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Japan JIS SS540 一般結構用軋鋼料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SS540 / SS540
Category Grade Standard Region/Area Standard Content
Metals SS540 JIS G3101 Japan 一般結構用軋鋼料

Chemical composition(mass fraction)(wt.%) of the SS540

Element Min Max Similar
S - 0.0400 -
P - 0.0400 -
Other - - -
Mn - 1.6000 -
C - 0.3000 -

Mechanical Properties of steel grade SS540

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)
852 (≥) 239 (≥) 44 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade SS540

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
42 - -     0.13 -  
295 919 - 32.3 413   -  
753 - 14 43.2   113 412

Heat Treatment of steel grade SS540

Heat treated : 1732°C - 1828°C

Technological Curves of steel grade SS540

Cross Reference Table (Equivalent Grade) of SS540

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