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

Russia GOST 40N Precision alloys. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40N / 40N
Category Grade Standard Region/Area Standard Content
Metals 40N GOST 10994 Russia Precision alloys. Grades

Chemical composition(mass fraction)(wt.%) of the 40N

Element Min Max Similar
Si 0.1500 0.3000 -
S - 0.0200 -
P - 0.0200 -
Ni 39.0000 41.0000 -
Mn 0.3000 0.6000 -
Fe - - -
Cu - 0.2000 -
C - 0.0500 -

Mechanical Properties of steel grade 40N

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)
529 (≥) 756 (≥) 34 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade 40N

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
14 - -     0.31 -  
496 289 - 22.3 214   -  
169 - 34 44.2   121 324

Heat Treatment of steel grade 40N

Heat treated : 1969°C - 1224°C

Technological Curves of steel grade 40N

Cross Reference Table (Equivalent Grade) of 40N

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 40N?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top