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China GB 30CrNiMo 合金结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 30CrNiMo / 30CrNiMo
Category Grade Standard Region/Area Standard Content
Metals 30CrNiMo GB/T 3077 China 合金结构钢

Chemical composition(mass fraction)(wt.%) of the 30CrNiMo

Element Min Max Similar
Ni 0.6000 0.8000 -
Mo 0.2500 0.4500 -
Cr 0.7000 1.0000 -
Mn 0.7000 0.9000 -
Si 0.1700 0.3700 -
C 0.2800 0.3300 -

Mechanical Properties of steel grade 30CrNiMo

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)
615 (≥) 871 (≥) 32 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade 30CrNiMo

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
34 - -     0.14 -  
258 958 - 41.3 211   -  
883 - 21 13.2   134 421

Heat Treatment of steel grade 30CrNiMo

Heat treated : 1898°C - 1289°C

Technological Curves of steel grade 30CrNiMo

Cross Reference Table (Equivalent Grade) of 30CrNiMo

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