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17 Ch 2 MFL

Bulgaria BDS 17Ch2MFL High-temperature steel castings. Designations and technical requirements and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 17Ch2MFL / 17 Ch 2 MFL
Category Grade Standard Region/Area Standard Content
Metals 17 Ch 2 MFL BDS 7478 Bulgaria High-temperature steel castings. Designations and technical requirements

Chemical composition(mass fraction)(wt.%) of the 17 Ch 2 MFL

Element Min Max Similar

Mechanical Properties of steel grade 17 Ch 2 MFL

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)
872 (≥) 159 (≥) 32 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade 17 Ch 2 MFL

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
33 - -     0.43 -  
184 659 - 33.3 313   -  
751 - 12 22.2   234 314

Heat Treatment of steel grade 17 Ch 2 MFL

Heat treated : 1245°C - 1439°C

Technological Curves of steel grade 17 Ch 2 MFL

Cross Reference Table (Equivalent Grade) of 17 Ch 2 MFL

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