Prakash Steelage Ltd.
An ISO 9001-2008, ISO 14001-2004, OHSAS 18001-2007,
PED Certified, AD-2000-Merkblatt W O &
Government Recognised Export House
THE FUTURE IS
STAINLESS STEEL
Prakash Steelage Ltd.
European Countries, USA, UK, Canada, New Zealand,
East Africa, South-East Asia and Latin America.
Now the only way ahead is forward.
And this wouldn't have been possible without the support
of our employees, business partners, customers and
suppliers who are just like members of our family.
We have a simple vision: to be a name synonymous
with stainless steel. From a safety pin to automobiles,
we want to touch lives everywhere. Guided by our
creative approach, undying commitment, ability to adapt
to changing market scenarios and the skill to extract
opportunities rather than look for them, our vision
seems well within reach.
The future of stainless steel looks bright and we are
definitely adding to the shine.
The Future Is Stainless Steel. The Future Is Prakash Steelage
It's amazing to see how stainless steel has gained so
much of respect as a strong, durable metal over the years.
Among alternative materials, the versatility, durability and
aesthetic quality of stainless steel makes it a material of
choice for the new millennium. Utilized in practically every
industry all over the world, the metal outshines most
others. And we can say with certainty that years from now,
the world will still run on stainless steel.
With a strong vision of the future, Prakash C. Kanugo
founded Prakash Steelage Ltd.
An ISO 9001-2008, ISO 14001-2004, OHSAS 18001-2007
& PED certified company, Prakash Steelage Ltd.
manufactures, exports and sells Stainless Steel Welded
and Seamless Pipes, Tubes and U "Tubes". It's our
dedication, competitive prices, timely delivery schedules
and rapid progress in quality assurance and human
resource and development systems that has catapulted us
to where we are today.
Besides India, MNCs the world over are talking about the
excellent quality of our products. Till date we have
exported to a diverse set of industries including Oil & Gas,
Power, Pharmaceutical, Petrochemical, Sugar, Dairy,
Automobile, Desalination, etc. in more than 40 countries
including Australia, Brazil, Middle - East, South Africa, Pra
kash
Ste
ela
ge L
td.
Our main production equipment for the manufacture of
Seamless and Welded Pipes, Tubes and U "Tubes" are:
Hot mill for manufacturing seamless mother hollows
Large diameter Tube Mill for Oil and gas sector
State of the Art Large diameter EFW Pipe Facility
Online Welded Tube-mills with In-Line Bright Annealing,
polishing, eddy current testing and marking
Full & Half Ring Die Pilger Mills
U-Bending Machine
U-Bend Radius heating facility
Automated draw benches
Automated 5 rolls straightening machine
Off-line bright annealing furnace
LPG fired solution annealing furnace
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Excellence In Manufacturing
Product Range
Outer Diameter :
6.0 mm to 114.3 mm
Thickness :
0.5 mm to 6.0 mm
Specification :
ASTM A-249, ASTM A-268, ASTM A-269,
ASTM A-270, ASTM A-554, ASTM A-688,
ASTM A-778, ASTM A-789
Outer Diameter :
1/8" NB to 2 "NB
Thickness :
Up to Schedule 80S
Outer Diameter :
Above 2" NB to 8 "NB
Thickness :
Up to Schedule 40S
Specification :
ASTM A-312, ASTM A-554,
ASTM A-778, ASTM A-790
Outer Diameter :
125.0 mm to 610.0 mm
Thickness :
2.0 mm to 20.0 mm
S.S. WELDED TUBES
S.S. WELDED PIPES
S.S. EFW PIPES
Specification :
ASTM A-358, ASTM A-409,
ASTM A-778, ASTM A-928
Outer Diameter :
60.0 mm to 168.3 mm
Thickness :
4.0 mm to 20.0 mm
Outer Diameter :
6.0 mm to 114.3 mm
Thickness :
0.45 mm to 6.0 mm
Specification :
ASTM A-213, ASTM A-268, ASTM A-269,
ASTM A-270, ASTM A-789
Outer Diameter :
1/8" NB to 10 "NB
Thickness :
Available in all Schedule Sizes
Specification :
ASTM A-312, ASTM A-790
Outer Diameter :
12.5 mm to 50.8 mm
S.S. SEAMLESS MOTHER HOLLOWS
S.S. SEAMLESS TUBES
S.S. SEAMLESS PIPES
U-BEND TUBING
Prakash Steelage Ltd. Specializes in meeting specific requirements of customers and offer complete piping and tubing Solutions par excellence.
