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Description

SCM430 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCM430
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SCM430
SCr420
SCr430
SCr435
SCr440
SCr445
SCM415
SCM418
SCM420
SCM421
SCM425

Chemical composition(mass fraction)(wt.%) of the SCM430

 


C
Si
Mn
P
S
Cr Ni
0.28-0.33 0.15-0.35 0.6-0.9 0.03 0.03 0.9-1.2 ≤0.25
Mo Al Cu Nb Ti V Ce
0.15-0.3   ≤0.3        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SCM430

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)
231 (≥) 558 (≥) 32 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade SCM430

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
22 - -     0.22 -  
813 247 - 43.3 123   -  
122 - 41 41.2   312 113

Heat Treatment of steel grade SCM430

Heat treated : 1779°C - 1325°C

Technological Curves of steel grade SCM430

Cross Reference Table (Equivalent Grade) of SCM430

Grade Standard Country Application
SCM430 China China Taiwan Structural steel

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