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America UNS S20400 奥氏体铬锰镍氮合金不锈钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S20400 / S20400
Category Grade Standard Region/Area Standard Content
Metals S20400 -- America 奥氏体铬锰镍氮合金不锈钢

Chemical composition(mass fraction)(wt.%) of the S20400

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 1.5000 3.0000 -
N 0.1500 0.3000 -
Mn 7.0000 9.0000 -
Cr 15.0000 17.0000 -
C - 0.0300 -

Mechanical Properties of steel grade S20400

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)
843 (≥) 986 (≥) 11 12 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade S20400

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
22 - -     0.34 -  
939 388 - 12.3 323   -  
233 - 42 23.2   214 412

Heat Treatment of steel grade S20400

Heat treated : 1493°C - 1736°C

Technological Curves of steel grade S20400

Cross Reference Table (Equivalent Grade) of S20400

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