We also manufacture products as per ASME, DIN, API 5LC Monogram,
JIS, BS, NFA, Gost and other equivalent standards.
Thickness :
Up to 3.5 mm
Leg length :
15.0 meters
Center Line radius :
22.20 mm to 1220.0 mm
U-Tubes as per Customer's Drawing
Austenitic :
TP-304/L/LN/H, TP-310, TP-316/L/LN/H/Ti,
TP-317/L, TP-321/H, TP-347/H
Ferritic :
TP-405, TP-409, TP-410, TP-429,
TP-430/Ti, TP-439L/Ti
Duplex & Super Duplex :
UNS 31254, UNS31500, UNS31803,UNS32205,
UNS32304 UNS32750, UNS32760
API 5LC :
LC30-1812, LC30-2242, LC52-1200,
LC65-2205, LC65-2506
Random Length / Fixed Length
30 Meters in Developed Length
We can ship up to 22 Meters in Straight Length
S.S. GRADES
LENGTHS
Applications
We are on our way to being Stainless Steel - Pipe & Tube makers, the world looks up to. And the
only way to do so is by supplying premium products of the highest quality. We manufacture several
types of stainless steel welded and seamless tubular & piping products, which cater to a wide range
of industries and equipment all over the world.
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Boilers
Breweries
Chemicals & Fertilizers
Condensers
Coolers
Desalination
Digesters
Evaporators
Feedwater Heaters
Fin Tubes
Food & Dairies Industries
Heat Exchangers
Heating Elements
Instrumentations
Metallurgical Industries
Automobile Industries •
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Oil & Gas Industries
Ornamental & Furniture
Power Plants
Pharmaceuticals
Pulp & Paper Mills
Pumps & Valves
Refrigeration
Recuperators
Ship and Hydraulic
Fabrication
Sugar Industries
Space Applications
6
Quality That Outshines
Providing our customers with premium quality products has always been a driving force in our
company. The International quality products we manufacture go through exhaustive R&D and
rigorous inspection. Continuous standardized quality assurance, control and improvement
programs ensure the best possible product at competitive prices. Our products can be approved
and inspected by any of these internationally renowned inspection agencies like: EIL, Lloyds,
BVQI, BVIS, TUV, SGS, UHDE, TEIL, BUREAU VERITAS, LINDE, DAVY, JE, DNV, IBR, MOODY
etc. To ensure that our products are of the most premium quality, we have a sophisticated testing
facility to carry out various inspections and tests to ensure superior quality and sustainability.
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Mechanical Testing & Chemical Testing
In-House Spectrometer
In-House PMI (Positive Material Indentification) Tester for Mix-Up control and Traceability
Hydro Tester - For straight, U "Tubes" and Bigger Diameter Pipes
Micro-scope with Image Analyzer for Micro-structure Test and Analysis
Corrosion Testing
Chloride Contamination Testing
Bath Analysis Testing, Die Penetrant Test & Residual Stress Measurement
Air Under Water Testing
Universal Testing Machine
Digital Hardness Tester
IGC Test
Eddy Current Testing
Ultrasonic Testing
Ferrite Content Measurement
Radiography / Radioscopy
Surface Roughness Tester
Fibroscope (for checking inside surface of tubes 10mm OD and above)
So that even after years, the durability and resilience of our products shine through.
Quality & Testing Equipment Includes :
7
ANSI B36.19/B36.10 Stainless steel pipe dimension in mm & weight per kg
Formula-Pipe Weight Kg/Mtr. (OD-Thick) x Thick x 0.02466=kg per mtr.
