-lb

20.0 ft-lb

20.0 ft-lb

20.0 ft-lb

25.0 ft-lb

25.0 ft-lb

25.0 ft-lb

25.0 ft-lb

TestTemp.

Charpy Absorbed Energy（ft-1b）＊

＊ In case of full size specimen



Available Sizes（ 1） Casing

54

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

H-40

○ （○）（○）（○）（○）

（○）（○）（○）（○）（○）（○） ○ （○）（○）（○）（○） ○ （○）（○）（○） ○ ○ （○）（○）（○）（○）（○） ○ （○）（○）（○）（○）

（○） ○ ○ （○）（○）（○）（○） ○ ○ （○）（○）（○）（○） ○ ○ （○）（○）（○）（○）（○）

mm

5.21 5.69 6.35 7.37 8.56

5.59 6.43 7.52 9.1911.1012.14

6.20 6.98 7.72 9.1710.54

7.32 8.9410.5912.06

5.87 6.91 8.05 9.1910.3611.5112.65

7.62 8.33 9.5210.9212.70

6.71 7.72 8.9410.1611.4312.7014.15

7.92 8.9410.0311.0511.9913.84

7.09 8.8910.1611.4312.5713.8415.11

in

0.2050.2240.2500.2900.337

0.2200.2530.2960.3620.4370.478

0.2440.2750.3040.3610.415

0.2880.3520.4170.475

0.2310.2720.3170.3620.4080.4530.498

0.3000.3280.3750.4300.500

0.2640.3040.3520.4000.4500.5000.557

0.3120.3520.3950.4350.4720.545

0.2790.3500.4000.4500.4950.5450.595

lbs/ft

9.5010.5011.6013.5015.10

11.5013.0015.0018.0021.4023.20

14.0015.5017.0020.0023.00

20.0024.0028.0032.00

17.0020.0023.0026.0029.0032.0035.00

24.0026.4029.7033.7039.00

24.0028.0032.0036.0040.0044.0049.00

32.3036.0040.0043.5047.0053.50

32.7540.5045.5051.0055.5060.7065.70

J-55

○ ○ ○ （○）（○） ○ ○ ○ （○）（○）（○） ○ ○ ○ （○）（○） ○ ○ （○）（○）

（○） ○ ○ ○ （○）（○）（○）

（○） ○ （○）（○）（○） ○ （○） ○ ○ （○）（○）（○）

（○） ○ ○ （○）（○）（○）

（○） ○ ○ ○ （○）（○）（○）

K-55

○ ○ ○ （○）（ー） ○ ○ ○ （○）（ー）（ー） ○ ○ ○ （○）（○） ○ ○ （○）（○）

（○） ○ ○ ○ （○）（○）（○）

（○） ○ （○）（○）（○） ○ （○） ○ ○ （○）（○）（○）

（○） ○ ○ （○）（○）（○）

（○） ○ ○ ○ （○）（○）（○）

NT-80DE

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

NT-55HE

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

NT-80HE

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

NT-95HE

ーーーーーーーーーーー ○ ○ ○ ーー ○ ○ ーー ○ ○ ○ ○ ーーー

○ ○ ○ ーー

○ ○ ○ ○ ○ ーー

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ー

NT-55LHE

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

NT-80LHE

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ー

○ ○ ○ ○ ー

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

NT-55LE

○ ○ ーーー ○ ○ ーーーー ○ ○ ーーー ○ ○ ーー ○ ○ ーーーーー ○ ○ ○ ーー ○ ○ ○ ○ ーーー ○ ○ ○ ○ ○ ー ○ ○ ○ ○ ○ ーー

NT-80LE

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

Short

○ ○ ○ ーー ○ ○ ○ ーーー ○ ○ ○ ーー ○ ○ ーー ○ ○ ○ ーーーー ○ ○ ーーー ○ ○ ○ ○ ーーー ○ ○ ○ ーーー ○ ○ ○ ○ ○ ○ ○

Long

ーー ○ ○ ○ ー ○ ○ ○ ○ ○ ー ○ ○ ○ ○ ○ ○ ○ ○

ー ○ ○ ○ ○ ○ ○ ー ○ ○ ○ ○ ーー ○ ○ ○ ○ ○ ー ○ ○ ○ ○ ○

ー（○）（○）（○）（○）（○）（○）

for API Grade

ー ○ ○ ○ ○

ー ○ ○ ○ ○ ○

ー ○ ○ ○ ○ ○ ○ ○ ○ ー ○ ○ ○ ○ ○ ○ ー ○ ○ ○ ○ ーー ○ ○ ○ ○ ○

ー ○ ○ ○ ○ ○

ー ○ ○ ○ ○ ○ ○

for NT-Series

（○） ○ ○ ○ ○

（○） ○ ○ ○ ○ ○

（○） ○ ○ ○ ○ ○ ○ ○ ○

（○） ○ ○ ○ ○ ○ ○

（○） ○ ○ ○ ○

（○）（○） ○ ○ ○ ○ ○

（○） ○ ○ ○ ○ ○

（○） ○ ○ ○ ○ ○ ○

412

（114.3）

API 5CT NT-Series NT-Series Round BTC

NominalWeight

Thread &Coupling

OutsideDiameter

in（mm）

WallThickness

Thread TypeGradeGrade

5（127.0）

512

（139.7）

658

（168.3）

7（177.8）

758

（193.7）

858

（219.1）

958

（244.5）

DE HE LHE LE

1034

（273.1）

○： Available　—： Not Available　（○）： Non-API Size



（ 2） 18, 18 5／ 8, 20 and 24 in O. D. Casing with Threaded Connector

Available Sizes（ 1） Casing

76

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

H-40

○ （○）（○）（○） ○ （○）（○）（○）（○） ○ （○）（○）（○）（○）

（○） ○ （○）（○）（○）（○）（○）（○）（○） ○ （○）（○）（○）

mm

8.469.52

11.0512.42

8.389.65

10.9212.1913.06

9.5211.1312.5714.2716.66

9.7811.0511.8912.3413.4914.3014.7115.0916.15

11.1312.7014.3016.13

in

0.3330.3750.4350.489

0.3300.3800.4300.4800.514

0.3750.4380.4950.5620.656

0.3850.4350.4680.4860.5310.5630.5790.5940.636

0.4380.5000.5630.635

lbs/ft

42.00 47.00 54.00 60.00

48.00 54.50 61.00 68.00 72.00

65.00 75.00 84.00 94.50109.00

78.00 87.50 94.50 96.50106.00109.35112.00115.00122.00

94.00106.50117.00133.00

J-55

（○） ○ ○ ○

（○） ○ ○ ○ （○）

（○） ○ ○ （○）（○）

（○） ○ （○）（○）（○）（○）（○）（○）（○） ○ ○ （○） ○

K-55

（○） ○ ○ ○

（○） ○ ○ ○ （○）

（○） ○ ○ （○）（○）

（○） ○ （○）（○）（○）（○）（○）（○）（○） ○ ○ （○） ○

NT-80DE

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ー ○ ○ ○ ○ ○ ーーーー ○ ○ ーー

NT-55HE

○ ○ ○ ○ ○ ○ ○ ○ ○ ーーーーーーーーーーーーーーーーーー

NT-80HE


NT-95HE


NT-55LHE


NT-80LHE


NT-55LE

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ー ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

