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America UNS W30440 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: W30440 / W30440
Category Grade Standard Region/Area Standard Content
Metals W30440 -- 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 W30440

Element Min Max Similar
Ti - 0.0500 -
Si 0.3000 0.6000 -
S - 0.0300 -
P - 0.0300 -
Ni 9.0000 11.0000 -
Mo - 0.2500 -
Mn 1.0000 2.0000 -
Cu - 0.7500 -
Cr 18.5000 20.0000 -
Cb - 0.0500 -
C 0.0400 0.0800 -

Mechanical Properties of steel grade W30440

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)
452 (≥) 472 (≥) 41 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade W30440

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
24 - -     0.12 -  
294 861 - 14.3 243   -  
682 - 32 32.2   412 413

Heat Treatment of steel grade W30440

Heat treated : 1972°C - 1265°C

Technological Curves of steel grade W30440

Cross Reference Table (Equivalent Grade) of W30440

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