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Japan JIS SN490C 建筑结构用轧制钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SN490C / SN 490 C
Category Grade Standard Region/Area Standard Content
Metals SN 490 C JIS G3136 Japan 建筑结构用轧制钢

Chemical composition(mass fraction)(wt.%) of the SN 490 C

Element Min Max Similar

Mechanical Properties of steel grade SN 490 C

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)
684 (≥) 857 (≥) 24 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade SN 490 C

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
21 - -     0.13 -  
382 392 - 11.3 431   -  
318 - 22 12.2   133 332

Heat Treatment of steel grade SN 490 C

Heat treated : 1596°C - 1863°C

Technological Curves of steel grade SN 490 C

Cross Reference Table (Equivalent Grade) of SN 490 C

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