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China GB H08Mn2Mo 焊接用钢盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: H08Mn2Mo / H08Mn2Mo
Category Grade Standard Region/Area Standard Content
Metals H08Mn2Mo GB/T 3429 China 焊接用钢盘条

Chemical composition(mass fraction)(wt.%) of the H08Mn2Mo

Element Min Max Similar
S - 0.0300 -
P - 0.0300 -
Ti 0.0500 0.1500 -
Cu - 0.2000 -
Mo 0.5000 0.7000 -
Ni - 0.3000 -
Cr - 0.2000 -
Mn 1.6000 1.9000 -
Si - 0.2500 -
C 0.0600 0.1100 -

Mechanical Properties of steel grade H08Mn2Mo

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)
677 (≥) 671 (≥) 14 13 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade H08Mn2Mo

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
12 - -     0.34 -  
265 473 - 42.3 421   -  
356 - 44 13.2   121 211

Heat Treatment of steel grade H08Mn2Mo

Heat treated : 1621°C - 1567°C

Technological Curves of steel grade H08Mn2Mo

Cross Reference Table (Equivalent Grade) of H08Mn2Mo

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