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H30CrMnSi

China GB H30CrMnSi 焊接用钢盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: H30CrMnSi / H30CrMnSi
Category Grade Standard Region/Area Standard Content
Metals H30CrMnSi GB/T 3429 China 焊接用钢盘条

Chemical composition(mass fraction)(wt.%) of the H30CrMnSi

Element Min Max Similar
S - 0.0250 -
P - 0.0250 -
Cu - 0.2000 -
Ni - 0.3000 -
Cr 0.8000 1.1000 -
Mn 0.8000 1.1000 -
Si 0.9000 1.2000 -
C 0.2500 0.3500 -

Mechanical Properties of steel grade H30CrMnSi

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)
449 (≥) 284 (≥) 44 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade H30CrMnSi

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
22 - -     0.32 -  
735 294 - 21.3 242   -  
657 - 21 43.2   223 223

Heat Treatment of steel grade H30CrMnSi

Heat treated : 1782°C - 1167°C

Technological Curves of steel grade H30CrMnSi

Cross Reference Table (Equivalent Grade) of H30CrMnSi

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