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Russia GOST 25HGNMT Structural alloy steel bars. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 25HGNMT / 25HGNMT
Category Grade Standard Region/Area Standard Content
Metals 25HGNMT GOST 4543 Russia Structural alloy steel bars. Specifications

Chemical composition(mass fraction)(wt.%) of the 25HGNMT

Element Min Max Similar

Mechanical Properties of steel grade 25HGNMT

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)
991 (≥) 882 (≥) 22 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade 25HGNMT

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
44 - -     0.14 -  
397 175 - 33.3 221   -  
614 - 34 41.2   131 434

Heat Treatment of steel grade 25HGNMT

Heat treated : 1959°C - 1754°C

Technological Curves of steel grade 25HGNMT

Cross Reference Table (Equivalent Grade) of 25HGNMT

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