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

H20MnCrNiMo

China GB H20MnCrNiMo 焊接用钢盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: H20MnCrNiMo / H20MnCrNiMo
Category Grade Standard Region/Area Standard Content
Metals H20MnCrNiMo GB/T 3429 China 焊接用钢盘条

Chemical composition(mass fraction)(wt.%) of the H20MnCrNiMo

Element Min Max Similar
Total others - 0.5000 -
S - 0.0300 -
P - 0.0250 -
Cu - 0.2000 -
Mo 0.1500 0.3000 -
Ni 0.4000 0.8000 -
Cr 0.4000 0.6000 -
Mn 0.6000 0.9000 -
Si 0.1500 0.3500 -
C 0.1600 0.2300 -

Mechanical Properties of steel grade H20MnCrNiMo

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)
138 (≥) 521 (≥) 14 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade H20MnCrNiMo

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
33 - -     0.23 -  
957 297 - 32.3 434   -  
249 - 33 42.2   121 331

Heat Treatment of steel grade H20MnCrNiMo

Heat treated : 1152°C - 1887°C

Technological Curves of steel grade H20MnCrNiMo

Cross Reference Table (Equivalent Grade) of H20MnCrNiMo

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 H20MnCrNiMo?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top