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Japan JIS SEFH490 电解镀锌钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SEFH490 / SEFH490
Category Grade Standard Region/Area Standard Content
Metals SEFH490 JIS G3313 Japan 电解镀锌钢板及钢带

Chemical composition(mass fraction)(wt.%) of the SEFH490

Element Min Max Similar

Mechanical Properties of steel grade SEFH490

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)
919 (≥) 637 (≥) 23 12 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade SEFH490

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
43 - -     0.32 -  
937 226 - 33.3 343   -  
971 - 12 22.2   142 432

Heat Treatment of steel grade SEFH490

Heat treated : 1626°C - 1732°C

Technological Curves of steel grade SEFH490

Cross Reference Table (Equivalent Grade) of SEFH490

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