NominalPipe Size
OutsideDiameter
Schedule5 S
Schedule10 S
Schedule40 S
Schedule80 S
Schedule160 S
ScheduleXXS
mm inch mm Wt mm Weight (KGM) Wt mm Weight (KGM) Wt mm Weight (KGM) Wt mm Weight (KGM) Wt mm Weight (KGM) Wt mm Weight (KGM)
6
8
10
15
20
25
32
40
50
65
80
90
100
125
150
200
250
300
350
400
450
500
550
600
750
1/8
1/4
3/8
1/2
3/4
1
1 1/4
1 1/2
2
2 1/2
3
3 1/2
4
5
6
8
10
12
14
16
18
20
22
24
30
10.30
13.70
17.10
21.30
26.70
33.40
42.20
48.30
60.30
73.00
88.90
101.60
114.30
141.30
168.30
219.10
273.10
323.90
355.60
406.40
457.00
508.00
559.00
610.00
762.00
-
-
-
1.65
1.65
1.65
1.65
1.65
1.65
2.11
2.11
2.11
2.11
2.77
2.77
2.77
3.40
3.96
3.96
4.19
4.19
4.78
4.78
5.54
6.35
-
-
-
0.80
1.03
1.30
1.65
1.91
2.40
3.69
4.51
5.18
5.84
9.47
11.32
14.79
22.63
31.25
34.36
41.56
46.81
59.25
65.24
82.47
118.31
1.24
1.65
1.65
2.11
2.11
2.77
2.77
2.77
2.77
3.05
3.05
3.05
3.05
3.40
3.40
3.76
4.19
4.57
4.78
4.78
4.78
5.54
5.54
6.35
7.92
0.28
0.49
0.63
1.00
1.28
2.09
2.70
3.11
3.93
5.26
6.45
7.40
8.36
11.57
13.84
19.96
27.78
36.00
41.30
47.29
53.26
68.61
75.53
94.45
147.36
0.37
0.63
0.84
1.27
1.69
2.50
3.39
4.05
5.44
8.63
11.29
13.57
16.07
21.77
28.26
42.55
60.31
73.88
2.41
3.02
3.20
3.73
3.91
4.55
4.85
5.08
5.54
7.01
7.62
8.08
8.56
9.53
10.97
12.70
12.70
12.70
0.47
0.80
1.10
1.62
2.20
3.24
4.47
5.41
7.48
11.41
15.27
18.63
22.32
30.97
42.56
64.64
96.01
132.08
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-
4.78
5.56
6.35
6.35
7.14
8.74
9.53
11.13
-
13.49
15.88
18.26
23.01
28.58
33.32
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1.95
2.90
4.24
5.61
7.25
11.11
14.92
21.35
-
33.54
49.11
67.56
111.27
172.33
238.76
1.73
2.24
2.31
2.77
2.87
3.38
3.56
3.68
3.91
5.16
5.49
5.74
6.02
6.55
7.11
8.18
9.27
9.53
7.47
7.82
9.09
9.70
10.15
11.07
14.02
15.24
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17.12
19.05
21.95
22.23
25.40
25.40
2.55
3.64
5.45
7.77
9.55
13.44
20.39
27.68
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41.03
57.43
79.22
107.92
155.15
186.97
8
Chemical Composition200 & 300 Series
AISI / ASTM
TP 201
TP 202
TP 301
TP 304
TP 304L
TP 304N
TP 304LN
TP 308
TP 309
TP 309S
TP 310
TP 310S
TP 316
TP 316L
TP 316N
TP 316LN
TP 316Ti
TP 317
TP 317L
TP 321
TP 347
UNS S31254
C MAX
0.15
0.15
0.15
0.08
0.035
0.080
0.035
0.08
0.20
