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40Cr3MoVA

China GJB 40Cr3MoVA 航空用高纯洁度合金结构钢棒规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40Cr3MoVA / 40Cr3MoVA
Category Grade Standard Region/Area Standard Content
Metals 40Cr3MoVA GJB 6487 China 航空用高纯洁度合金结构钢棒规范

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

Element Min Max Similar
Sn - 0.0300 -
Cu - 0.2000 -
V 0.1500 0.2500 -
Mo 0.8000 1.1000 -
Ni - 0.3000 -
Cr 3.0000 3.5000 -
S - 0.0150 -
P - 0.0200 -
Mn 0.4500 0.7000 -
Si 0.1000 0.3500 -
C 0.3500 0.4300 -

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)
429 (≥) 165 (≥) 14 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

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
13 - -     0.33 -  
885 133 - 31.3 111   -  
994 - 33 11.2   334 334

Heat Treatment of steel grade 40Cr3MoVA

Heat treated : 1563°C - 1782°C

Technological Curves of steel grade 40Cr3MoVA

Cross Reference Table (Equivalent Grade) of 40Cr3MoVA

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