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Japan JIS S55C 机械结构用碳素钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S55C / S 55 C
Category Grade Standard Region/Area Standard Content
Metals S 55 C JIS G4051 Japan 机械结构用碳素钢

Chemical composition(mass fraction)(wt.%) of the S 55 C

Element Min Max Similar
Si 0.1500 0.4000 -
S - 0.0400 -
P - 0.0350 -
Mn 0.4000 0.8500 -
C 0.5000 0.6000 -

Mechanical Properties of steel grade S 55 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)
646 (≥) 385 (≥) 42 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade S 55 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
12 - -     0.31 -  
178 135 - 41.3 234   -  
183 - 14 22.2   444 443

Heat Treatment of steel grade S 55 C

Heat treated : 1777°C - 1158°C

Technological Curves of steel grade S 55 C

Cross Reference Table (Equivalent Grade) of S 55 C

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