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

China CGMA 20CrMo 车辆齿轮用钢 技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20CrMo / 20CrMo
Category Grade Standard Region/Area Standard Content
Metals 20CrMo CGMA001-1 China 车辆齿轮用钢 技术条件

Chemical composition(mass fraction)(wt.%) of the 20CrMo

Element Min Max Similar
Mo 0.1500 0.2500 -
Cr 0.8000 1.1000 -
S - 0.0250 -
P - 0.0300 -
Mn 0.4000 0.7000 -
Si 0.1700 0.3700 -
C 0.1800 0.2300 -

Mechanical Properties of steel grade 20CrMo

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)
887 (≥) 595 (≥) 23 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade 20CrMo

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
13 - -     0.11 -  
177 332 - 44.3 444   -  
629 - 33 31.2   222 231

Heat Treatment of steel grade 20CrMo

Heat treated : 1515°C - 1272°C

Technological Curves of steel grade 20CrMo

Cross Reference Table (Equivalent Grade) of 20CrMo

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 20CrMo?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top