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12H25N5TMFL

Russia GOST 12H25N5TMFL Steel castings. General specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12H25N5TMFL / 12H25N5TMFL
Category Grade Standard Region/Area Standard Content
Metals 12H25N5TMFL GOST 977 Russia Steel castings. General specifications

Chemical composition(mass fraction)(wt.%) of the 12H25N5TMFL

Element Min Max Similar

Mechanical Properties of steel grade 12H25N5TMFL

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)
793 (≥) 223 (≥) 43 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 12H25N5TMFL

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
12 - -     0.44 -  
797 224 - 34.3 332   -  
376 - 14 31.2   323 343

Heat Treatment of steel grade 12H25N5TMFL

Heat treated : 1786°C - 1233°C

Technological Curves of steel grade 12H25N5TMFL

Cross Reference Table (Equivalent Grade) of 12H25N5TMFL

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