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China JB ZG40Mn2 大型低合金钢铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZG40Mn2 / ZG40Mn2
Category Grade Standard Region/Area Standard Content
Metals ZG40Mn2 JB/T 6402 China 大型低合金钢铸件

Chemical composition(mass fraction)(wt.%) of the ZG40Mn2

Element Min Max Similar

Mechanical Properties of steel grade ZG40Mn2

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)
313 (≥) 624 (≥) 13 12 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade ZG40Mn2

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
32 - -     0.43 -  
374 312 - 42.3 222   -  
253 - 33 14.2   414 244

Heat Treatment of steel grade ZG40Mn2

Heat treated : 1653°C - 1131°C

Technological Curves of steel grade ZG40Mn2

Cross Reference Table (Equivalent Grade) of ZG40Mn2

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