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H08MnSiCrMo

China GB H08MnSiCrMo 焊接用钢盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: H08MnSiCrMo / H08MnSiCrMo
Category Grade Standard Region/Area Standard Content
Metals H08MnSiCrMo GB/T 3429 China 焊接用钢盘条

Chemical composition(mass fraction)(wt.%) of the H08MnSiCrMo

Element Min Max Similar
Total others - 0.5000 -
S - 0.0250 -
P - 0.0300 -
Cu - 0.2000 -
Mo 0.4500 0.6500 -
Ni - 0.2500 -
Cr 0.9000 1.2000 -
Mn 1.2000 1.7000 -
Si 0.6000 0.9000 -
C 0.0600 0.1000 -

Mechanical Properties of steel grade H08MnSiCrMo

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)
828 (≥) 225 (≥) 34 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade H08MnSiCrMo

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
23 - -     0.13 -  
953 875 - 21.3 242   -  
387 - 12 41.2   413 214

Heat Treatment of steel grade H08MnSiCrMo

Heat treated : 1919°C - 1378°C

Technological Curves of steel grade H08MnSiCrMo

Cross Reference Table (Equivalent Grade) of H08MnSiCrMo

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