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SA387Gr12C12

China 舞钢Q/WTB SA387Gr12C12 供东方锅炉用SA387合金钢板生产技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA387Gr12C12 / SA387Gr12C12
Category Grade Standard Region/Area Standard Content
Metals SA387Gr12C12 WYJ 415 China 供东方锅炉用SA387合金钢板生产技术条件

Chemical composition(mass fraction)(wt.%) of the SA387Gr12C12

Element Min Max Similar
Nb - 0.0300 -
V - 0.0400 -
Cu - 0.2700 -
Ni - 0.4300 -
Mo 0.4000 0.6500 -
Cr 0.7400 1.2100 -
S - 0.0100 -
P - 0.0250 -
Mn 0.3500 0.7300 -
Si 0.1300 0.4500 -
C 0.0400 0.1700 -

Mechanical Properties of steel grade SA387Gr12C12

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)
482 (≥) 241 (≥) 21 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade SA387Gr12C12

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
34 - -     0.23 -  
647 514 - 31.3 314   -  
643 - 32 44.2   344 214

Heat Treatment of steel grade SA387Gr12C12

Heat treated : 1495°C - 1952°C

Technological Curves of steel grade SA387Gr12C12

Cross Reference Table (Equivalent Grade) of SA387Gr12C12

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