0.08
0.25
0.080
0.080
0.035
0.080
0.035
0.080
0.080
0.035
0.080
0.080
0.02
Mn MAX
5.5-7.5
7.5-10.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
1.0
P MAX
0.060
0.060
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.045
0.03
S MAX
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.010
Si MAX
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.50
1.00
1.00
1.00
1.00
1.00
0.75
1.00
1.00
1.00
1.00
0.80
Mo
-
-
-
-
-
-
-
-
-
-
-
-
2-3
2-3
2-3
2-3
2-3
3-4
3-4
-
-
6.0 - 6.5
Other Elements
N-0.25 MAX
N-0.25 MAX
N-0.10 MAX
-
-
N - 0.10 - 0.16
N - 0.10 - 0.16
N - 0.10 - 0.16
N - 0.10 - 0.16
Ti - 5(C+N)- 0.70/N-0.10 MAX
Ti - 5(C+N)- 0.70
Nb - 10XC - 1.10
N 0.18 - 0.22 and Cu 0.5 - 1.0
16-18
17-19
16-18
18-20
18-20
18-20
18-20
19-21
22-24
22-24
24-26
24-26
16-18
16-18
16-18
16-18
16-18
18-20
18-20
17-19
17-20
19.5 - 20.5
Cr
3.5-5.5
4-6
6-8
8-11
8-12
8-11
8-11
10-12
12-15
12-15
19-22
.19-22
10-14
10-14
10-13
10-13
10-14
11-15
11-15
9-12
9-13
17.5 - 18.5
NiSteel No Equivalent to
DIN EN
1.4372
1.4373
1..4310
1.4301
1.4307
-
1.4311
-
-
1.4833
-
1.4845
1.4401
1.4404
-
1.4406
1.4571
-
1.4438
1.4541
1.4550
400 Series
AISI
TP 405
TP 409
TP 410
TP 429
TP 430
TP 430Ti
TP 439
C MAX
0.080
0.080
0.15
0.12
0.12
0.10
0.070
Mn MAX
1.00
1.00
1.00
1.00
1.00
1.00
1.00
P MAX
0.040
0.045
0.040
0.040
0.040
0.040
0.040
S MAX
0.030
0.030
0.030
0.030
0.030
0.030
0.030
Si MAX
1.00
1.00
1.00
1.00
1.00
1.00
1.00
Mo
-
-
-
-
-
-
-
Other Elements
AL - 0.10 - 0.30
Ti - 6 X C MIN 0.75 MAX
-
-
-
Ti - 5XC MIN; 0.75 MAX.
11.5 - 14.5
10.5 - 11.7
11.5 - 13.5
14 - 16
16 - 18
16 - 19.5
17 - 19
Cr
0.5
0.50
-
-
-
0.75
0.50
Ni MAXSteel No Equivalent to
DIN EN
-
1.4512
1.4006
-
1.4016
1.4510
- N - 0.04 MAX,
Ti - 0.20+4(C+N) MIN; 1.10 MAX
Duplex & Super Duplex Grades
UNS S31500
UNS S 31803
UNS S 32205
UNS S 32304
UNS S 32750
UNS S 32760
C MAX
0.030
0.030
0.030
0.030
0.030
0.050
Mn MAX
1.20 -2.00
2.00
2.00
2.50
1.20
1.00
P MAX
0.030
0.030
0.030
0.040
0.035
0.030
S MAX
0.030
0.020
0.020
0.040
0.020
0.010
Si MAX
1.40-2.00
1.00
1.00
1.00
0.80
1.00
Mo
2.5-30
2.5-3.5
3-3.5
0.05 -0.60
3 - 5
3 - 4
Other Elements
N - 0.05 - 0.1
N - 0.08 - 0.20
N - 0.14 - 0.20
N 0.05 - 0.20 Cu 0.05 0.60
N - 0.24 - 0.32;Cu - 0.5 Max
18 -19
21 - 23
22 - 23
21.5 -24.5
24 - 26
24 - 26
Cr
4.3 - 5.2
4.5 - 6.5
