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America UNS S21800 奥氏体铬镍锰合金不锈钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S21800 / S21800
Category Grade Standard Region/Area Standard Content
Metals S21800 -- America 奥氏体铬镍锰合金不锈钢

Chemical composition(mass fraction)(wt.%) of the S21800

Element Min Max Similar
Si 3.5000 4.5000 -
S - 0.0300 -
P - 0.0400 -
Ni 8.0000 9.0000 -
N 0.0800 0.1800 -
Mn 7.0000 9.0000 -
Cr 16.0000 18.0000 -
C - 0.1000 -

Mechanical Properties of steel grade S21800

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)
722 (≥) 993 (≥) 34 11 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade S21800

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
42 - -     0.23 -  
186 852 - 22.3 413   -  
669 - 34 31.2   331 422

Heat Treatment of steel grade S21800

Heat treated : 1321°C - 1528°C

Technological Curves of steel grade S21800

Cross Reference Table (Equivalent Grade) of S21800

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