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China GB 12Mng 锅炉用碳素钢和低合金钢钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12Mng / 12Mng
Category Grade Standard Region/Area Standard Content
Metals 12Mng GB 713 China 锅炉用碳素钢和低合金钢钢板

Chemical composition(mass fraction)(wt.%) of the 12Mng

Element Min Max Similar

Mechanical Properties of steel grade 12Mng

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)
799 (≥) 376 (≥) 33 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade 12Mng

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
44 - -     0.24 -  
339 796 - 44.3 122   -  
921 - 11 31.2   141 244

Heat Treatment of steel grade 12Mng

Heat treated : 1614°C - 1632°C

Technological Curves of steel grade 12Mng

Cross Reference Table (Equivalent Grade) of 12Mng

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