42CrMo4 42CrMo4 Datasheet
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 42CrMo4
37Cr4
1.7034
37Cr4
1.7038
41Cr4
1.7035
41Cr4
1.7039
42CrMo4
1.7225
Datasheet for:Steel Grades:Carbon Steel:42CrMo4

Chemical composition(mass fraction)(wt.%) of the 42CrMo4

 

C
Si
Mn
P
S
Cr Ni
0.38-0.45  0.40  0.60-0.90  0.025  0.035  0.90-1.20  
Mo Al Cu Nb Ti V Ce
0.15-0.30             
N Co Pb B Other    
             
             

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 42CrMo4

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)
197 (≥) 937 (≥) 22 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
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 - -     0.41 -  
876 875 - 43.3 423   -  
742 - 24 42.2   434 442
Heat treated : 1478°C - 1267°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
42CrMo4
Steels for quenching and tempering for construction purposes - Technical delivery conditions
1.7225
Steels for quenching and tempering for construction purposes - Technical delivery conditions
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