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SUS 302B Application:Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Category Type Grade Microstructure Designations
Grades Stainless Steels SUS 302B Austenite Japan - FED , G 4304 (2010) - Hot-rolled stainless steel plates, sheet and strip
G 4305 (2010) - Cold-rolled stainless steel plate, sheet and strip
G 4312 (2011) - Heat-resisting steel plate, sheet and strip

Chemical composition(wt.%) of SUS 302B grade: G 4304 (2010)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si 2.00 3.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 17.0 19.0
Ni 8.00 10.0
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Mechanical properties of grade SUS 302B G 4304 (2010)

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)
263 (≥) 382 (≥) 12 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical properties of grade SUS 302B G 4304 (2010)

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
285 (≥) 715 (≥) 23 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
357 182 844

SUS 302B - 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
302B YB USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 167 Type 302B SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 302B SAE USA
Stainless Steel Bars and Shapes
A 314 302B SAE USA
Stainless Steel Billets and Bars for Forging
A 473 302B SAE USA
Stainless Steel Forgings
A 580 Type 302B SAE USA
Stainless Steel Wire
A 959 Type 302B SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
SUS 302B FED Japan
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 167 S30215 SAE USA
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 S30215 SAE USA
Stainless Steel Bars and Shapes
A 314 S30215 SAE USA
Stainless Steel Billets and Bars for Forging
A 473 S30215 SAE USA
Stainless Steel Forgings
A 580 S30215 SAE USA
Stainless Steel Wire
S30215 AISI USA
Austenitic Chromium Nickel Stainless Steel
STS302B KS Korea
Hot rolled stainless steel plates, sheets and strip

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