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

China 舞钢Q/WTB 20MnHR 供西核公司20MnHR钢板供货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20MnHR / 20MnHR
Category Grade Standard Region/Area Standard Content
Metals 20MnHR WYJ 219 China 供西核公司20MnHR钢板供货技术条件

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

Element Min Max Similar
Cu+6Sn - 0.3300 -
Cr+Cu+Mo+Ni - 0.7500 -
V - 0.0300 -
Ti - 0.0400 -
Ni - 0.3500 -
Nb - 0.0300 -
Mo - - -
Cu - 0.1800 -
Cr - 0.3500 -
N - 0.0140 -
Al 0.0150 - -
S - 0.0200 -
P - 0.0300 -
Mn 1.0000 1.8000 -
Si - 0.6000 -
C 0.0800 0.2200 -

Mechanical Properties of steel grade 20MnHR

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)
816 (≥) 852 (≥) 21 42 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 20MnHR

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
34 - -     0.44 -  
877 935 - 41.3 133   -  
544 - 11 33.2   143 343

Heat Treatment of steel grade 20MnHR

Heat treated : 1879°C - 1495°C

Technological Curves of steel grade 20MnHR

Cross Reference Table (Equivalent Grade) of 20MnHR

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