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40CrMnSiMoVA

China GJB 40CrMnSiMoVA 航空用钢锻件规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40CrMnSiMoVA / 40CrMnSiMoVA
Category Grade Standard Region/Area Standard Content
Metals 40CrMnSiMoVA GJB 5040 China 航空用钢锻件规范

Chemical composition(mass fraction)(wt.%) of the 40CrMnSiMoVA

Element Min Max Similar

Mechanical Properties of steel grade 40CrMnSiMoVA

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)
656 (≥) 282 (≥) 32 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade 40CrMnSiMoVA

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
42 - -     0.21 -  
978 139 - 12.3 141   -  
787 - 13 43.2   241 141

Heat Treatment of steel grade 40CrMnSiMoVA

Heat treated : 1966°C - 1475°C

Technological Curves of steel grade 40CrMnSiMoVA

Cross Reference Table (Equivalent Grade) of 40CrMnSiMoVA

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