Family/Applications STAINLESS STEEL PRODUCTS • … · 2019-09-03 · SSINA Technical Training...
Transcript of Family/Applications STAINLESS STEEL PRODUCTS • … · 2019-09-03 · SSINA Technical Training...
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SSINA Technical Training 2019
• Basics • Manufacturing• Family/Applications
EDWARD J. BLOTED BLOT & ASSOCIATES, INC.12 High StreetBrunswick, Maine 04011
Off. (207)798-6805Cell (330) 268-9102Email: [email protected]
STAINLESS STEEL PRODUCTS TECHNICAL TRAINING SEMINARFOR IMPORT CLASSIFICATIONS
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SSINA Technical Training 2019
BASICS
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SSINA Technical Training 2019
ALLOY STEELS
STAINLESS STEELS IN THE ALLOY FAMILY
CO
RR
OSI
ON
RES
ISTA
NC
E
COST
CARBON STEELS
NICKEL BASE ALLOYS(ALSO CHAPTER 75)
STAINLESS STEELS
(HTS CHAPTER 72 IRON & STEEL)
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SSINA Technical Training 2019
WHAT MAKES STEEL (IRON & CARBON)
STAINLESS
EFFECT OF CHROMIUM ON ATMOSPHERIC
CORROSION RESISTANCE
% CHROMIUM10.5 %
STAINLESS STEEL RANGE (HTS 7218 – 7223)
CO
RR
OSI
ON
RAT
E M
ILS
PER
YEA
R(PREDOMINATELY IRON & CHROMIUM)
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SSINA Technical Training 2019
CORROSION PROTECTION
CHROMIUM OXIDE FILM
BASE METAL WITH 10.5% MIN. CHROME
THE CHROMIUM OXIDE FILM PREVENTS FURTHER DIFFUSION OF OXYGEN ON THE SURFACE, THUS PROTECTING IRON IN THE MATRIX FROM RUSTING.
STAINLESS STEEL
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SSINA Technical Training 2019
SULFUR MANGANESE ALUMINUM COPPER COLUMBIUM SILICON TITANIUM CALCIUM SELENIUM
ALLOYING ELEMENTSCHROMIUM CORROSION & SCALING RESISTANCE
CARBON (1.2% MAX) HARDNESS
NICKEL ACID CORROSION RESISTANCE, FORMABILITY, AND WELDABILITY
MOLYBDENUM PITTING CORROSION RESISTANCE AND STRENGTH
NITROGEN CREVICE CORROSION RESISTANCE AND STRENGTH
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SSINA Technical Training 2019
• Mechanical Properties
WHY STAINLESS • Corrosion Resistance
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SSINA Technical Training 2019
MECHANICAL PROPERTIES
YIELD STRENGTH
ULTIMATE TENSILE STRENGTH
% ELONGATION
REDUCTION OF AREA
HARDNESS BENDIMPACT
STRENGTH DUCTILITY
NOTE: AS STRENGTH INCREASES, DUCTILITY DECREASES
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TENSILE TESTING EQUIPMENT
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SSINA Technical Training 2019
• Corrosion Resistance
• Mechanical Properties
• Physical Properties
WHY STAINLESS
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SSINA Technical Training 2019
PHYSICAL PROPERTIES
include ..... MAGNETIC PERMEABILITYTHERMAL EXPANSION HEAT CONDUCTIVITYDENSITY
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SSINA Technical Training 2019
• Corrosion Resistance
• Mechanical Properties
• Physical Properties
• Appearance, Hygienic, and Recyclable
• Life Cycle Cost Benefit
WHY STAINLESS
• Ease of Fabrication
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SSINA Technical Training 2019
SERVICE LIFE / REPLACEMENT COST
STAINLESS STEEL
CARBON
STEEL
TOTA
L C
OST
LIFE CYCLE COST BENEFIT
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Semi-finished Stainless Sold To Specs with Only Chemistry and Capability on Mill Test Reports – No Mech Props
Generally >150mm Thick x 900mm Wide and Width > 4 x Thickness(7218.91.00.60)
SLABS
Ingots (Tapered Cast Blocks)(7218.10.00)
Generally 100mm -600 mm Squares, or Rounds (7218.99.00)
BILLETS
