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

31 CrMo 12

Spain UNE 31CrMo12 锻轧氮化钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 31CrMo12 / 31 CrMo 12
Category Grade Standard Region/Area Standard Content
Metals 31 CrMo 12 UNE 36014 Spain 锻轧氮化钢

Chemical composition(mass fraction)(wt.%) of the 31 CrMo 12

Element Min Max Similar
Si - 0.4000 -
S - 0.0350 -
P - 0.0250 -
Mo 0.3000 0.5000 -
Mn 0.4000 0.7000 -
Cr 2.8000 3.3000 -
C 0.2800 0.3500 -
Si 0.1500 0.4000 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.3000 -
Mo 0.3000 0.5000 -
Mn 0.4000 0.7000 -
Cr 2.8000 3.3000 -
C 0.2800 0.3500 -

Mechanical Properties of steel grade 31 CrMo 12

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)
661 (≥) 266 (≥) 24 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade 31 CrMo 12

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
32 - -     0.23 -  
253 177 - 31.3 331   -  
971 - 43 21.2   133 442

Heat Treatment of steel grade 31 CrMo 12

Heat treated : 1465°C - 1474°C

Technological Curves of steel grade 31 CrMo 12

Cross Reference Table (Equivalent Grade) of 31 CrMo 12

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 31 CrMo 12?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top