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Korea KS SMA570W Hot - rolled atmospheric corrosion resisting steels for welded structure and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMA570W / SMA 570W
Category Grade Standard Region/Area Standard Content
Metals SMA 570W KS D 3529 Korea Hot - rolled atmospheric corrosion resisting steels for welded structure

Chemical composition(mass fraction)(wt.%) of the SMA 570W

Element Min Max Similar
Si 0.1500 0.6500 -
S - 0.0350 -
P - 0.0350 -
Ni 0.0500 0.3000 -
Mo+Nb+Ti+V+Zr - 0.1500 -
Mn - 1.4000 -
Cu 0.3000 0.5000 -
Cr 0.4500 0.7500 -
C - 0.1800 -

Mechanical Properties of steel grade SMA 570W

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)
941 (≥) 665 (≥) 14 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade SMA 570W

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 - -     0.23 -  
723 338 - 22.3 141   -  
791 - 24 21.2   342 413

Heat Treatment of steel grade SMA 570W

Heat treated : 1634°C - 1537°C

Technological Curves of steel grade SMA 570W

Cross Reference Table (Equivalent Grade) of SMA 570W

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