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Global 企业标准 12G2SB and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12G2SB / 12G2SB
Category Grade Standard Region/Area Standard Content
Metals 12G2SB -- Global

Chemical composition(mass fraction)(wt.%) of the 12G2SB

Element Min Max Similar

Mechanical Properties of steel grade 12G2SB

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)
689 (≥) 891 (≥) 13 14 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 12G2SB

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
24 - -     0.11 -  
625 195 - 23.3 333   -  
669 - 32 22.2   443 324

Heat Treatment of steel grade 12G2SB

Heat treated : 1926°C - 1887°C

Technological Curves of steel grade 12G2SB

Cross Reference Table (Equivalent Grade) of 12G2SB

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