4.5 - 6.5
3.0 - 5.5
6 - 8
6 - 8
Ni
1.4417
1.4462
-
1.4362
1.4410
1.4501 N - 0.20 - 0.30;Cu - 0.5 - 1.0;
W - 0.5-1.0,
%Cr+3.3x%Mo+16x%N = 40 MIN
API Specification 5LC
LC30-1812
LC52-1200
LC65-2205
LC65-2506
LC30-2242
C MAX
0.030
0.080
0.030
0.030
0.050
Mn MAX
2.00
1.00
2.00
1.00
1.00
P MAX
0.040
0.040
0.030
0.030
0.030
S MAX
0.030
0.030
0.020
0.030
0.030
Si MAX
0.75
0.75
1.00
0.75
0.50
Mo
2.0 - 3.0
-
2.5 - 3.5
2.5 - 3.5
2.5 - 3.5
Other Elements
N 0.16 Max
N - 0.08 - 0.20
Cu - 1.5 - 3.0 , Ti - 0.6 -1.20
16 - 18
11.5 - 13.5
21 - 23
24 - 26
19.5 - 23.5
Cr
10 -15.0
0.5 max
4.5 - 6.5
5.5 - 7.5
38 - 46
NiUNS CATEGORY
S 31603
S 41008
S 31803
S 31260
N 08825
N - 0.1 - 0.3, Cu - 1.5 Max,
W - 0.50 MAX
9
Physical Properties
Grade Tensile Str. KSI(MPA)
Yeild Str. KSI(Mpa)
Elongation in 2 inches
% min Brinnel (HBW)
Rockwell(HRB)
Max. Hardness Thermal Conductivity
Col/sec.cm ºc At Temp Range
20-500 ºc
Co-efficient of Expantion
X 101 Cm/cm/c At Temp. Range
20-870 ºc
TP 301
TP 304
TP 304L
TP 304N
TP 304LN
TP 309
TP 310
TP 316
TP 316L
TP 316Ti
TP 316N
TP 316LN
TP 317L
TP 321
347
405
410
429
430
430Ti
439
UNSS31803
UNS S 32205
UNS S32750
UNS S32760
(75) 515
(75) 515
(70) 485
(80) 550
(75) 515
(75) 515
(75) 515
(75) 515
(70) 485
(75) 515
(80) 550
(75) 515
(75) 515
(75) 515
(75) 515
(60) 415
(60) 415
(60) 415
(60) 415
(60) 415
(60) 415
(90) 620
(95) 655
(116) 800
(109) 750
(30) 205
(30) 205
(25) 170
(35) 240
(30) 205
(30) 205
(30) 205
(30) 205
(25) 170
(30) 205
(35) 240
(30) 205
(30) 205
(30) 205
(30) 205
(30) 205
(30) 205
(35) 240
(35) 240
(35) 240
(30) 205
(65) 450
(70) 485
(80) 550
(80) 550
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
20
20
20
20
20
20
25
25
15
25
192
192
192
192
192
192
192
192
192
192
192
192
192
192
192
207
207
190
190
190
190
290
290
300
300
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
95
95
90
90
90
90
30 HRC
30 HRC
32 HRC
0.051
0.051
0.051
0.051
0.051
0.045
0.044
0.042
0.042
0.042
0.038
0.042
0.049
0.051
0.053
0.064
0.059
0.061
0.062
0.062
0.057
0.041
0.041
0.040
0.035
19.8
19.9
19.8
19.9
19.8
19.9
18.8
19.3
19.3
19.3
19.3
19.3
17.5
19.8
19.9
10.8
9.9
10.3
10.5
10.5
11.5
16.9
16.9
14.2
13.8
API Specification 5LC
Grade Tensile Strength, Min. PSI(MPA)
Yeild Strength,Min. PSI(MPA)
Elongation Minpercent in 2''
UNS No.
