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

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

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

Element Min Max Similar

Mechanical Properties of steel grade 38HM

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)
847 (≥) 272 (≥) 44 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 38HM

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
22 - -     0.43 -  
443 666 - 33.3 342   -  
132 - 31 34.2   313 141

Heat Treatment of steel grade 38HM

Heat treated : 1646°C - 1621°C

Technological Curves of steel grade 38HM

Cross Reference Table (Equivalent Grade) of 38HM

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