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YB 302 Details

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302 Application:Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Category Type Grade Microstructure Designations
Grades Stainless Steels 302 Austenite USA - YB , A 240/A 240M (2012) - Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 313/A 313M (2010) - Stainless Steel Spring Wire
A 314 (2008) - Stainless Steel Billets and Bars for Forging
A 368 (2009) - Stainless Steel Wire Strand
A 473 (2009) - Stainless Steel Forgings
A 478 (2008) - Chromium-Nickel Stainless Steel Weaving and Knitting Wire
A 479/A 479M (2011) - Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 492 (2009) - Stainless Steel Rope Wire
A 493 (2009) - Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 511/A 511M (2012) - Seamless Stainless Steel Mechanical Tubing
A 554 (2011) - Welded Stainless Steel Mechanical Tubing
A 580/A 580M (2012) - Stainless Steel Wire
A 666 (2010) - Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
A 959 (2011) - Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
SAE AMS-QQ-S-763B (1998) - Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings Standard Withdrawn
SAE AMS-S-7720A (1997) - Steel, Corrosion-Resistant (18-8) Bars, Wire and Forging Stock (Aircraft Quality)
SAE J 405 (1998) - Chemical compositions of SAE wrought stainless steels
SAE J 467 (1968) - Special Purpose Alloys

Chemical composition(wt.%) of 302 grade: A 240/A 240M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 18.0 19.0
Ni 8.00 10.00
A 240/A 240M (2012) Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General  
Comment  Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel)  

Mechanical properties of grade 302 A 240/A 240M (2012)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
272 (≥) 776 (≥) 14 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade 302 A 240/A 240M (2012)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
991 (≥) 587 (≥) 11 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
351 915 457

302 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
T72301 AISI USA
Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures.
W2-A SAE USA
Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures.
301 YB USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 167 Type 301 SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 240 Type 301 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 554 MT 301 SAE USA
Welded Stainless Steel Mechanical Tubing
A 666 Type 301 SAE USA
Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
A 240 S30100 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 666 S30100 SAE USA
Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
S30100 AISI USA
Austenitic Chromium Nickel Stainless Steel
SA-240 S30100 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-666 S30100 AMS USA
Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
A 314 302 AMS USA
Stainless Steel Billets and Bars for Forging
302 YB USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
S30200 AISI USA
Austenitic Chromium Nickel Stainless Steel
EV3 UNS USA
Steel for exhaust valves
S63016 AISI USA
Steel for exhaust valves
EV4 UNS USA
Steel for exhaust valves
S63017 AISI USA
Steel for exhaust valves
EV5 UNS USA
Steel for exhaust valves

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