NT-80LE


Short

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ （○）（○）ー ○ （○）（○）（○）（○）（○）（○）（○） ○ ○ （○） ○

Long

ー（○）（○）（○）ー（○）（○）（○）（○）ーーーーーーーーーーーーーー ○ ○ （○） ○

for API Grade

ー ○ ○ ○

ー ○ ○ ○ ○ ー ○ ○ （○）（○）

ー ○ （○）（○）（○）（○）（○）（○）（○） ○ ○ （○） ○

for NT-Series

（○） ○ ○ ○

（○） ○ ○ ○ ○ ー ○ ○ （○）（○）ー（○）（○）（○）（○）（○）（○）（○）（○） ○ ○ （○） ○

API 5CT NT-Series NT-Series Round BTC

NominalWeight

Thread &Coupling

WallThickness

Thread TypeGradeGrade

1338

（339.7）

1134

（298.5）

1858

（473.1）

16（406.4）

20（508.0）

○： Available　—： Not Available　（○）： Non-API Size

DE HE LHE LE

OutsideDiameter

in（mm）

lb/ft

82.15

84.51

91.51104.13129.33131.33

110.22117.86125.49140.68

mm

11.13

11.05

11.1312.7015.8816.13

11.1311.9112.7014.27

in

0.438

0.435

0.4380.5000.6250.635

0.4380.4690.5000.562

1858

（473.1）

in（mm）

20（508.0）

18（457.2）

24（609.6）

Wall ThicknessOutside Diameter Calculated Weight※ All types of connectors can be welded on, such as:

VetcoDril-QuipHunting



16-inch Mill Manufacturing Process

98

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

PWPHF-Welder

Outside and InsideWeld Bead Removing

Forming

FlatteningTest

Hydrostatic TestAE Leak Detector

Customer’sInspection

Sizing

Coupling Screw-onand Power Tightening

CuttingSeam

Heat TreatmentCooling

Straightening

Weighing and LengthMeasuring

Marking and Die Stamping

UV Coating

Threading and Beveling

HydrostaticTest andDrift Test

StraightnessInspection

Pipe End UST andWall Thickness Inspection

Outside Diameter andRoundness Inspection

EMT Seam USTPipe Body UST

Products

Products

Blast Furnace

BasicOxygenFurnace

Degassing

Continuous Casting

Hot Strip Mill Uncoiling and LevelingSlitting

Edge MillingShearing and

Welding Looper X-Ray Gauge

Facing



24-inch Mill Manufacturing Process

1110

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

Blast Furnace

BasicOxygenFurnace

DegassingContinuous Casting

PWPHF-Welder

FormingX-rayGauge

Straightening Facing FlatteningTest

SlabHot Strip Mill Uncoiling, Leveling, Shearing Edge

MillingCoil Edge

UST

Outside and InsideWeld Bead Removing

Seam Heat TreatmentSizing CuttingPipe Body

UST

Hydrostatic TestSeam UST Final Inspection

Products

ProductsDrift Test

andInspection

Threading and Beveling Coupling Power Tightening

( )

( )



Principal Processes

12

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG q Steelmaking

Degassing and desulfurizing of the metal during the steel-making process produce clean steel with low non-metalic inclusions and better surface finishes. w Hot RollingAdvanced hot rolling results in hot coil with a fine grain structure and high dimensional accuracy. e Spiral LooperThe spiral looper supplies a steady feed of coil down-stream to the continuous edge milling, pipe forming and welding stands.

r Forming StandsHeavy duty stands accurately form the incoming coil into pipe having a wide range of wall thickness and outside diameters. t PWP HF-WelderThe Perfect Welding Process, developed by Nippon Steel, produces high quality welds. Seams are inspected by ultrasonic testing. y Welded Seam Heat TreatmentHeat treatment in the welded zone stabilizes the micro-structure and gives it the same physical properties as the base metal. The exact seam position is determined by optical sensors for seam heat treatment, and ultrasonic and hydrostatic testing. u Non-destructive TestingEvery length and all surfaces of each T.U.F.-Pipe is sub-jected to a full line-up of non-destructive tests. i Automatic InspectionEvery pipe is given a comprehensive check using automat-ic inspection equipment. o Monitoring and Tracking SystemT.U.F.-Pipe is monitored and tracked at every stage of pro-duction by on-line computers. All manufacturing data is stored by computer and can be made available in any form required by the customer. !0 MarkingAutomatic stencilling and die-stamping machines identify and clearly mark every pipe.

!1 Thread CuttingAdvanced NC lathes cut high precision threads to order. Connectors for large O.D. casings are also available. The use of thread protectors is recommended to prevent damage to the connectors during handling, loading and pipe rolling.

1

3

4

5 6

7

8 9

10

2

13Copyright © 2006, 2008 NIPPON STEEL CORPORATION. All rights reserved.


Welding Condition Monitoring and Controlling System

Pipe End UST EMT Pipe Body UST

Transversedefect

Longitudinaldefect

Seam UST

Marker

On-line Monitoring andTracking System

Wall ThicknessMeasuring

Outside Diameter and Roundness Inspection Weighing Length

Measuring

Marker

Pipe Flow

Pipe Flow

Straightness Inspection

On-line Monitoring andTracking System

14 15

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

1. Welding conditions are not always the sameVarying combinations of welding heat input, welding speed, pipe wall thickness and the like produce different weld results.

2. Optimum welding conditions form a narrow range.Low heat input causes undesirable cold welds. High heat input leads to so-called penetrators. A sound weld thus requires control of heat input within a relatively narrow range.

The three combined Non-destructive Inspection System, Automatic Measuring and Inspection System, and On-line Monitoring and Tracking System together represent a thorough battery of tests that will satisfy every customer’s requirements. Each pipe undergoes this examination.

1. Non-destructive Inspection SystemThe NDI checks not only the whole pipe body, but also the weld seam and pipe-ends.

2. Automatic Measuring and Inspection SystemThe outside diameter, roundness and straightness, as well as the length, weight and wall thickness of every pipe are checked and recorded automtically.

3. On-line Monitoring and Tracking SystemAn on-line computer monitors and tracks each pipe at every step of the pipe-making process. This inspection data is collected and stored to assure the quality of each product.

3. The System monitors and controls welding conditions at every instant.

With this system, welding conditions are controlled within the optimun range and the operator is clearly aware of state of welding.

