This page provides AIR 9160 C, 40CDV20 datasheet, 40CDV20 mechanical properties, chemical element 40CDV20, technical specifications of 40CDV20 steel material properties. 40CDV20 performance specifications.

Category Class Grade Standard Country Application
Steel GradesSpecialsteel 40CDV20 AFNOR France AIR 9160 C 40CDV20
Datasheet for:Steel Grades:Specialsteel:40CDV20

Chemical composition(mass fraction)(wt.%) of the 40CDV20

Elements Min.(≥) Max.(≤)
C 0.37 0.44
Si 0.80 1.00
Mn 0.20 0.40
P - 0.015
S - 0.010
Cr 4.75 5.25
Mo 1.20 1.40
V 0.40 0.60

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 40CDV20

Rp0.2 (MPa)
Rm (MPa)
KV/Ku (J)
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
112 (≥) 746 (≥) 33 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Modulus of elasticity
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
Specific thermal capacity
Specific electrical resistivity
(Ω mm²/m)
Poisson’s coefficient, ν
42 - -     0.24 -  
477 713 - 14.3 424   -  
145 - 32 33.2   341 342
Heat treated : 1196°C - 1185°C
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
40CDV20 AFNOR France
AIR 9160 C 40CDV20
XC18S AFNOR France
AIR 9160 Gr.XC18S
Relevant standard
Standard No. Description Download
AIR 9160 C
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