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Japan JIS S40C 机械结构用碳素钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S40C / S 40 C
Category Grade Standard Region/Area Standard Content
Metals S 40 C JIS G4051 Japan 机械结构用碳素钢

Chemical composition(mass fraction)(wt.%) of the S 40 C

Element Min Max Similar

Mechanical Properties of steel grade S 40 C

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)
876 (≥) 266 (≥) 33 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade S 40 C

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 -  
339 639 - 34.3 412   -  
644 - 43 42.2   313 343

Heat Treatment of steel grade S 40 C

Heat treated : 1657°C - 1989°C

Technological Curves of steel grade S 40 C

Cross Reference Table (Equivalent Grade) of S 40 C

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