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G20CrNiMo

China GB G20CrNiMo 渗碳轴承钢技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G20CrNiMo / G20CrNiMo
Category Grade Standard Region/Area Standard Content
Metals G20CrNiMo GB 3203 China 渗碳轴承钢技术条件

Chemical composition(mass fraction)(wt.%) of the G20CrNiMo

Element Min Max Similar

Mechanical Properties of steel grade G20CrNiMo

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)
671 (≥) 795 (≥) 41 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade G20CrNiMo

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
22 - -     0.23 -  
635 659 - 41.3 434   -  
259 - 42 22.2   334 312

Heat Treatment of steel grade G20CrNiMo

Heat treated : 1325°C - 1795°C

Technological Curves of steel grade G20CrNiMo

Cross Reference Table (Equivalent Grade) of G20CrNiMo

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