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SMA 490AP

Korea KS SMA490AP Hot - rolled atmospheric corrosion resisting steels for welded structure and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMA490AP / SMA 490AP
Category Grade Standard Region/Area Standard Content
Metals SMA 490AP KS D 3529 Korea Hot - rolled atmospheric corrosion resisting steels for welded structure

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

Element Min Max Similar
Si - 0.5500 -
S - 0.0350 -
P - 0.0350 -
Mo+Nb+Ti+V+Zr - 0.1500 -
Mn - 1.4000 -
Cu 0.2000 0.3500 -
Cr 0.3000 0.5500 -
C - 0.1800 -

Mechanical Properties of steel grade SMA 490AP

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)
499 (≥) 233 (≥) 12 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade SMA 490AP

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
34 - -     0.33 -  
762 347 - 41.3 443   -  
132 - 14 31.2   314 234

Heat Treatment of steel grade SMA 490AP

Heat treated : 1179°C - 1342°C

Technological Curves of steel grade SMA 490AP

Cross Reference Table (Equivalent Grade) of SMA 490AP

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