STAINLESS SEMI-FINISHEDHTS 7218
Generally Rectangles > 150mm Thickand Width < 4 x Thickness Cross Section > 232 cm2) =(7218.91.00.30)
BLOOMS
INGOTSINDUSTRY TERMINOLOGY HTS TERMINOLOGY
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SSINA Technical Training 2019
STAINLESS PLATEHTS 7219 & 7220 – FLAT ROLLED
• 4.75 mm Thick Nominal ,Equal/Greater than 254 mm Wide• Flat Plate Mill (Discrete), and Continuous Mill Plate Coil• Annealed or Heat Treated, and Pickled/Descaled• 600 mm and Wider - 7219, < 600 mm - 7220• Not Further Worked Than Hot Rolled, Cold Rolled, or Other• Smooth Flat Surface - Straight Square Edges• Mill Test Report (Chem & Mech Props)
NOTE: Items in italic font are in scope definition for orders, but not HTS
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SSINA Technical Training 2019
STAINLESS SHEET/STRIPHTS 7219 & 7220 – FLAT ROLLED
• Under 4.75 mm Thick• 600 mm and Wider (Sheet) - 7219• Greater Than 9.5 mm to 600 mm Wide (Strip) - 7220• Annealed or Heat Treated, and Pickled/Descaled • Not Further Worked Than Hot Rolled, Cold Rolled, or Other• Coil and Cut Length (Uncoiled)
• Mill Test Report (Chem & Mech Props)
NOTE: Items in italic font are in scope definition for orders, but not HTS
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SSINA Technical Training 2019
STAINLESS BAR/ANGLEHTS 7222
• Straight Lengths = Scope Definition - Bars & Rods = HTS Definition• Not Further Worked Than Hot Rolled or Cold Finished = Same Product• Rounds, Hexagons, Squares, Flats, Shapes - (7222.11, .19 .20 and .30)• Angles & Structural Shapes (7222.40) • Rebar - Scope Definition not in HTS (Logical 7222.11.00.57/59)• Specified Uniform Dimensional Tolerances• Mill Test Report (Chem and Mech Props)
NOTE: Items in italic font are in scope definition for orders, but not HTS
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• Irregularly Wound Hot Rolled Coils • Hot Rolled Annealed and/or Pickled/Descaled• Rounds or Shapes Generally 5.0mm – 32mm
STAINLESS ROD HTS 7221
• Mill Test Report (Chem and Mech Props)
NOTE: Items in italic font are in scope definition for orders, but not HTS
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SSINA Technical Training 2019
STAINLESS WIRE HTS 7223
• Tightly Wound Coils• Cold Drawn Or Cold Rolled from Rod• Rounds (7223.00.10)• Flats (7223.00.50)• Shapes (7223.00.90)• Specified Uniform Dimensional Tolerances• Mill Test Report (Chem and Mech Props)
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Specification AMS-5639, ASTM-A-479
WHAT’S IN A NAMEAISI Designation 304LUNS Number S30403Composition 18-8Trade Names Project 70 +Application Machining-Forging-
Redraw
Mill Test Report 19 CFR 141.89 with CBP CF 7501
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MANUFACTURING
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SSINA Technical Training 2019
HOT ROLLING
DISCRETE PLATES(7219.21, .22 & 7220.11)
+ANNEALPICKLE
ANNEAL PICKLE
COILED PLATES
CAST SLAB=Melt +
CASTINGAOD+
MAKING A STAINLESS PLATE4.75 mm Thick & Larger
(7219.11, .12 & 7220.11)
- HTS 7219 > 600mm- HTS 7220 < 600mm
(Not Further Worked Than Hot Rolled)
NOTE: AOD = ARGON OXYGEN DECARBORIZATION
STAINLESS SCRAP +
RAW MATERIALSADDED TO EAF
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SSINA Technical Training 2019
STAINLESS HOT ROLLED SHEET
Melt
CAST SLAB
=+CASTINGAOD
+
HOT ROLLING
+ANNEAL PICKLE
Less Than 4.75 mm Thick (HTS 7219.13, .14, .23, .24) Not Further Worked Than Hot Rolled
NOTE: AOD = ARGON OXYGEN DECARBORIZATION
STAINLESS SCRAP +
RAW MATERIALSADDED TO EAF
