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Russia GOST 12DN2FL Steel castings. General specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12DN2FL / 12DN2FL
Category Grade Standard Region/Area Standard Content
Metals 12DN2FL GOST 977 Russia Steel castings. General specifications

Chemical composition(mass fraction)(wt.%) of the 12DN2FL

Element Min Max Similar
V 0.0800 0.1500 -
Si 0.2000 0.4000 -
S - 0.0350 -
P - 0.0350 -
Ni 1.8000 2.2000 -
Mn 0.4000 0.9000 -
Cu 1.2000 1.5000 -
C 0.0800 0.1600 -

Mechanical Properties of steel grade 12DN2FL

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)
459 (≥) 749 (≥) 24 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade 12DN2FL

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
34 - -     0.23 -  
553 557 - 34.3 332   -  
536 - 31 24.2   314 143

Heat Treatment of steel grade 12DN2FL

Heat treated : 1524°C - 1433°C

Technological Curves of steel grade 12DN2FL

Cross Reference Table (Equivalent Grade) of 12DN2FL

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