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

20 MnCrNiMo 6-3

Germany DIN 20MnCrNiMo6-3 Weldable high strength low alloyed MnCr steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20MnCrNiMo6-3 / 20 MnCrNiMo 6-3
Category Grade Standard Region/Area Standard Content
Metals 20 MnCrNiMo 6-3 -- Germany Weldable high strength low alloyed MnCr steel

Chemical composition(mass fraction)(wt.%) of the 20 MnCrNiMo 6-3

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0350 -
P - 0.0350 -
Ni 0.3000 0.4000 -
Mo 0.2200 0.3000 -
Mn 1.3000 1.5500 -
Cr 0.6000 0.7500 -
C 0.1600 0.2200 -
Al 0.0200 - -

Mechanical Properties of steel grade 20 MnCrNiMo 6-3

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)
962 (≥) 644 (≥) 42 43 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 20 MnCrNiMo 6-3

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 - -     0.34 -  
492 392 - 11.3 441   -  
394 - 32 21.2   433 344

Heat Treatment of steel grade 20 MnCrNiMo 6-3

Heat treated : 1955°C - 1188°C

Technological Curves of steel grade 20 MnCrNiMo 6-3

Cross Reference Table (Equivalent Grade) of 20 MnCrNiMo 6-3

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 20 MnCrNiMo 6-3?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top