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Russia GOST 38H2N2MA Structural alloy steel bars. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 38H2N2MA / 38H2N2MA
Category Grade Standard Region/Area Standard Content
Metals 38H2N2MA GOST 4543 Russia Structural alloy steel bars. Specifications

Chemical composition(mass fraction)(wt.%) of the 38H2N2MA

Element Min Max Similar

Mechanical Properties of steel grade 38H2N2MA

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)
518 (≥) 132 (≥) 42 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade 38H2N2MA

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
42 - -     0.21 -  
885 425 - 33.3 214   -  
595 - 32 24.2   121 133

Heat Treatment of steel grade 38H2N2MA

Heat treated : 1573°C - 1529°C

Technological Curves of steel grade 38H2N2MA

Cross Reference Table (Equivalent Grade) of 38H2N2MA

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