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23 NCDB 2

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France AFNOR NF 23NCDB2 Iron and steel products. Chain steels. Grades and types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 23NCDB2 / 23 NCDB 2
Category Grade Standard Region/Area Standard Content
Metals 23 NCDB 2 NF A35-566 France Iron and steel products. Chain steels. Grades and types

Chemical composition(mass fraction)(wt.%) of the 23 NCDB 2

Element Min Max Similar
Si 0.1000 0.3500 -
S - 0.0250 -
P - 0.0300 -
Ni 0.4000 0.7000 -
Mo 0.1500 0.2500 -
Mn 0.6500 0.9500 -
Cr 0.4000 0.6500 -
C 0.2000 0.2500 -
B 0.0008 - -
Al 0.0200 - -
Si 0.1000 0.3500 -
S - 0.0250 -
P - 0.0300 -
Ni 0.4000 0.7000 -
Mo 0.1500 0.2500 -
Mn 0.6500 0.9500 -
Cr 0.4000 0.6500 -
C 0.2000 0.2500 -
B 0.0008 - -
Al 0.0200 - -

Mechanical Properties of steel grade 23 NCDB 2

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)
152 (≥) 139 (≥) 41 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade 23 NCDB 2

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 - -     0.23 -  
375 232 - 42.3 333   -  
127 - 22 42.2   133 422

Heat Treatment of steel grade 23 NCDB 2

Heat treated : 1271°C - 1822°C

Technological Curves of steel grade 23 NCDB 2

Cross Reference Table (Equivalent Grade) of 23 NCDB 2

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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Jiangyou Longhai Special Steel Co.,Ltd.

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