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

China GB 20CrH 保证淬透性结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20CrH / 20CrH
Category Grade Standard Region/Area Standard Content
Metals 20CrH GB/T 5216 China 保证淬透性结构钢

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

Element Min Max Similar
Si 0.1700 0.3700 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.3000 -
Mn 0.5000 0.8500 -
Cu - 0.3000 -
Cr 0.7000 1.1000 -
C 0.1700 0.2300 -

Mechanical Properties of steel grade 20CrH

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)
939 (≥) 578 (≥) 14 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade 20CrH

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 - -     0.23 -  
582 782 - 44.3 111   -  
858 - 22 11.2   333 333

Heat Treatment of steel grade 20CrH

Heat treated : 1636°C - 1563°C

Technological Curves of steel grade 20CrH

Cross Reference Table (Equivalent Grade) of 20CrH

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