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Description

SCM445H Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SCM445H
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SCM445H
SCr420H
SCr430H
SCr435H
SCr440H
SCM415H
SCM418H
SCM420H
SCM425H
SCM435H
SCM440H

Chemical composition(mass fraction)(wt.%) of the SCM445H

 


C
Si
Mn
P
S
Cr Ni
0.42-0.49 0.15-0.35 0.55-0.9 0.03 0.03 0.85-1.25 ≤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 SCM445H

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)
532 (≥) 195 (≥) 32 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade SCM445H

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
14 - -     0.32 -  
728 212 - 41.3 333   -  
364 - 44 31.2   343 243

Heat Treatment of steel grade SCM445H

Heat treated : 1858°C - 1224°C

Technological Curves of steel grade SCM445H

Cross Reference Table (Equivalent Grade) of SCM445H

Grade Standard Country Application
SCM445H China China Taiwan Structural steel

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