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China GB 20Cr1H 保证淬透性结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20Cr1H / 20Cr1H
Category Grade Standard Region/Area Standard Content
Metals 20Cr1H GB/T 5216 China 保证淬透性结构钢

Chemical composition(mass fraction)(wt.%) of the 20Cr1H

Element Min Max Similar

Mechanical Properties of steel grade 20Cr1H

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)
573 (≥) 775 (≥) 32 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade 20Cr1H

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
12 - -     0.22 -  
246 248 - 32.3 422   -  
686 - 14 13.2   331 233

Heat Treatment of steel grade 20Cr1H

Heat treated : 1937°C - 1277°C

Technological Curves of steel grade 20Cr1H

Cross Reference Table (Equivalent Grade) of 20Cr1H

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