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20CrNiMoH

China GB 20CrNiMoH 保证淬透性结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20CrNiMoH / 20CrNiMoH
Category Grade Standard Region/Area Standard Content
Metals 20CrNiMoH GB/T 5216 China 保证淬透性结构钢

Chemical composition(mass fraction)(wt.%) of the 20CrNiMoH

Element Min Max Similar
Si 0.1700 0.3700 -
S - 0.0350 -
P - 0.0350 -
Ni 0.3500 0.7500 -
Mo 0.1500 0.2500 -
Mn 0.6000 0.9500 -
Cu - 0.3000 -
Cr 0.3500 0.6500 -
C 0.1700 0.2300 -

Mechanical Properties of steel grade 20CrNiMoH

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)
539 (≥) 141 (≥) 44 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 20CrNiMoH

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
21 - -     0.43 -  
174 827 - 43.3 433   -  
961 - 21 42.2   421 222

Heat Treatment of steel grade 20CrNiMoH

Heat treated : 1588°C - 1344°C

Technological Curves of steel grade 20CrNiMoH

Cross Reference Table (Equivalent Grade) of 20CrNiMoH

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