LC30-1812
LC52-1200
LC65-2205
LC65-2506
LC30-2242
70,000 (482)
66,000 (455)
90,000 (621)
95,000 (656)
80,000 (551)
30,000 (207)
52,000 (358)
65,000 (448)
65,000 (448)
30,000 (207)
25
20
25
25
30
Brinnel (HBW) Rockwell (HRc)
Max. Hardness
-
22
-
-
-
S31603 or S31653
S41008
S 31803
S31260
N08825
10
ASTM Specifications - S. S. Tube & Pipes
Specification Allowable Outside DiameterVariation in mm
Allowable Wall Variation in %
Thickness Exact Length Toterance
Testing
Nominal DiameterASTM A 213
Under 25 mm.
25 To 40 mm Incl.
40 To 50 mm Excl.
50 To 65 mm Excl.
65 To 75 mm Excl.
75 To 100 mm Incl.
100 To 200 mm Incl.
200 To 225 mm Incl.
Over mm Under mm
Seamless Boiler
Super Heater
And Heat
Exchanger Tubes
0.1
0.15
0.2
0.25
0.3
0.38
0.38
0.38
0.11
0.15
0.2
0.25
0.3
0.38
0.64
1.14
% Over % Under
Under 38.1 mm OD --- +20% / - 0
Over 38.1 mm OD --- +22% / - 0
Over Under
Under 50.8 mm
OD --- 3 mm
Over 50.8 mm
OD --- 5 mm
Tension Test
Flattening Test
Flaring Test
Hardness Test
100% Hydrostatic
Test Refered
Astm A 1016
Out Side DiameterASTM A 249
Under 25 mm.
25 To 40 mm Incl.
40 To 50 mm Excl.
50 To 65 mm Excl.
65 To 75 mm Excl.
75 To 100 mm Incl.
100 To 200 mm Incl.
200 To 225 mm Incl.
Welded Super
Heater And
Heat Exchanger And
Condenser Tube
0.1
0.15
0.2
0.25
0.3
0.38
0.38
0.38
0.11
0.15
0.2
0.25
0.3
0.38
0.64
1.14
Thickness %
Under 50.8 mm
OD --- 3 mm
Over 50.8 mm
OD --- 5 mm
Tension Test
Flattening Test
Flange Test
Reverse Bend Test
Hardness Test
100% Hydrostatic
Test Refered
Astm A 1016
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
Over Under
Length
Out Side DiameterASTM A 268
Up To 12.7 mm Excl
12.7 To 38.1 mm Excl
38.1 To 88.9 mm Excl
88.9 To 139.7 mm Excl
139.7 To 203.2 mm Excl
Seamless Welded
Ferritic & Martensitic
Stainless Steeltubing
For General Service
0.13
0.13
0.25
0.38
0.76
0.13
0.13
0.25
0.38
0.76
Thickness %
Tension Test
Flaring Test (Seamless)
Flange Test (Welded)
Hardness Test
15
10
10
10
10
15
10
10
10
10
3
3
5
5
5
Length mm
0
0
0
0
0
Up To 12.7 mm
12.7 To 38.1 mm Incl.
38.1 To 76.2 mm Excl.
76.2 To 139.7 mm Excl.
139.7 To 203.2 mm Excl.
203.2 To 304.8 mm Incl.
304.8 To 355.6 mm Incl.
Seamless & Welded
Tubing For
General Services
0.13
0.13
0.25
0.38
0.76
1.01
1.26
0.13
0.13
0.25
0.38
0.76
1.01
1.26
Tension Test
Flaring Test
Flange Test (Welded)
Reverse Flattening
Test(welded)
Hardness Test
100% Hydrostatic
Test Refered
Astm A 1016
15
10
10
10
10
10
10
15
10
10
10
10
10
10
3.2
3.2
4.8
4.8
4.8
4.8
4.8
0
0
0
0
0
0
0
Out Side DiameterASTM A 269 Thickness % Length mm
Reverse Flattening
Test (Welded) 100%
Hydrostatic Test Refered
Astm A 1016
11
ASTM Specifications - S. S. Tube & Pipes
Specification Allowable Outside DiameterVariation in mm
Allowable Wall Variation in %
Thickness Exact Length Toterance
Testing
Out Side DiameterASTM A 312
1/8'' NB TO 1.5'' NB Incl.
