AFNOR 42CrMo4
AFNOR 42CrMo4 PDF AFNOR 42CrMo4 Word
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 42CrMo4 AFNOR France Carbide for cutting tools
X200CrMo12-1
X210CrW12-1
X210CrW12-1
35NiCr15
35NiCr15
35CrMnMo7
35CrMnMo7
40CrMnMo8
40CrMnMo8
42CrMo4
Datasheet for:Steel Grades:Tool Steel And Hard Alloy:42CrMo4

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

C(%) Si(%) Mn(%) Cr(%) Mo(%)
0.39-0.46 0.10-0.40 0.60-0.90 0.85-1.15 0.15-0.30

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)
384 (≥) 471 (≥) 43 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 331
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
43 - -     0.22 -  
745 764 - 24.3 322   -  
332 - 32 34.2   431 414
Heat treated : 1618°C - 1394°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 AFNOR France
Carbide for cutting tools
42CrMo4 AFNOR France
Carbide for cutting tools
GS-42CrMo4 DIN Germany
42CrMo4 UNE Spain
Spain structural alloy steel
EN 42CrMo4KD EN Euronorm
Euronorm Structural steel
EN 42CrMo4 EN Euronorm
Euronorm Stainless Steel
42CrMo4

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