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H08MnCr9Mo

China GB H08MnCr9Mo 焊接用钢盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: H08MnCr9Mo / H08MnCr9Mo
Category Grade Standard Region/Area Standard Content
Metals H08MnCr9Mo GB/T 3429 China 焊接用钢盘条

Chemical composition(mass fraction)(wt.%) of the H08MnCr9Mo

Element Min Max Similar
Total others - 0.0500 -
S - 0.0250 -
P - 0.0250 -
Cu - 0.2000 -
Mo 0.8000 1.2000 -
Ni - 0.5000 -
Cr 8.0000 10.5000 -
Mn 0.4000 0.7000 -
Si - 0.5000 -
C - 0.1000 -

Mechanical Properties of steel grade H08MnCr9Mo

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)
491 (≥) 239 (≥) 22 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade H08MnCr9Mo

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
11 - -     0.22 -  
148 174 - 42.3 141   -  
528 - 22 44.2   241 432

Heat Treatment of steel grade H08MnCr9Mo

Heat treated : 1812°C - 1751°C

Technological Curves of steel grade H08MnCr9Mo

Cross Reference Table (Equivalent Grade) of H08MnCr9Mo

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