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America UNS W30820 奥氏体铬镍钼合金不锈钢电弧焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W30820 / W30820
Category Grade Standard Region/Area Standard Content
Metals W30820 -- America 奥氏体铬镍钼合金不锈钢电弧焊条

Chemical composition(mass fraction)(wt.%) of the W30820

Element Min Max Similar
Si - 0.9000 -
S - 0.0300 -
P - 0.0400 -
Ni 9.0000 12.0000 -
Mo 2.0000 3.0000 -
Mn 0.5000 2.5000 -
Cu - 0.7500 -
Cr 18.0000 21.0000 -
C - 0.0800 -

Mechanical Properties of steel grade W30820

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)
631 (≥) 447 (≥) 33 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade W30820

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 - -     0.42 -  
646 189 - 43.3 424   -  
738 - 44 24.2   233 122

Heat Treatment of steel grade W30820

Heat treated : 1265°C - 1282°C

Technological Curves of steel grade W30820

Cross Reference Table (Equivalent Grade) of W30820

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