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0 Ch 17 N 20 M 2 D 2 T

Bulgaria BDS 0Ch17N20M2D2T Stainless steels. Designations and technical requirements and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals 0 Ch 17 N 20 M 2 D 2 T BDS 6738 Bulgaria Stainless steels. Designations and technical requirements

Chemical composition(mass fraction)(wt.%) of the 0 Ch 17 N 20 M 2 D 2 T

Element Min Max Similar

Mechanical Properties of steel grade 0 Ch 17 N 20 M 2 D 2 T

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)
756 (≥) 962 (≥) 44 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 0 Ch 17 N 20 M 2 D 2 T

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
31 - -     0.44 -  
862 367 - 33.3 311   -  
681 - 41 12.2   341 243

Heat Treatment of steel grade 0 Ch 17 N 20 M 2 D 2 T

Heat treated : 1234°C - 1634°C

Technological Curves of steel grade 0 Ch 17 N 20 M 2 D 2 T

Cross Reference Table (Equivalent Grade) of 0 Ch 17 N 20 M 2 D 2 T

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