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America UNS S31803 双相(奥氏体-铁素体)铬镍钼氮合金不锈钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S31803 / S31803
Category Grade Standard Region/Area Standard Content
Metals S31803 -- America 双相(奥氏体-铁素体)铬镍钼氮合金不锈钢

Chemical composition(mass fraction)(wt.%) of the S31803

Element Min Max Similar

Mechanical Properties of steel grade S31803

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)
618 (≥) 431 (≥) 11 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade S31803

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 - -     0.13 -  
673 219 - 22.3 411   -  
436 - 23 14.2   241 424

Heat Treatment of steel grade S31803

Heat treated : 1368°C - 1826°C

Technological Curves of steel grade S31803

Cross Reference Table (Equivalent Grade) of S31803

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