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Japan JIS SUS321 不锈钢棒 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SUS321 / SUS 321
Category Grade Standard Region/Area Standard Content
Metals SUS 321 JIS G4303 Japan 不锈钢棒

Chemical composition(mass fraction)(wt.%) of the SUS 321

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

Mechanical Properties of steel grade SUS 321

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)
651 (≥) 988 (≥) 42 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade SUS 321

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
24 - -     0.24 -  
968 332 - 21.3 434   -  
479 - 41 31.2   322 214

Heat Treatment of steel grade SUS 321

Heat treated : 1533°C - 1212°C

Technological Curves of steel grade SUS 321

Cross Reference Table (Equivalent Grade) of SUS 321

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