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SUS F 321

Japan JIS SUSF321 压力容器用不锈钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SUSF321 / SUS F 321
Category Grade Standard Region/Area Standard Content
Metals SUS F 321 JIS G3214 Japan 压力容器用不锈钢锻件

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

Element Min Max Similar
Ti - 0.6000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 9.0000 12.0000 -
Mn - 2.0000 -
Cr 17.0000 - -
C - 0.0800 -

Mechanical Properties of steel grade SUS F 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)
591 (≥) 225 (≥) 31 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade SUS F 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
31 - -     0.33 -  
428 387 - 14.3 242   -  
765 - 44 13.2   143 434

Heat Treatment of steel grade SUS F 321

Heat treated : 1224°C - 1156°C

Technological Curves of steel grade SUS F 321

Cross Reference Table (Equivalent Grade) of SUS F 321

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