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40Cr3MoVA

China HB 40Cr3MoVA 航空结构钢热处理工艺 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40Cr3MoVA / 40Cr3MoVA
Category Grade Standard Region/Area Standard Content
Metals 40Cr3MoVA HB/Z 136 China 航空结构钢热处理工艺

Chemical composition(mass fraction)(wt.%) of the 40Cr3MoVA

Element Min Max Similar

Mechanical Properties of steel grade 40Cr3MoVA

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)
393 (≥) 311 (≥) 23 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 40Cr3MoVA

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
23 - -     0.41 -  
997 758 - 13.3 121   -  
273 - 31 31.2   121 212

Heat Treatment of steel grade 40Cr3MoVA

Heat treated : 1253°C - 1992°C

Technological Curves of steel grade 40Cr3MoVA

Cross Reference Table (Equivalent Grade) of 40Cr3MoVA

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