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France AFNOR AIR 9160 C, 40CDV20 Specialsteel AIR 9160 C 40CDV20 and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

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

C Si Mn P S Cr Mo V
0.37 -0.44 0.80 -1.00 0.20 -0.40 ≤0.015 ≤0.010 4.75 -5.25 1.20 -1.40 0.40 -0.60

Mechanical Properties of steel 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)
796 (≥) 419 (≥) 41 14 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 40CDV20

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
31 - -     0.33 -  
765 153 - 24.3 221   -  
694 - 33 34.2   413 441

Heat Treatment of steel grade 40CDV20

Heat treated : 1961°C - 1856°C

Technological Curves of steel grade 40CDV20

Cross Reference Table (Equivalent Grade) of 40CDV20

Grade Standard Country Application

Relevant standard of 40CDV20

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