Low Heat Input

Optimum Heat Input

High Heat Input

Classification of Welding Phenomena Fluctuation Patterns of Oscillation

Inspection

Measuring Results of Roundness

Pipe End UST

CRT displays resultsof pipe NDI

OD and RoundnessInspection Machine



Research and Development

Tension and Compression Tester

Collapse Tester Research and Development Roll Forming Line

16 17

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

Nippon Steel’s Research specialists are always working to develop new products with higher performance prop-erties suited to increasingly severe service environments.

600

500

400

300

200

100

8

7

6

5

4

3

2

1

01816 20 22 24 26 28 30 32 34 36

D / t (Outside Diameter / Wall Thickness)

Col

lap

se P

ress

ure

Kgf/cm2 ×103 psi1,000

900

800

700

600

500

400

300

200

D / t (Outside Diameter / Wall Thickness)

Col

lap

se P

ress

ure

Kgf/cm2

13 3/8”×68 lb/ft

NT-55HE

NT-55LHE

14

13

12

11

10

9

8

7

6

5

4

3

2

1412 16 18 20 22 24 26

×103 psi

NT-80HENT-80LHE

N-80 and L-80

9 5/8”×47 lb/ft

NT-55HENT-55LHE

J/K-55

GradeMin. Collapse Pressure

psi

2,9902,8501,950

150%

NT-80HEN/L-80

GradeMin. Collapse Pressure

psi

6,2304,760

130%

API J-55 and K-55

Saf

ety

Fact

or fo

rC

olla

pse

at

3,70

0 ft

Dep

th

13 3／8 in O.D. Casing, Setting Depth 3,700 ft 9 5／8 in O.D. Casing, Setting Depth 6,780 ft

Saf

ety

Fact

or fo

rC

olla

pse

at

6,78

0 ft

Dep

th

N-80L-80

NT-80HE NT-80HEJ-55K-55

NT-55HE NT-55HE

68 lb / ft 68 lb / ft 61 lb / ft 47 lb / ft 47 lb / ft

Grade

Weight

Grade

Weight 43.5 lb / ft

1.8

1.6

1.4

1.2

1.0

Mud weight12.0 ppg

Mud weight9.9 ppg( )

1.8

1.6

1.4

1.2

1.0

1.125

1.335

1.205

1.125

1.727

1.282

( )

( )

3

2

1

0

NormalizedSML

Conven-tionalERW

Cor

rosi

on R

ate

(mm

/year)

KJ-55 J-55 NT-80HE L-80

( ) Q&TSML

T.U.F.( )

HAZ of Seam Heat Treatment

Base Metal

0.15 0.17 0.16 0.20

Localized Corrosion in H2S Environment

Gas

H2S 1 atm

Solution

Substitute Seawater

Temperature

25°C

Flow Velocity

1 m/sec

Weld30

20

10

0

Burst not at weld positionBurst Location

Freq

uenc

y (%

)

Burst Test Results

A B C D

315˚ 45˚

225˚ 135˚

A

D B

C

Weld

: Collapse Test Resultsby Southwest ResearchInstitute, U.S.A

Performance Properties（ 1） T.U.F. has Higher Collapse Resistance than API

（ 2） Higher Safety Factor and Lighter Well Design

（ 3） High Reliability of Weld Quality



Performance PropertiesExample of Lighter Well Design

18 19

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

T.U

.F.-PIP

E fo

r OC

TG

N-80, 29.0 lb / ftBTC

N-80, 72.0 lb / ftSTC

N-80, 43.5 lb / ftLTC

Depth

API Grade OnlyODin

（mud）

13-3 / 8（9.2 ppg）

9-5 / 8（10.5 ppg）

7（11.5 ppg）

TotalCasingWeight

T.U.F. Casings

1,000 ft

4,500 ft

6,000 ft

12,000 ft

1,102,500 lbs（100%）

Design Factors: 1.125 for Collapse, 1.0 for Burst, 1.8 for Tension.

