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

Russia GOST 20GNMFL Steel castings. General specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20GNMFL / 20GNMFL
Category Grade Standard Region/Area Standard Content
Metals 20GNMFL GOST 977 Russia Steel castings. General specifications

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

Element Min Max Similar
V 0.0600 0.1200 -
Si 0.2000 0.4000 -
S - 0.0300 -
P - 0.0300 -
Ni 0.7000 1.0000 -
Mo 0.1500 0.2500 -
Mn 0.7000 1.2000 -
Cr - 0.3000 -
C 0.1400 0.2200 -

Mechanical Properties of steel grade 20GNMFL

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)
484 (≥) 854 (≥) 23 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade 20GNMFL

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
24 - -     0.44 -  
356 541 - 34.3 222   -  
594 - 22 21.2   312 144

Heat Treatment of steel grade 20GNMFL

Heat treated : 1299°C - 1374°C

Technological Curves of steel grade 20GNMFL

Cross Reference Table (Equivalent Grade) of 20GNMFL

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