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China GB 15MnCuCr 焊接结构用耐候钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 15MnCuCr / 15MnCuCr
Category Grade Standard Region/Area Standard Content
Metals 15MnCuCr GB 4172 China 焊接结构用耐候钢

Chemical composition(mass fraction)(wt.%) of the 15MnCuCr

Element Min Max Similar

Mechanical Properties of steel grade 15MnCuCr

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)
734 (≥) 476 (≥) 43 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade 15MnCuCr

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
14 - -     0.24 -  
887 522 - 23.3 144   -  
725 - 23 13.2   222 314

Heat Treatment of steel grade 15MnCuCr

Heat treated : 1661°C - 1732°C

Technological Curves of steel grade 15MnCuCr

Cross Reference Table (Equivalent Grade) of 15MnCuCr

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