Typical Well Design

1,052,750 lbs（95.5%）

9,000 ft

Depth

2,000 ft

4,500 ft

7,500 ft

12,000 ft

9,000 ft

N-80, 29.0 lb / ftLTC

N-80, 53.5 lb / ftLTC

N-80, 32.0 lb / ftLTC

NT-80HE, 26.0 lb / ftBTC

NT-80HE, 68.0 lb / ftSTC

NT-80HE, 40.0 lb / ftLTC




412

5

H-40J-55NT-55LHEK-55NT-55HENT-55LENT-80LHENT-80DENT-80HENT-80LE

J-55NT-55LHEK-55NT-55HENT-55LENT-80LHENT-80DENT-80HENT-80LE

J-55NT-55LHEK-55NT-55HENT-55LEL-80N-80NT-80LHENT-80DENT-80HENT-80LE

NT-55LHENT-55HENT-55LEL-80N-80NT-80LHENT-80DENT-80HENT-80LE

NT-55LHENT-55HENT-55LENT-80LHENT-80DENT-80HENT-80LE



9.509.509.509.509.509.509.509.509.509.50

10.5010.5010.5010.5010.5010.5010.5010.5010.50

11.6011.6011.6011.6011.6011.6011.6011.6011.6011.6011.60

13.5013.5013.5013.5013.5013.5013.5013.5013.50

15.1015.1015.1015.1015.1015.1015.10

11.5011.5011.5011.5011.5011.5011.5011.5011.50

13.0013.0013.0013.0013.0013.0013.0013.0013.00

0.2050.2050.2050.2050.2050.2050.2050.2050.2050.205

0.2240.2240.2240.2240.2240.2240.2240.2240.224

0.2500.2500.2500.2500.2500.2500.2500.2500.2500.2500.250

0.2900.2900.2900.2900.2900.2900.2900.2900.290

0.3370.3370.3370.3370.3370.3370.337

0.2200.2200.2200.2200.2200.2200.2200.2200.220

0.2530.2530.2530.2530.2530.2530.2530.2530.253

2760330044103300500033005450390054503900

399049503990571039906380494063804940

49605680496066204960636063607500636075006360

672078906420854085409020854090208540

792093207620

10700110901070011090

306041903060471030605080356050803560

414050704140586041406560514065605140

3190438046404380464046406740674067406740

480050704800507050707380738073807380

53505650535056505650778077808220822082208220

656065606560902090209540954095409540

762076207620

11080110801108011080

424044804240448044806510651065106510

487051504870515051507490749074907490

3190438046404380464046406740674067406740

480050704800507050707380738073807380

53505650535056505650

8220822082208220

424044804240448044806510651065106510

487051504870515051507490749074907490

5070

5070

7380

7380

53505650535056505650778077808220822082208220

656065606560902090209540954095409540

732073207320

10650106501065010650

4480

4480

6510

6510

487051504870515051507490749074907490

4640

4640

6740

6740

480050704800507050707380738073807380

53505650535056505650778077808220822082208220

656065606560902090209540954095409540

6740674067409800980098009800

4480

4480

6510

6510

487051504870515051507490749074907490

77101101112112101140143143140

133133147147133183186186183

154154170170154

212216216212

133133147147133184188188184

169169186186169233237237233

140

155

183

192

162162180180162212223212223223212

196218196257270257270270257

236261236308325325308

150

166

199

209

182182201201182241254254241

186

229

241

252

203203250250203263274274263

225225277277225291304291304304291

258318258334349334349349334

297365297384401401384

221

271

286

299

252252309309252327341341327

111152152152152152221221221221

166166166166166241241241241

184184184184184267267267267267267

211211211307307307307307307

242242242353353353353

182182182182182264264264264

208208208208208302302302302

3.9653.9654.0053.9654.0054.0054.0054.0054.0054.005

3.9273.9673.9273.9673.9673.9673.9673.9673.967

3.8753.9153.8753.9153.9153.8753.8753.9153.9153.9153.915

3.8353.8353.8353.7953.7953.8353.8353.8353.835

3.7413.7413.7413.7413.7413.7413.741

4.4354.4754.4354.4754.4754.4754.4754.4754.475

4.3694.4094.3694.4094.4094.4094.4094.4094.409

Weight（lbs/ft）

Size（in）

Grade Collapse（psi）

W.T.（in）

Min. Internal Yield Pressure（psi） Joint Strength（1,000 lbs） Drift D.（in）

PBYS （1,000 lbs） BTCLTCSTCBTCLTCSTCPE


Performance Properties and Dimensions



20 21

5

512

J-55NT-55LHEK-55NT-55HENT-55LEL-80N-80NT-80LHENT-80DENT-80HENT-80LE





H-40J-55NT-55LHEK-55NT-55HENT-55LENT-80LHENT-80DENT-80HENT-80LENT-95HE

J-55NT-55LHEK-55NT-55HENT-55LENT-80LHENT-80DENT-80HENT-80LENT-95HE

15.0015.0015.0015.0015.0015.0015.0015.0015.0015.0015.00

18.0018.0018.0018.0018.0018.0018.0018.0018.00

21.4021.4021.4021.4021.4021.4021.4021.4021.40

23.2023.2023.2023.2023.2023.2023.2023.2023.20

24.1024.1024.1024.1024.1024.1024.1024.1024.10

14.0014.0014.0014.0014.0014.0014.0014.0014.0014.0014.00

15.5015.5015.5015.5015.5015.5015.5015.5015.5015.50

0.2960.2960.2960.2960.2960.2960.2960.2960.2960.2960.296

0.3620.3620.3620.3620.3620.3620.3620.3620.362

0.4370.4370.4370.4370.4370.4370.4370.4370.437

0.4780.4780.4780.4780.4780.4780.4780.4780.478

0.5000.5000.5000.5000.5000.5000.5000.5000.500

0.2440.2440.2440.2440.2440.2440.2440.2440.2440.2440.244

0.2750.2750.2750.2750.2750.2750.2750.2750.2750.275

55606110556071505560725072508140725081407250

764089807490

105001050010300105001030010500

9350110208770

127601276012670127601267012760

10290121409510

138301383013960138301396013830

10800127409900

144001440014650144001465014400

26203120425031204780312051703620517036205580

4040500040405760404064304990643049907510

57006020570060206020829082908760876087608760

737073707370

101401014010720107201072010720

889088908890

122201222012940129401294012940

973097309730

133801338014150141501415014150

101801018010180140001400014800148001480014800

31104270451042704510451065706570657065707800

4810509048105090509074007400740074008790

57006020570060206020

8760876087608760

31104270451042704510451065706570657065707800

4810509048105090509074007400740074008790

57006020570060206020829082908760876087608760

737073707370

101401014010720107201072010720

744074407440

108201082010820108201082010820

744074407440

108201082010820108201082010820

744074407440

108201082010820108201082010820

4510

4510

6570

6570

4810509048105090509074007400740074008790

57006020570060206020829082908760876087608760

682068206820991099109910991099109910

682068206820991099109910991099109910

682068206820991099109910991099109910

682068206820991099109910991099109910

4510

4510

6570

6570

4810509048105090509074007400740074008790

207207228228207

286291291286

130172172189189172238243243238281

202202222222202279284284279329

223223246246223295311295311311295

284314284376396376396396376

352389352466490466490490466

388428388513540513540540513

407449407538567538567567538

185

204

254

261

217217239239217298306306298345

293293359359293379396379396396379

353432353457477457477477457

403510403510537510537537510

403510403510537510537537510

403510403510537510537537510

267

327

347

362

300300366366300389406406389453

241241241241241350350350350350350

