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America UNS W30840 奥氏体铬镍合金不锈钢合成焊接填充金属 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W30840 / W30840
Category Grade Standard Region/Area Standard Content
Metals W30840 -- America 奥氏体铬镍合金不锈钢合成焊接填充金属

Chemical composition(mass fraction)(wt.%) of the W30840

Element Min Max Similar
Si 0.6500 1.0000 -
S - 0.0300 -
P - 0.0300 -
Ni 9.0000 11.0000 -
Mo - 0.5000 -
Mn 1.0000 2.5000 -
Cu - 0.5000 -
Cr 19.5000 22.0000 -
C - 0.0800 -

Mechanical Properties of steel grade W30840

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)
726 (≥) 231 (≥) 44 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade W30840

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
12 - -     0.11 -  
712 172 - 43.3 314   -  
776 - 12 22.2   113 322

Heat Treatment of steel grade W30840

Heat treated : 1234°C - 1956°C

Technological Curves of steel grade W30840

Cross Reference Table (Equivalent Grade) of W30840

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