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Japan JIS CS40 弹簧用冷轧钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CS40 / CS40
Category Grade Standard Region/Area Standard Content
Metals CS40 JIS G4802 Japan 弹簧用冷轧钢带

Chemical composition(mass fraction)(wt.%) of the CS40

Element Min Max Similar

Mechanical Properties of steel grade CS40

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)
755 (≥) 315 (≥) 14 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade CS40

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
32 - -     0.43 -  
326 561 - 31.3 243   -  
983 - 23 32.2   222 212

Heat Treatment of steel grade CS40

Heat treated : 1742°C - 1297°C

Technological Curves of steel grade CS40

Cross Reference Table (Equivalent Grade) of CS40

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