1.5'' NB TO 4'' NB Incl.
4'' NB TO 8'' NB Incl.
8'' NB TO 18'' NB Incl.
18'' NB TO 26'' NB Incl.
26'' NB TO 34'' NB Incl.
34'' NB TO 48'' NB Incl.
Seamless,
Welded &
Heavily Cold
Worked
Austenitic
Stainless Steel
Pipes
0.4
0.8
1.6
2.4
3.2
4
4.8
Thickness %
For Random
Lengths - 15 ft
To 24 ft And
For Fix Length
-0 /+6 Mm
Tension Test
Flattening Test
20
22.5
15
17.5
22.5
15
12.5
12.5
12.5
12.5
12.5
12.5
Length mm Tests
% Over % UnderOver mm Under mmNps Designator
0.8
0.8
0.8
0.8
0.8
0.8
0.8
100% Hydrostatic
Test Referedastm A 999
Out Side DiameterASTM A 358
219.08 - 750 mmWelded Pipes
Class 1To Class 50.5%
Thickness mm
Hydro Test Refers
To Astm A 999
-0.3 MM
Length mm Tests
Over UnderOver % Under %Nps Designator
- -
1/8'' NB To 2.5'' NB
Incl. All t/D Ratio
3'' NB To 18'' NB Incl.
t/D Upto 5% Incl.
3'' NB To 18'' NB Incl.
t/D >5%
20 And Larger,
Welded All t/D Ratio
20 And Larger,
Seamless t/D Upto 5%
20 And Larger,
Seamless T/D >5%
Nominal DiameterASTM A 789
Up To 12.7 mm Excl
12.7 To 38.1 mm Excl
38.1 To 88.9 mm Excl
88.9 To 139.7 mm Excl
139.7 To 203.2 mm Excl
Over mm Under mm
Seamless & Welded
Ferritic/ Austenitic
Stainless Steeltubing
For General Service
0.13
0.13
0.25
0.38
0.76
0.13
0.13
0.25
0.38
0.76
% Over % Under Over Under
Flaring Test (seamless)
Flange Test ( Welded)
Hardness Test
Reverse Flattening
Test(welded)
100% Hydrostatic Test
Refered Astm A 1016
15
10
10
10
10
15
10
10
10
10
3
3
5
5
5
0
0
0
0
0
Out Side DiameterASTM A 270
Under 25.4 mm.
25.4 To 50.8 mm Incl.
50.8 To 76.2 mm Excl.
76.2 To 101.6 mm Excl.
101.6 To 139.7 mm Excl.
139.7 To 203.2 mm Incl.
203.2 To 304.8 mm Incl.
Seamless & Welded
Sanitary Tubing
0.13
0.2
0.25
0.38
0.38
0.76
1.27
0.13
0.2
0.25
0.38
0.38
0.76
1.27
Thickness %
Reverse Flattening
Test(welded)
100% Hydrostatic
Test Refered
Astm A 1016
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
Length
3.2
3.2
3.2
3.2
4.8
4.8
4.8
0
0
0
0
0
0
0
12
ASTM Specifications - S. S. Tube & Pipes
Specification Allowable Outside DiameterVariation in mm
Allowable Wall Variation in %
Thickness Exact Length Toterance
Testing
Out Side DiameterASTM A 790
1/8'' NB TO 1.5'' NB Incl.
1.5'' NB TO 4'' NB Incl.
4'' NB TO 8'' NB Incl.
8'' NB TO 18'' NB Incl.
18'' NB TO 26'' NB Incl.
26'' NB TO 34'' NB Incl.
34'' NB TO 48'' NB Incl.