290290290422422422422422422

345345345501501501501501501

373373373543543543543543543

389389389565565565565565565

161222222222222222322322322322383

248248248248248361361361361429

4.2834.3234.2834.3234.3234.2834.2834.3234.3234.3234.323

4.1914.1914.1914.1514.1514.1914.1914.1914.191

4.0414.0414.0414.0014.0014.0414.0414.0414.041

3.9593.9593.9593.9193.9193.9593.9593.9593.959

3.9153.9153.9153.8753.8753.9153.9153.9153.915

4.8874.8874.9274.8874.9274.9274.9274.9274.9274.9274.927

4.8254.8654.8254.8654.8654.8654.8654.8654.8654.865

Weight（lbs/ft）

Size（in）


W.T.（in）



512

658

J-55NT-55LHEK-55NT-55HENT-55LEL-80N-80NT-80LHENT-80DENT-80HENT-80LENT-95HE







17.0017.0017.0017.0017.0017.0017.0017.0017.0017.0017.0017.00

20.0020.0020.0020.0020.0020.0020.0020.0020.00

23.0023.0023.0023.0023.0023.0023.0023.0023.00

20.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.00

24.0024.0024.0024.0024.0024.0024.0024.0024.0024.0024.0024.00

28.0028.0028.0028.0028.0028.0028.0028.0028.00

32.0032.0032.0032.0032.0032.0032.0032.0032.00

0.3040.3040.3040.3040.3040.3040.3040.3040.3040.3040.3040.304

0.3610.3610.3610.3610.3610.3610.3610.3610.361

0.4150.4150.4150.4150.4150.4150.4150.4150.415

0.2880.2880.2880.2880.2880.2880.2880.2880.2880.2880.288

0.3520.3520.3520.3520.3520.3520.3520.3520.3520.3520.3520.352

0.4170.4170.4170.4170.4170.4170.4170.4170.417

0.4750.4750.4750.4750.4750.4750.4750.4750.475

491056504910658049106290629074506290745062909140

686080506620884088409210884092108840

799094007670

111601116010790111601079011160

25202970412029704610297049503480495034805280

456053904560626045605760576070605760706057608510

655076806170817081708770817087708170

756088907320

103201032010190103201019010320

532056205320562056207740774081808180818081809710

668066806680919091909710971097109710

768076807680

105601056011170111701117011170

30404180442041804420442064306430643064307640

511054105110541054107440744078607860786078609340

640064006400881088109320932093209320

730073007300

100401004010610106101061010610

53205620532056205620

81808180818081809710

30404180442041804420442064306430643064307640

51105410511054105410

78607860786078609340

532056205320562056207740774081808180818081809710

668066806680919091909710971097109710

679067906790988098809880988098809880

4180442041804420442064306430643064307640

511054105110541054107440744078607860786078609340

640064006400881088109320932093209320

730073007300

100401004010610106101061010610

532056205320562056207740774081808180818081809710

618061806180900090009000900090009000

618061806180900090009000900090009000

4180442041804420442064306430643064307640

511054105110541054107440744078607860786078609340

640064006400881088109320932093209320

675067506750982098209820982098209820

229229252252229

317323323317374

184245245267267245340346346340401

314314342342314

436443443436514

247247272272247338348338348348338392

304334304416428416428428416

356392356489502489502502489

266266290290266369375375369434

340340372372340473481473481481473557

415454415576586576586586576

480525480666678666678678666

329329402402329428446428446446428498

387472387503524503524524503

435537435551580551580580551

374374453453374489509509489569

453453548448453592615592615615592689

531643531693721693721721693

599725599783814783814814783

273273273273273397397397397397397471

321321321466466466466466466

365365365530530530530530530

229315315315315315459459459459545

382382382382382555555555555555555659

447447447651651651651651651

505505505734734734734734734

4.7674.8074.7674.8074.8074.7674.7674.8074.8074.8074.8074.807

4.6934.6934.6934.6534.6534.6934.6934.6934.693

4.5854.5854.5854.5454.5454.5854.5854.5854.585

5.9245.9245.9645.9245.9645.9645.9645.9645.9645.9645.964

5.7965.8365.7965.8365.8365.7965.7965.8365.8365.8365.8365.836

5.7065.7065.7065.6665.6665.7065.7065.7065.706

5.5905.5905.5905.5505.5505.5905.5905.5905.590

Weight（lbs/ft）

Size（in）


W.T.（in）







22 23

7

H-40NT-55LHENT-55HENT-55LENT-80LHENT-80DENT-80HENT-95HE

H-40J-55NT-55LHEK-55NT-55HENT-55LENT-80LHENT-80DENT-80HENT-95HE






17.0017.0017.0017.0017.0017.0017.0017.00

20.0020.0020.0020.0020.0020.0020.0020.0020.0020.00

23.0023.0023.0023.0023.0023.0023.0023.0023.0023.0023.0023.00

26.0026.0026.0026.0026.0026.0026.0026.0026.0026.0026.0026.00

29.0029.0029.0029.0029.0029.0029.0029.0029.00

32.0032.0032.0032.0032.0032.0032.0032.0032.00

35.0035.0035.0035.0035.0035.0035.0035.0035.00

0.2310.2310.2310.2310.2310.2310.2310.231

0.2720.2720.2720.2720.2720.2720.2720.2720.2720.272

0.3170.3170.3170.3170.3170.3170.3170.3170.3170.3170.3170.317

0.3620.3620.3620.3620.3620.3620.3620.3620.3620.3620.3620.362

0.4080.4080.4080.4080.4080.4080.4080.4080.408

0.4530.4530.4530.4530.4530.4530.4530.4530.453

0.4980.4980.4980.4980.4980.4980.4980.4980.498

14202310238016302430180024302370

1970227033802270364022703800274038003840

327043803270495032703840384053903840539038405890

433052104330604043305410541067805410678054108070

600070205410703070307990703079907030

675079206460861086109060861090608610

749088107270

101901019010100101901010010190

23103360336033604880488048805800

2720374039503740395039505750575057506830

436046104360461046106340634067006700670067007960

498052604980526052607240724076507650765076509090

593059305930816081608630863086308630

658065806580906090609580958095809580

72407240724099609960

10530105301053010530

23103360336033604880488048805800

2720374039503740395039505750575057506830

43604610436046104610

67006700670067007960

49805260498052605260

76507650765076509090

436046104360461046106340634067006700670067007960

498052604980526052607240724076507650765076509090

593059305930816081608630863086308630

635063506350906090609240924092409240

635063506350924092409240924092409240

33603360

4880

48805800

3950

3950

5750

57506830

436046104360461046106340634067006700670067007960

498052604980526052607240724076507650765076509090

582058205820816081608460846084608460

582058205820846084608460846084608460

582058205820846084608460846084608460

122162176162227230230267

176234234254254234325331331384

284284309309284

396402402396466

334334364364334

465472472465548

313313341341313435442435442442435512

367367401401367511519511519519511602

423461423587597587597597587

476519476661672661672672661

528576528734746734746746734

319385

417

434486

373

451

488

508569

432432522522432565588565588588565659

490490592592490641667641667667641747

