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

China GB GCr18Mo 高碳铬轴承钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GCr18Mo / GCr18Mo
Category Grade Standard Region/Area Standard Content
Metals GCr18Mo GB/T 18254 China 高碳铬轴承钢

Chemical composition(mass fraction)(wt.%) of the GCr18Mo

Element Min Max Similar
Si 0.2000 0.4000 -
S - 0.0200 -
P - 0.0250 -
Ni - 0.2500 -
Mo 0.1500 0.2500 -
Mn 0.2500 0.4000 -
Cu - 0.2500 -
Cr 1.6500 1.9500 -
C 0.9500 1.0500 -

Mechanical Properties of steel grade GCr18Mo

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)
829 (≥) 918 (≥) 21 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade GCr18Mo

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
12 - -     0.23 -  
752 924 - 11.3 443   -  
622 - 23 14.2   143 341

Heat Treatment of steel grade GCr18Mo

Heat treated : 1282°C - 1882°C

Technological Curves of steel grade GCr18Mo

Cross Reference Table (Equivalent Grade) of GCr18Mo

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 GCr18Mo?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top