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

Bulgaria BDS 20N2M Alloyed constructional steels. Designations and technical requirements and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20N2M / 20 N 2 M
Category Grade Standard Region/Area Standard Content
Metals 20 N 2 M BDS 6354 Bulgaria Alloyed constructional steels. Designations and technical requirements

Chemical composition(mass fraction)(wt.%) of the 20 N 2 M

Element Min Max Similar
W - 0.2000 -
V - 0.0500 -
Ti - 0.0300 -
Si 0.1700 0.3700 -
S - 0.0350 -
P - 0.0350 -
Ni 1.5000 1.9000 -
Mo 0.2000 0.3000 -
Mn 0.4000 0.7000 -
Cu - 0.3000 -
Cr - 0.3000 -
C 0.1700 0.2500 -

Mechanical Properties of steel grade 20 N 2 M

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)
226 (≥) 768 (≥) 12 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade 20 N 2 M

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 - -     0.13 -  
125 332 - 31.3 414   -  
281 - 43 12.2   144 122

Heat Treatment of steel grade 20 N 2 M

Heat treated : 1784°C - 1532°C

Technological Curves of steel grade 20 N 2 M

Cross Reference Table (Equivalent Grade) of 20 N 2 M

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 N 2 M?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top