(Not Further Worked Than Hot Rolled)
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STAINLESS COLD ROLLED SHEET/STRIPLess Than 4.75 mm Thick (HTS 7219 & 7220)
Not Further Worked Than Cold Rolled or Other
=COLD ROLLING
ANNEAL PICKLE+HOT ROLLED SHEET
COLD ROLLED 2D SHEET
STRIP===
SLIT
CUT
POLISH
SENDZIMIR MILL
2B SHEET >600 MM WIDE (7219.32, .33, .34, .35, .90)
< 600 MM WIDE(7220.20, .90)
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SSINA Technical Training 2019
MAKING A STAINLESS BILLETHTS 7218.99.00
Melt =INGOT
++ ROLLED BILLET
+AOD
Melt =VARorESR
++REMELT
VAR OR ESR BILLET
+AOD NOTE: VAR = VACUUM ARC REMELT
ESR = ELECTROSLAG REMELT
Melt =+
CASTING
CAST BILLET
+AOD
ELECTRIC ARC FURNACE
STAINLESS SCRAP +
RAW MATERIALS
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SSINA Technical Training 2019
FORGEINGOT
FORGED ROUND BAR
+
ANNEAL+STRAIGHTEN
+
Generally 152.4 mm and Larger, Not Further WorkedThan Hot Worked (HTS 7222.11.00.82 & .84)
+MELT
HOT FORGED
=
AOD
+
NOTE: AOD = ARGON OXYGEN DECARBORIZATION
STAINLESS SCRAP +
RAW MATERIALSADDED TO EAF
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SSINA Technical Training 2019
HOT ROLL
STRAIGHTEN
ROLLED ROUND BARGenerally 18 mm – 152.4 mm Diameter (HTS 7222.11.00.57 & .59)
Not Further Worked Than Hot Rolled
BILLET/BLOOM
+ + ANNEAL
+ HOT ROLLED
=
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Forged
Annealed
Rolled
Annealed
+
RoughTurnedForgingQualitySmoothTurned
CGE
CenterlessGroundCG &Polish
125 RMSHot
FinishedTolerances100 RMS
50 RMS
50 ≤ 38mm 70 > 38mm
50 ≤ 38mm 70 > 38mm
32 RMS
ColdFinished
Tolerances
Peel
Rough Grind
As Turned
Burnish
Polish
CG
CG Belt
Draw
Cold Drawn RMS N/A
STAINLESS COLD FINISHED ROUNDSIndustry Standards > 18 mm HTS 7222.20.00.62, .64, .67, & .69 Not Further Worked Than Cold Formed/Finished
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SSINA Technical Training 2019
Peel+
Straighten& Cut
Belt Finish CGE 50 RMS
Billet +
Draw+
Rod Coil Rolling+ Anneal or
AnnealPickle
Straighten& Cut
ColdDrawn
CenterlessGround
RMS N/A
50 RMS
32 RMS
Burnish
CG & Polish
CG
Burnish & Polish Cold Drawn RMS N/A
COIL TO COLD FINISHED BARIndustry Standards < 18 mm
HTS 7222.20.00.41 & .43Not Further Worked Than Cold Formed/Finished
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STAINLESS FAMILY
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SSINA Technical Training 2019
Class 1 - MartensiticClass 2 - FerriticClass 3 - AusteniticClass 4 - PH (Precipitation Hardened)Class 5 - Duplex
STAINLESS STEEL CLASSES
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SSINA Technical Training 2019
CLASS 1 MARTENSITIC • Chromium With Carbon Generally > .08%• Heat Treatable For Hardness/Strength• Tempered to Improve Ductility• Minimum Corrosion Resistance• Magnetic• Part of 400 Series Grades
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SSINA Technical Training 2019
CLASS 1 MARTENSITIC
43116Cr 2Ni
CORROSIONRESISTANCE
422Ni Mo W V
HIGH TEMPERATURESTRENGTH &
TOUGHNESS
440C17Cr 1.0C
WEARRESISTANCE
420 13Cr .35C
HARDNESS/STRENGTH
420F.35 Sul
MACHINABILITY
416.3
5Sul
RIFLE BARREL QUALITY416R
.10-.20Sul
410S.08 Max C
41012Cr .15 Max C
TOUGHNESS
410Cb
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SSINA Technical Training 2019
MOST POPULAR ALLOYS CLASS 1 MARTENSITIC
CONTAINING < 15% CHROMIUM
AISI Grade UNS Number410416420420F
S41000S41600S42000S42020
CONTAINING > 15% CHROMIUM
AISI Grade UNS Number440C S44004
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SSINA Technical Training 2019
