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H08MnCr5Mo

China GB H08MnCr5Mo 焊接用钢盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: H08MnCr5Mo / H08MnCr5Mo
Category Grade Standard Region/Area Standard Content
Metals H08MnCr5Mo GB/T 3429 China 焊接用钢盘条

Chemical composition(mass fraction)(wt.%) of the H08MnCr5Mo

Element Min Max Similar
Total others - 0.0500 -
S - 0.0250 -
P - 0.0250 -
Cu - 0.2000 -
Mo 0.4500 0.6500 -
Ni - 0.6000 -
Cr 4.5000 6.0000 -
Mn 0.4000 0.7000 -
Si - 0.5000 -
C - 0.1000 -

Mechanical Properties of steel grade H08MnCr5Mo

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)
658 (≥) 974 (≥) 14 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade H08MnCr5Mo

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
21 - -     0.42 -  
389 252 - 22.3 412   -  
733 - 12 33.2   411 433

Heat Treatment of steel grade H08MnCr5Mo

Heat treated : 1985°C - 1928°C

Technological Curves of steel grade H08MnCr5Mo

Cross Reference Table (Equivalent Grade) of H08MnCr5Mo

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