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0 Ch 23 N 28 M 3 D 3 D

Bulgaria BDS 0Ch23N28M3D3D Stainless steels. Designations and technical requirements and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals 0 Ch 23 N 28 M 3 D 3 D BDS 6738 Bulgaria Stainless steels. Designations and technical requirements

Chemical composition(mass fraction)(wt.%) of the 0 Ch 23 N 28 M 3 D 3 D

Element Min Max Similar
Ti 0.5000 0.9000 -
Si - 0.8000 -
S - 0.0200 -
P - 0.0350 -
Ni 26.0000 29.0000 -
Mo 2.4000 3.0000 -
Mn - 2.0000 -
Cu 2.5000 3.5000 -
Cr 22.0000 25.0000 -
C - 0.0600 -

Mechanical Properties of steel grade 0 Ch 23 N 28 M 3 D 3 D

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)
251 (≥) 968 (≥) 14 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade 0 Ch 23 N 28 M 3 D 3 D

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
41 - -     0.24 -  
312 321 - 13.3 131   -  
655 - 33 43.2   234 113

Heat Treatment of steel grade 0 Ch 23 N 28 M 3 D 3 D

Heat treated : 1355°C - 1624°C

Technological Curves of steel grade 0 Ch 23 N 28 M 3 D 3 D

Cross Reference Table (Equivalent Grade) of 0 Ch 23 N 28 M 3 D 3 D

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