CLASS 2 FERRITIC• Chromium With Carbon < .06%• Not Hardenable Except By Cold Working• Improved Corrosion Resistance• Not Susceptible to Stress Corrosion Cracking• Magnetic• Remainder of 400 Series Grades
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SSINA Technical Training 2019
CLASS 2 FERRITIC
WELDABILITY
ECONOMICS
409Cb
43917Cr Ti
40911Cr Ti
43017Cr .05C
430F.35 Sul
MACHINABILITY
430 FR
1.25 SiSOLENOID QUALITY
44625 Cr
OXIDATIONRESISTANCE
444 2 Mo
CORROSIONRESISTANCE
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SSINA Technical Training 2019
MUFFLERFERRITIC STAINLESS GRADE 409
ASTM A 240
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SSINA Technical Training 2019
MOST POPULAR ALLOYS CLASS 2 FERRITIC
CONTAINING < 15% CHROMIUM
AISI Grade UNS Number409409Cb
S40900S40940
CONTAINING > 15% CHROMIUM
AISI Grade UNS Number430430F430FR434
S43000S43020 -S43400
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SSINA Technical Training 2019
CLASS 3 AUSTENITIC
• Chrome – Nickel - Manganese• Not Hardenable Except By Cold Working• Best Corrosion Resistance• Non Magnetic• Excellent Formability and Weldability• 200 & 300 Series Grades
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SSINA Technical Training 2019
CLASS 3 AUSTENITIC
HIGH LOW
304H
303.35Su
lMACHINABILITY
303Se
203
30418CR 8NI.08 Max C
30518Cr 11Ni
30117Cr 7Ni
WORK HARDENING302
201
302HQ
CHLORIDE CORROSION RESISTANCE
316L
317L
304L.03Max C
WELDING
321Ti 8xC
HI TEMP SERVICE
347
30925CR 12
NiSCALING
RESISTANCE
310
304N.15N
STRENGTH
XM19.30N
XM28.30N
316N.15N
31616Cr 10Ni 2Mo
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SSINA Technical Training 2019
SKYSCRAPER ROOF AUSTENITIC STAINLESS GRADE 304 ASTM A 240
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SSINA Technical Training 2019
PAVILIONAUSTENITIC STAINLESS GRADE 304
ASTM A 240
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SSINA Technical Training 2019
KITCHEN APPLIANCESAUSTENITIC STAINLESS GRADE 304 ASTM A 240
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SSINA Technical Training 2019
COOKING UTENSILSAUSTENITIC STAINLESS GRADE 304 ASTM A 240
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SSINA Technical Training 2019
WINEMAKING VESSELSAUSTENITIC STAINLESS GRADE 304 ASTM A 240
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SSINA Technical Training 2019
STAINLESS SOLAR COLLECTORS
Austenitic Grade 304 ASTM A 240 parabolic mirrors concentrate solar heat to drive a Stirling engine and generator to produce electricity
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SSINA Technical Training 2019
Maine, USA Private house clad in
304 ASTM A 240 – 18 gauge sheet with a brushed finish
1887
Tom Selleck home by an architect Chesapeake Bay, USA316 ASTM A 240 stainless steel is used for the roof and walls
CONSTRUCTION
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SSINA Technical Training 2019
KITCHEN SINKAUSTENITIC STAINLESS GRADE 301
ASTM A 240
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SSINA Technical Training 2019
SUBWAY & LIGHT RAIL CARSAUSTENITIC STAINLESS GRADE 201 ASTM A 240
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SSINA Technical Training 2019
STRUCTURE – BOTANICAL GARDENAUSTENITIC STAINLESS GRADE 304
ASTM A 276 & A 240
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SSINA Technical Training 2019
POULTRY PROCESSING AUSTENITIC STAINLESS GRADE 304L
ASTM A 276
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SSINA Technical Training 2019
1981 DELOREANAUSTENITIC STAINLES GRADE 304
ASTM A 240
