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Japan JIS SS490 一般結構用軋鋼料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SS490 / SS490
Category Grade Standard Region/Area Standard Content
Metals SS490 JIS G3101 Japan 一般結構用軋鋼料

Chemical composition(mass fraction)(wt.%) of the SS490

Element Min Max Similar

Mechanical Properties of steel grade SS490

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)
236 (≥) 232 (≥) 24 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade SS490

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
32 - -     0.24 -  
637 481 - 44.3 331   -  
631 - 13 13.2   432 442

Heat Treatment of steel grade SS490

Heat treated : 1777°C - 1447°C

Technological Curves of steel grade SS490

Cross Reference Table (Equivalent Grade) of SS490

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