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America UNS G40320 钼合金钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G40320 / G40320
Category Grade Standard Region/Area Standard Content
Metals G40320 -- America 钼合金钢

Chemical composition(mass fraction)(wt.%) of the G40320

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
P - 0.0350 -
Mo 0.2000 0.3000 -
Mn 0.7000 0.9000 -
C 0.3000 0.3500 -

Mechanical Properties of steel grade G40320

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)
234 (≥) 729 (≥) 32 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade G40320

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
33 - -     0.34 -  
626 129 - 32.3 421   -  
923 - 21 24.2   323 212

Heat Treatment of steel grade G40320

Heat treated : 1487°C - 1231°C

Technological Curves of steel grade G40320

Cross Reference Table (Equivalent Grade) of G40320

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