548662548718746718746746718

605730605791823791823823791

657797657832876832876876832

196270270270393393393467

230316316316316316460460460546

366366366366366532532532532532532632

415415415415415604604604604604604717

465465465676676676676676676

512512512745745745745745745

559559559814814814814814814

6.4136.4536.4536.4536.4536.4536.4536.453

6.3316.3316.3716.3316.3716.3716.3716.3716.3716.371

6.2416.2506.2416.2506.2506.2416.2416.2506.2506.2506.2506.250

6.1516.1916.1516.1916.1916.1516.1516.1916.1916.1916.1916.191

6.0996.0996.0996.0596.0596.0996.0996.0996.099

6.0006.0006.0005.9695.9696.0006.0006.0006.000

5.9195.9195.9195.8795.8795.9195.9195.9195.919

Weight（lbs/ft）

Size（in）


W.T.（in）



758

858

H-40NT-55LHENT-55HENT-55LENT-80LHENT-80DENT-80HENT-80LENT-95HE


NT-55LHENT-55HENT-55LEL-80N-80NT-80LHENT-80DENT-80HENT-80LENT-95HE





24.0024.0024.0024.0024.0024.0024.0024.0024.00

26.4026.4026.4026.4026.4026.4026.4026.4026.4026.4026.4026.40

29.7029.7029.7029.7029.7029.7029.7029.7029.7029.70

33.7033.7033.7033.7033.7033.7033.7033.7033.70

39.0039.0039.0039.0039.0039.0039.0039.0039.00

24.0024.0024.0024.0024.0024.0024.0024.0024.0024.0024.00

28.0028.0028.0028.0028.0028.0028.0028.0028.00

0.3000.3000.3000.3000.3000.3000.3000.3000.300

0.3280.3280.3280.3280.3280.3280.3280.3280.3280.3280.3280.328

0.3750.3750.3750.3750.3750.3750.3750.3750.3750.375

0.4300.4300.4300.4300.4300.4300.4300.4300.430

0.5000.5000.5000.5000.5000.5000.5000.5000.500

0.2640.2640.2640.2640.2640.2640.2640.2640.2640.2640.264

0.3040.3040.3040.3040.3040.3040.3040.3040.304

203034703750232039202820392028203980

290040502900452029003400340048403400484034005130

4890563039104790479062604790626047907230

578067405100656065607650656076506560

685080406610882088209200882092008820

12301340189013401930134019601430196014301890

161027302850189029302160293021602880

275040004000400058205820582058206910

414043804140438043806020602063706370637063707560

5000500050006890689072807280728072808640

574057405740790079008350835083508350

667066706670918091809700970097009700

21402950311029503110311045304530453045305380

247035903590359052205220522052206190

275040004000400058205820582058206910

41404380414043804380

63706370637063707560

21402950311029503110311045304530453045305380

247035903590359052205220522052206190

414043804140438043806020602063706370637063707560

5000500050006890689072807280728072808640

574057405740790079008350835083508350

667066706670918091809700970097009700

4000400040005820

5820

6910

414043804140438043806020602063706370637063707560

5000500050006890689072807280728072808640

574057405740790079008350835083508350

667066706670918091809700970097009700

3110

3110

4530

4530

5380

35903590

5220

5220

6190

212282306282393399399393463

315315342342315

440446446440518

183244244263263244341346346341403

233311336311434440440434512

346346377377346482490482490490482568

407443407567575567575575567668

477519477664674664674674664

564614564786798786798798786

444533444583

605

679

483483581581483635659635659659635740

549660549721749721749749721841

625751625820852820852852820

720864720945981945981981945

439

523

579

600

676

503599

664

688

775

276380380380552552552552656

414414414414414602602602602602602714

470470470683683683683683683811

535535535778778778778778778

616616616895895895895895895

277381381381381381555555555555659

318437437437636636636636755

6.9006.9406.9406.940 6.9406.9406.940 6.9406.940

6.8446.8846.8446.8846.8846.8446.8446.8846.8846.8846.8846.884

6.7906.7906.7906.7506.7506.7906.7906.7906.7906.790

6.6806.6806.6806.6406.6406.6806.6806.6806.680

6.5406.5406.5406.5006.5006.5406.5406.5406.540

7.9727.9728.0127.9728.0128.0128.0128.0128.0128.0128.012

7.8927.9327.9327.9327.9327.9327.9327.9327.932

Weight（lbs/ft）

Size（in）


W.T.（in）







24 25

858

958






H-40NT-55LHENT-55HENT-55LENT-80LHENT-80DENT-80HENT-80CYHENT-80LENT-95HE


32.0032.0032.0032.0032.0032.0032.0032.0032.0032.00

36.0036.0036.0036.0036.0036.0036.0036.0036.0036.0036.0036.00

40.0040.0040.0040.0040.0040.0040.0040.0040.0040.00

44.0044.0044.0044.0044.0044.0044.0044.0044.00

49.0049.0049.0049.0049.0049.0049.0049.0049.00

32.3032.3032.3032.3032.3032.3032.3032.3032.3032.30

36.0036.0036.0036.0036.0036.0036.0036.0036.0036.0036.00

0.3520.3520.3520.3520.3520.3520.3520.3520.3520.352

0.4000.4000.4000.4000.4000.4000.4000.4000.4000.4000.4000.400

0.4500.4500.4500.4500.4500.4500.4500.4500.4500.450

0.5000.5000.5000.5000.5000.5000.5000.5000.500

0.5570.5570.5570.5570.5570.5570.5570.5570.557

0.3120.3120.3120.3120.3120.3120.3120.3120.3120.312

0.3520.3520.3520.3520.3520.3520.3520.3520.3520.3520.352

2530371025304060253042803050428030504420

345045303450515034504100410056404100564041006270

5270611044405530553068705530687055308210

597069705360695069507920695079206950

674079106440858085809050858090508580

1380221022701570231017002310236017002250

17202020297020203140202032402370324023703220

3930415039304150415060406040604060407170

446047204460472047206490649068606860686068608150

5310531053107300730077207720772077209170

590059005900812081208580858085808580

657065706570904090409560956095609560

2270330033003300480048004800480048005700

25603520372035203720372054105410541054106430

3930415039304150415060406040604060407170

44604720446047204720

68606860686068608150

2270330033003300480048004800480048005700

25603520372035203720372054105410541054106430

3930415039304150415060406040604060407170

446047204460472047206490649068606860686068608150

5310531053107300730077207720772077209170

590059005900812081208580858085808580

657065706570904090409560956095609560

33003300

4800

48004800

5700

3520372035203720372054105410541054106430

3930415039304150415060406040604060407170

446047204460472047206490649068606860686068608150

5310531053107300730077207720772077209170

590059005900812081208580858085808580

657065706570904090409560956095609560

33003300

4800

48004800

5700

3520372035203720372054105410541054106430

372372402402372521528528521614

434434468468434

606615615606715

254339365339475481481481475560

294394394423423394551559559551651

417417452452417583591591583687

486486526526486678688678688688678800

556603556776788776788788776916

626678626874887874887887874

704763704983997983997997983

390421

546

553553

644

453453489489453634643643634747

579579690690579764792792764892

654654780780654864895864895895864

1008

732872732966

1001966

10011001966

1127

808963808

106611051066110511051066