Seamless & Welded
Ferritic/ Austenitic
Stainless Steel Pipe
0.4
0.8
1.6
2.4
3.2
4
4.8
Thickness %
For Random
Lengths - 15 ft
To 24 ft And
For Fix Length
-0 /+6 Mm
Tension Test
Flattening Test
Hardness Test
100% Hydrostatic
Test Refered
Astm A 999
20
22.5
15
17.5
22.5
15
12.5
12.5
12.5
12.5
12.5
12.5
Length mm Tests
% Over % UnderOver mm Under mmNps Designator
0.8
0.8
0.8
0.8
0.8
0.8
0.8
1/8'' NB To 2.5'' NB
Incl. All t/D Ratio
3'' NB To 18'' NB Incl.
t/D Upto 5% Incl.
3'' NB To 18'' NB Incl.
t/D >5%
20 And Larger,
Welded All t/D Ratio
20 And Larger,
Seamless t/D Upto 5%
20 And Larger,
Seamless T/D >5%
API Specification 5LC
Outside Diameter
Pipe Body
1.900 In. And Smaller
2 3/8 In. Through 18 In.
20 In. Through 36 In.
Larger Than 36 In.
+0.016 in. (0.41 mm)
-0.031 in. (0.79 mm)
± 0.75 %
± 1.00 %
± 1.00 %
Wall Thickness
Size (OD in.) and Process
2.875 and smaller,
seamless and welded
3.50 seamless &
welded
4.00 through 18,
seamless and welded
20 and larger,
welded
20 and larger,
seamless
+ 15.0
- 12.5
+ 15.0
- 12.5
+ 15.0
- 12.5
+ 19.5
- 8.0
+ 17.5
- 10.0
Tolerance, percent All grades
13
InspectionU-Bending
by Cold ProcessStress Relieving at Bend Portion
Seamless/ Welded Straight Tubes
Passivation Pickling Deburring Cutting
Testing Inspection Marking Packing Dispatch
U-Tubes
Large Diameter Welded Pipes
Coil Cut to Length Plate Edge Crimping Forming
Tack WeldingGaugingDegreasing & PicklingInside Welding
Outside Welding Gauging X-Ray Testing Straightening
Heat TreatmentGauging/StraighteningPicklingBevelling
Hydro Testing Marking / Weighing Packing Dispatch
Seamless Pipes, Tubes
Raw material Cutting Billet Machining and Centering Inspection Heating
Hot Process of Hollow MakingStraightening & CuttingDegreasing & PicklingInspection
Pilgering Heat Treatment Straightening & Cutting Chemical Coating
Cold DrawingHeat TreatmentStraighteningPickling
Testing Bevelling Inspection Marking Packing
Welded Pipes and Tubes
Coil Inspection Slitting Forming, Welding & Sizing
Heat TreatmentPicklingChemical Coating
Cold Drawing Heat treatment Straightening Passivation
BevellingInspectionMarkingPackingDispatch
Cut to length
Testing
Manufacturing Process Flow Charts
Dispatch
If Heat Treatment is in Bright Annealed Condition then Pickling is not to be considered
Straightening
Pickling
14
State-of-the-art Manufacturing Facility
Prakash steelage Ltd.
15
Corporate Office :
701, Mahalaxmi Chambers, Near Mahalaxmi Temple, Dr. Bhulabhai Desai Road, Mumbai - 400 026.
Ph. : +91-22 - 6613 4500 • Fax : +91-22 - 2352 6576
Manufacturers & Exporters of Austenitic, Martensitic, Ferritic, Duplex & Super Duplex, Welded & Seamless Pipes, Tubes & U "Tubes"
Production Units :
Unit 1 :
Unit 2 :
Survey No. 46/1, Village Kherdi, U.T. of Dadra & Nagar Haveli, Silvassa (India).
Plot No. 131/1, Umbergaon Sanjan Road, Umbergaon - 396171. Dist. Valsad - Gujarat (India).
Prakash steelage Ltd.An ISO 9001-2008, ISO 14001-2004, OHSAS 18001-2007, PED Certified, AD-2000-Merkblatt W O & Government Recognised Export House
Domestic Sales :
International Sales :
www.prakashsteelage.com
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