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SUS321

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China 宝钢Q/BQB SUS321 热连轧不锈钢钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SUS321 / SUS321
Category Grade Standard Region/Area Standard Content
Metals SUS321 Q/BQB 4302 China 热连轧不锈钢钢板及钢带

Chemical composition(mass fraction)(wt.%) of the SUS321

Element Min Max Similar
C - 0.0800 -
Ti - - -
Cr 17.0000 19.0000 -
Ni 9.0000 13.0000 -
S - 0.0300 -
P - 0.0450 -
Mn - 2.0000 -
Si - 1.0000 -
Ti 0.4000 - -
Cr 17.0000 19.0000 -
Ni 9.0000 13.0000 -
S - 0.0300 -
P - 0.0450 -
Mn - 2.0000 -
Si - 1.0000 -
C - 0.0800 -

Mechanical Properties of steel grade SUS321

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
572 (≥) 877 (≥) 34 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade SUS321

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
23 - -     0.42 -  
482 298 - 14.3 333   -  
694 - 32 42.2   312 323

Heat Treatment of steel grade SUS321

Heat treated : 1496°C - 1692°C

Technological Curves of steel grade SUS321

Cross Reference Table (Equivalent Grade) of SUS321

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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