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Description

S45C Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: S45C
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel S45C
S20CK
S22C
S25C
S28C
S30C
S33C
S35C
S38C
S40C
S43C

Chemical composition(mass fraction)(wt.%) of the S45C

 

 


C
Si
Mn
P
S
Cr Ni
0.42-0.48 0.15-0.35 0.6-0.9 0.03 0.03 ≤0.2 ≤0.2
Mo Al Cu Nb Ti V Ce
    ≤0.3        
N Co Pb B Other    
        Cr+Ni≤0.35    
             

Mechanical Properties of steel grade S45C

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)
751 (≥) 528 (≥) 14 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade S45C

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 - -     0.24 -  
421 128 - 42.3 133   -  
339 - 33 42.2   324 343

Heat Treatment of steel grade S45C

Heat treated : 1783°C - 1124°C

Technological Curves of steel grade S45C

Cross Reference Table (Equivalent Grade) of S45C

Grade Standard Country Application
S45C China China Taiwan Structural steel

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