8941065894

118012221180122212221180

569672

755

781781

882

639639755755639848877877848991

503503503503503732732732732869

568568568568568827827827827827827982

636636636925925925925925925

1098

702702702

102110211021102110211021

776776776

112911291129112911291129

365502502502730730730730730867

410564564564564564820820820820974

7.7967.8757.7967.8757.8757.8757.8757.8757.8757.875

7.7007.7407.7007.7407.7407.7007.7007.7407.7407.7407.7407.740

7.6257.6257.6257.6007.6007.6257.6257.6257.6257.625

7.5407.5407.5407.5007.5007.5407.5407.5407.540

7.4267.4267.4267.3867.3867.4267.4267.4267.426

8.8458.8858.8858.8858.8858.8858.8858.8858.8858.885

8.7658.7658.8058.7658.8058.8058.8058.8058.8058.8058.805

Weight（lbs/ft）

Size（in）


W.T.（in）



958

10 34







40.0040.0040.0040.0040.0040.0040.0040.0040.0040.0040.0040.00

43.5043.5043.5043.5043.5043.5043.5043.5043.5043.50

47.0047.0047.0047.0047.0047.0047.0047.0047.0047.00

53.5053.5053.5053.5053.5053.5053.5053.5053.5053.50

32.7532.7532.7532.7532.7532.7532.7532.7532.75

40.5040.5040.5040.5040.5040.5040.5040.5040.5040.5040.50

0.3950.3950.3950.3950.3950.3950.3950.3950.3950.3950.3950.395

0.4350.4350.4350.4350.4350.4350.4350.4350.4350.435

0.4720.4720.4720.4720.4720.4720.4720.4720.4720.472

0.5450.5450.5450.5450.5450.5450.5450.5450.5450.545

0.2790.2790.2790.2790.2790.2790.2790.2790.279

0.3500.3500.3500.3500.3500.3500.3500.3500.3500.3500.350

257037402570411025703090309043503090435030904490

4360494032503810381053703810537038105860

4880561038904760476062304760623047607180

5810678051306620662077006620770066209510

84011801190870

1200870

1200870

1150

13901590223015902300159023401730234017302280

395041803950418041805750575060706070607060707210

4600460046006330633066906690669066907940

4990499049906870687072607260726072608620

5760576057607930793083808380838083809950

182026402640264038403840384038404560

22803130331031303310331048204820482048205720

39504180395041804180

60706070607060707210

182026402640264038403840384038404560

22803130331031303310331048204820482048205720

395041803950418041805750575060706070607060707210

4600460046006330633066906690669066907940

4990499049906870687072607260726072608460

5760576057607930793083808380838083808460

395041803950418041805750575060706070607060707210

4600460046006330633066906690669066907940

4990499049906870687072607260726072608620

5760576057607930793083808380838083809160

26402640

3840

3840

4560

3130331031303310331048204820482048205720

452452486486452

633642642633747

205275294275387392392387457

314420420450450420590597597590696

520520561561520727737727737737727858

582628582813825813825825813959

638689638893905893905905893

1053

748808748

1047106210471062106210471235

714714843843714947979947979979947

1106

783925783

1038107410381074107410381213

846999846

1122116111221161116111221311

9691145969

1285132912851329132912851502

562657

750

774

877

700700819819700934964964934

1093

630630630630630916916916916916916

1088

691691691

1005100510051005100510051193

746746746

1086108610861086108610861289

855855855

1244124412441244124412441477

367505505505734734734734872

457629629629629629915915915915

1086

8.6798.7508.6798.7508.7508.6798.6798.7508.7508.7508.7508.750

8.6398.6398.6398.5998.5998.6398.6398.6398.6398.639

8.5658.5658.5658.5258.5258.5658.5658.5658.5658.565

8.5008.5008.5008.4198.4198.5008.5008.5008.5008.500

10.03610.07610.07610.07610.07610.07610.07610.07610.076

9.8949.8949.9349.8949.9349.9349.9349.9349.9349.9349.934

Weight（lbs/ft）

Size（in）


W.T.（in）







26 27

10 34

11 34




NT-55LHENT-55HENT-55LENT-80LHENT-80DENT-80HENT-80LENT-95HE




45.5045.5045.5045.5045.5045.5045.5045.5045.5045.50

51.0051.0051.0051.0051.0051.0051.0051.0051.0051.0051.0051.00

55.5055.5055.5055.5055.5055.5055.5055.5055.5055.50

60.7060.7060.7060.7060.7060.7060.7060.70

42.0042.0042.0042.0042.0042.0042.0042.0042.00

47.0047.0047.0047.0047.0047.0047.0047.0047.0047.00

54.0054.0054.0054.0054.0054.0054.0054.0054.0054.00

0.4000.4000.4000.4000.4000.4000.4000.4000.4000.400

0.4500.4500.4500.4500.4500.4500.4500.4500.4500.4500.4500.450

0.4950.4950.4950.4950.4950.4950.4950.4950.4950.495

0.5450.5450.5450.5450.5450.5450.5450.545

0.3330.3330.3330.3330.3330.3330.3330.3330.333

0.3750.3750.3750.3750.3750.3750.3750.3750.3750.375

0.4350.4350.4350.4350.4350.4350.4350.4350.4350.435

2090309020903280209033902480339024803380

271038702710428027103220322045503220455032204750

4480509033904020402055604020556040206150

50905880416065805160658051607740

104015201540112015601130156011301500

1510212015102170151022101630221016302140

2070306020703240207033502450335024503330

3580379035803790379055105510551055106540

403042604030426042605860586062006200620062007360

4690469046906450645068106810681068108090

51605160516075007500750075008910

198028802880288041904190419041904980

3070325030703250325047204720472047205610

3560377035603770377054805480548054806510

3580379035803790379055105510551055106540

403042604030426042605860586062006200620062006880

4690469046906450645068106810681068106880

51605160516068806880688068806880

198028802880288041904190419041904980

3070325030703250325047204720472047205610

3560377035603770377054805480548054805820

3580379035803790379055105510551055106540

403042604030426042605860586062006200620062007360

4690469046906450645068106810681068107450

51605160516074507450745074507450

28802880

4190

4190

4980

3070325030703250325047204720472047205610

3560377035603770377054805480548054806300

493493528528493692701701692817

565565606606565794804794804804794937

630675630884895884895895884

1043

700751700983996996983

1161

307412440412580587587580685

477477509509477670678678670791

568568606606568798808808798943

796796931931796

10631097109710631243

891891

10431043891

1190122811901228122811901392

9761142976

1303134513031345134513031524

10701251107014281473147314281670

719834

966

994

1131

807807935935807

10841116111610841269

931931

10791079931

12501287128712501464

715715715715715

10401040104010401236

801801801801801

1165116511651165116511651383

877877877

1276127612761276127612761515

961961961

13981398139813981660

478657657657956956956956

1135

737737737737737

10721072107210721273

850850850850850

12371237123712371469

9.7949.8759.7949.8759.8759.8759.8759.8759.8759.875

9.6949.7349.6949.7349.7349.6949.6949.7349.7349.7349.7349.734

9.6259.6259.6259.6049.6049.6259.6259.6259.6259.625

9.5449.5449.5449.5449.5449.5449.5449.544

