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China JB ZG20SiMn 合金铸钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZG20SiMn / ZG20SiMn
Category Grade Standard Region/Area Standard Content
Metals ZG20SiMn JB/ZQ 4297 China 合金铸钢

Chemical composition(mass fraction)(wt.%) of the ZG20SiMn

Element Min Max Similar

Mechanical Properties of steel grade ZG20SiMn

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)
989 (≥) 619 (≥) 22 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade ZG20SiMn

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 - -     0.14 -  
525 638 - 12.3 412   -  
939 - 41 42.2   441 441

Heat Treatment of steel grade ZG20SiMn

Heat treated : 1242°C - 1795°C

Technological Curves of steel grade ZG20SiMn

Cross Reference Table (Equivalent Grade) of ZG20SiMn

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