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23 12 2 L

France AFNOR NF 23122L 焊材 - 覆盖电极的用于不锈钢和耐热钢的手工电弧焊 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 23122L / 23 12 2 L
Category Grade Standard Region/Area Standard Content
Metals 23 12 2 L NF EN 1600 France 焊材 - 覆盖电极的用于不锈钢和耐热钢的手工电弧焊

Chemical composition(mass fraction)(wt.%) of the 23 12 2 L

Element Min Max Similar
Si - 1.2000 -
S - 0.0250 -
P+S - 0.0500 -
P - 0.0300 -
Ni 11.0000 14.0000 -
Mo 2.0000 3.0000 -
Mn - 2.5000 -
Fe - - -
Cu - 0.7500 -
Cr 22.0000 25.0000 -
C - 0.0400 -

Mechanical Properties of steel grade 23 12 2 L

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)
132 (≥) 584 (≥) 23 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade 23 12 2 L

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
23 - -     0.34 -  
222 153 - 33.3 212   -  
164 - 13 14.2   134 131

Heat Treatment of steel grade 23 12 2 L

Heat treated : 1338°C - 1266°C

Technological Curves of steel grade 23 12 2 L

Cross Reference Table (Equivalent Grade) of 23 12 2 L

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