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SSINA Technical Training 2019
1936 STAINLESS STEEL FORD AUSTENITIC STAINLESS GRADE 304
ASTM A 240
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SSINA Technical Training 2019
MEMORIAL STRUCTURE AUSTENITIC STAINLESS GRADE 304
ASTM A 240
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SSINA Technical Training 2019
MOST POPULAR ALLOYS CLASS 3 AUSTENITIC
AISI Grade UNS Number301302302HQ303304304L305308L321347
S30100S30200S30430S30300S30400S30403S30500S30803S32100S34700
CONTAINING > 8% - < 24% Nickel CONTAINING > 8% - < 24% Nickel & > 1 1/2% - < 5% Molybdenum
AISI Grade UNS Number316316LXM19
S31600S31603S20910
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SSINA Technical Training 2019
CLASS 4 PH GRADES•Combination of High Strength and Good Corrosion Resistance
•Precipitation Hardening•Easy Heat Treatment With No Distortion
•Tradenames
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SSINA Technical Training 2019
17-4PH (630)17Cr 4Ni 3Cu
MARTENSITE toMARTENSITE
HIGHER STRENGTH & TOUGHNESS
TRANSVERSE PROPERTIES
15-5PH15Cr 5Ni 3Cu
Custom45
0
PH13
8- Mo13Cr 8Ni 2Mo 1Al
Custom45
5
A-
28615Cr 25Ni 2Ti
HIGH TEMPPROPERTIES
AUSTENITE toAUSTENITE
17-PH (631)17Cr 7Ni 1Al
AUSTENITE to
MARTENSITE
FORMABILITY
PH 15-7Mo
Most grades are registered trade names NOTE: Elements in ITALICS form the precipitate when combined with Ni
CLASS 4 PH GRADES
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SSINA Technical Training 2019
GOLF CLUB IRONSPH STAINLESS GRADE 17-4 (630) ASTM A 564
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SSINA Technical Training 2019
MOST POPULAR ALLOYS CLASS 4 PH GRADES
CONTAINING > 1/2% - < 24% Nickel
AISI Grade UNS Number 630 (17-4 PH) (15-5 PH) 631 (17-7 PH)
S17400S15500S17700
CONTAINING > 24% Nickel & > 1/2% - < 5% Molybdenum
AISI Grade UNS Number(A-286) S66286
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SSINA Technical Training 2019
CLASS 5 DUPLEX ALLOYS •Chromium - Nickel - Moly•50% Austenite - 50% Ferrite•Excellent Stress Corrosion Cracking Resistance
•Annealed Strength > 300 Series•Good Fatigue Strength
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SSINA Technical Training 2019
CLASS 5 DUPLEX ALLOYS
OTHER SIGNIFICANT GRADES 2304 Ferralium 255 2507
(S32304) (S32550) (S32750)
2205(UNS S31803)22Cr 5Ni 3Mo
CONTAINING > 0.5% NICKEL & > 1/2% - < 5% MOLYBDENUM
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SSINA Technical Training 2019
DEEP WELL DRILLINGDUPLEX STAINLESS GRADE 2205
ASTM A 276
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SSINA Technical Training 2019
REBAR FOR BRIDGE DECKDUPLEX STAINLESS GRADE 2205
ASTM A 955
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SSINA Technical Training 2019
STAINLESS SUMMARY
• Mill Test Report Chemistry Only - Semi Finished HTS 7218 - Manufacturer + Country of Origin
• Predominately Iron with 10.5% Min. Chrome, 1.2% Max. Carbon• Trade Case Scope Definition not Same as HTS
• Mill Test Report Sheet/Strip, Plate, Bar, Rod/Wire - Required by 19 CFR 141.89 with Submission of CBP CF 7501 - Manufacturer + Country of Origin
• Production Process Similar to Carbon Steel
• Grade Name Has no Number Significance
• 8 & 10 Digit HTS Category Based Upon Chemistry (Chrome, Nickel & Moly Content), and whether Hot Rolled or Cold Rolled/Finished
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SSINA Technical Training 2019
CONTACTS
• www.ssina.com
• www.nidi.org• www.worldstainless.org• ED BLOT & ASSOCIATES, INC. [email protected]