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Description

42CrMo4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 42CrMo4
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

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 of steel 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)
975 (≥) 161 (≥) 14 24 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade 42CrMo4

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
21 - -     0.33 -  
139 711 - 44.3 322   -  
136 - 42 33.2   121 111

Heat Treatment of steel grade 42CrMo4

Heat treated : 1463°C - 1322°C

Technological Curves of steel grade 42CrMo4

Cross Reference Table (Equivalent Grade) of 42CrMo4

Grade Standard Country Application
42CrMo4 AFNOR France Carbide for cutting tools
42CrMo4 AFNOR France Carbide for cutting tools
GS-42CrMo4 DIN Germany
42CrMo4 Spain structural alloy steel
EN 42CrMo4KD EN Euronorm Structural steel
EN 42CrMo4 EN Euronorm Stainless Steel

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