Available 24/7 at contact@steel-grades.com

40CrNi2MoA

Global 企业标准 40CrNi2MoA and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40CrNi2MoA / 40CrNi2MoA
Category Grade Standard Region/Area Standard Content
Metals 40CrNi2MoA -- Global

Chemical composition(mass fraction)(wt.%) of the 40CrNi2MoA

Element Min Max Similar
C 0.3800 0.4300 -
Cr 0.7000 0.9000 -
Ni 1.6500 2.0000 -
Mo 0.2000 0.3000 -
Mn 0.6000 0.9000 -
Si 0.2000 0.3500 -
P - 0.0200 -
Cu - 0.2500 -
S - 0.0150 -

Mechanical Properties of steel grade 40CrNi2MoA

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)
756 (≥) 657 (≥) 21 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade 40CrNi2MoA

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
24 - -     0.13 -  
737 181 - 34.3 324   -  
494 - 22 32.2   322 413

Heat Treatment of steel grade 40CrNi2MoA

Heat treated : 1722°C - 1934°C

Technological Curves of steel grade 40CrNi2MoA

Cross Reference Table (Equivalent Grade) of 40CrNi2MoA

Available Suppliers

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this 40CrNi2MoA?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top