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Russia GOST 38H2N2M Construction carbon and alloy steel forgings. General specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 38H2N2M / 38H2N2M
Category Grade Standard Region/Area Standard Content
Metals 38H2N2M GOST 8479 Russia Construction carbon and alloy steel forgings. General specification

Chemical composition(mass fraction)(wt.%) of the 38H2N2M

Element Min Max Similar

Mechanical Properties of steel grade 38H2N2M

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)
128 (≥) 467 (≥) 21 14 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade 38H2N2M

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 - -     0.24 -  
759 654 - 12.3 414   -  
848 - 12 41.2   121 131

Heat Treatment of steel grade 38H2N2M

Heat treated : 1162°C - 1574°C

Technological Curves of steel grade 38H2N2M

Cross Reference Table (Equivalent Grade) of 38H2N2M

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