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Ch 23 N 18

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Bulgaria BDS Ch23N18 Stainless steels. Designations and technical requirements and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Ch23N18 / Ch 23 N 18
Category Grade Standard Region/Area Standard Content
Metals Ch 23 N 18 BDS 6738 Bulgaria Stainless steels. Designations and technical requirements

Chemical composition(mass fraction)(wt.%) of the Ch 23 N 18

Element Min Max Similar
Si - 1.0000 -
S - 0.0250 -
P - 0.0350 -
Ni 17.0000 20.0000 -
Mo - 0.3000 -
Mn - 1.5000 -
Cr 22.0000 25.0000 -
C - 0.2000 -

Mechanical Properties of steel grade Ch 23 N 18

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)
513 (≥) 342 (≥) 41 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade Ch 23 N 18

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 -  
274 373 - 31.3 241   -  
143 - 44 11.2   314 111

Heat Treatment of steel grade Ch 23 N 18

Heat treated : 1653°C - 1477°C

Technological Curves of steel grade Ch 23 N 18

Cross Reference Table (Equivalent Grade) of Ch 23 N 18

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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