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SMA 490 CW

Japan JIS SMA490CW 热轧耐大气腐蚀的焊接结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMA490CW / SMA 490 CW
Category Grade Standard Region/Area Standard Content
Metals SMA 490 CW JIS G3114 Japan 热轧耐大气腐蚀的焊接结构钢

Chemical composition(mass fraction)(wt.%) of the SMA 490 CW

Element Min Max Similar

Mechanical Properties of steel grade SMA 490 CW

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)
757 (≥) 142 (≥) 21 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade SMA 490 CW

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
14 - -     0.22 -  
686 438 - 12.3 123   -  
232 - 21 13.2   424 334

Heat Treatment of steel grade SMA 490 CW

Heat treated : 1687°C - 1563°C

Technological Curves of steel grade SMA 490 CW

Cross Reference Table (Equivalent Grade) of SMA 490 CW

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