10.92811.00011.00011.00011.00011.00011.00011.00011.000

10.84410.88410.84410.88410.88410.88410.88410.88410.88410.884

10.72410.76410.72410.76410.76410.76410.76410.76410.76410.764

Weight（lbs/ft）

Size（in）


W.T.（in）



1338

11 34







60.0060.0060.0060.0060.0060.0060.0060.0060.0060.0060.0060.00

48.0048.0048.0048.0048.0048.0048.0048.0048.00

54.5054.5054.5054.5054.5054.5054.5054.5054.5054.50

61.0061.0061.0061.0061.0061.0061.0061.0061.0061.00

68.0068.0068.0068.0068.0068.0068.0068.0068.0068.0068.0068.00

72.0072.0072.0072.0072.0072.0072.0072.0072.0072.00

0.4890.4890.4890.4890.4890.4890.4890.4890.4890.4890.4890.489

0.3300.3300.3300.3300.3300.3300.3300.3300.330

0.3800.3800.3800.3800.3800.3800.3800.3800.3800.380

0.4300.4300.4300.4300.4300.4300.4300.4300.4300.430

0.4800.4800.4800.4800.4800.4800.4800.4800.4800.4800.4800.480

0.5140.5140.5140.5140.5140.5140.5140.5140.5140.514

267038402670423026703180318044903180449031804670

74010201030740

1040740

1040740

1000

1130153011301550113015701140157011401510

1540216015402220154022601670226016702190

195028501950299019502260226030802260308022603040

3310355022202670267037002670370026703720

401042304010423042305830583061606160616061607310

173025102510251036503650365036504340

2730289027302890289042004200420042004990

3090327030903270327047604760476047605650

345036503450365036505020502053105310531053106310

3910391039105380538056905690569056906750

401042304010423042305820582058205820582058205820

173025102510251036503650365036504340

2730289027302890289042004200420042004550

3090327030903270327045504550455045504550

345036503450365036504550455045504550455045504550

3910391039104550455045504550455045504550

401042304010423042305830583061606160616061606300

25102510

3650

3650

4340

2730289027302890289042004200420042004930

3090327030903270327047604760476047604930

345036503450365036504930493049304930493049304930

3910391039104930493049304930493049304930

649649693693649913924913924924913

1078

322433460433610617617610720

514514547547514725733733725856

595595633633595839849849839991

675675718718675952963952963963952

1125

730776730

1029104010291040104010291215

104210421208120810421399144013991440144013991638

793904

1075

1102

1260

909909

10381038909

12331265126512331446

1025102511701170102513891426142613891630

114011401300130011401545158515451585158515451812

1217138912171650169316501693169316501935

951951951951951

1384138413841384138413841643

541744744744

10821082108210821285

853853853853853

12411241124112411474

962962962962962

13991399139913991661

106910691069106910691556155615561556155615561847

1142114211421661166116611661166116611973

10.61610.62510.61610.62510.62510.61610.61610.62510.62510.62510.62510.625

12.55912.59912.59912.59912.59912.59912.59912.59912.599

12.45912.49912.45912.49912.49912.49912.49912.49912.49912.499

12.35912.39912.35912.39912.39912.39912.39912.39912.39912.399

12.25912.29912.25912.29912.29912.25912.25912.29912.29912.29912.29912.299

12.25012.25012.25012.19112.19112.25012.25012.25012.25012.250

Weight（lbs/ft）

Size（in）


W.T.（in）







28 29

20

1858

16

H-40NT-80DE

J-55K-55NT-80DE

J-55K-55NT-80DE

NT-80DE

H-40J-55K-55NT-80DE

NT-80DE

NT-80DE

NT-80DE

NT-80DE

NT-80DE

NT-80DE

NT-80DE

H-40J-55K-55NT-80DE

J-55K-55NT-80DE

NT-80DE

J-55K-55NT-80DE

65.0065.00

75.0075.0075.00

84.0084.0084.00

94.50

87.5087.5087.5087.50

94.50

96.50

106.00

109.35

112.00

115.00

122.00

94.0094.0094.0094.00

106.50106.50106.50

117.00

133.00133.00133.00

0.3750.375

0.4380.4380.438

0.4950.4950.495

0.562

0.4350.4350.4350.435

0.468

0.486

0.531

0.563

0.579

0.594

0.636

0.4380.4380.4380.438

0.5000.5000.500

0.563

0.6350.6350.635

630630

102010201020

141014101480

2140

630630630630

780

880

1150

1380

1500

1630

1980

520520520520

770770770

1110

150015001600

16403470

263026304050

298029804580

5200

1630225022503460

3720

3860

4220

4470

4600

4720

5050

1530211021103240

241024103700

4170

306030604700

16403230

263026303230

298029803230

3230

1630225022503150

3150

3150

3150

3150

3150

3150

3150

1530211021102410

241024102410

2410

241024102410

1530211021102410

241024102410

2410

241024102410

263026303560

298029803560

3560

225022503460

3500

3500

3500

3500

3500

3500

3500

211021102320

232023202320

2320

232023202320

439843

710752

1014

817865

1167

1346

559754794

1079

1174

1226

1356

1448

1494

1536

1656

581783823

1122

913959

1306

1494

119212521706

673907955

1297

105611131511

1728

137914531973

439843

710752

1014

817865

1167

1346

132914271888

2027

2103

2292

2426

2492

2555

2729

140214792004

159516832281

2560

201221232877

7361473

117811781713

132613261929

2181

994136713671989

2136

2216

2415

2556

2626

2692

2875

1077148014802153

168516852450

2750

212521253091

15.06215.062

14.93814.93814.938

14.82214.82214.822

14.689

17.56717.56717.56717.567

17.501

17.465

17.375

17.311

17.279

17.249

17.165

18.93618.93618.93618.936

18.81218.81218.812

18.686

18.54218.54218.542

Weight（lbs/ft）

Size（in）


W.T.（in）



The Pipe Mills of Nippon SteelNippon Steel’s Pipe Making Facilities and Product Size



24˝ HF-ERW

16˝ HF-ERW

4˝ HF-ERW +

4˝ HF-ERW (2 mills)

4˝ HF-ERW

2˝ HF-ERW (2 mills)

Continuous Butt Weld

Mannesmann-Plug Mill Stretch Reducer

Ugine-Sejournet Hot Extrusion

UO Process Longitudinal Weld

Spiral Weld (1 mills)

Spiral Weld (2 mills)

Bending Roll Process Longitudinal Weld (4 mills)

Tungsten Inert-Gas Weld

Thermatool

Thermatool or Induction

Induction

Induction

Induction

Induction

　

Hot Fin.

Cold Fin.

Hot Fin.

Cold Fin.

Hot Fin.

Cold Fin.

Hikari

Nagoya

Hikari

Nagoya

Kimitsu

Nagoya

Kimitsu

Tokyo

Hikari

Kimitsu

Yawata

Kimitsu

Subsidiary Company

Hikari

MillsSize: Outside Diameter（in）

Stretch Reducer

Location of Mills

CW

Seam-less

HF-ERW

SAW

TIG

1 2 4 6 8 10 12 14 16 20 56 200

8.625 24

0.413 1.681（Pipe In Coil）

1.492 4.500

0.750 4.500

0.850 2.559

0.840 4.500

1.315 6.625

0.236 6.000

1.660 6.625

0.236 5.500

0.236 2.248

1.050 2.375

18 56

16 64

16 100

16 200

4.500 16

Yawata Works

Muroran Works

Kamaishi Works

Head Office

Hirohata Works

Sakai WorksOita Works

Tokyo Works

Kimitsu Works

Nagoya Works

Hikari Works



T.U.F.-PIPE for OCTG.U.F.-PIPE for OCTG · T.U.F.-PIPE for OCTG.U.F.-PIPE for OCTG Tough materials,...

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