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X 2 CrNiMoN 18 12 4

France AFNOR NF X2CrNiMoN18124 stainless steels - part 2: technical delivery conditions for sheet/plate and strip for general purposes and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals X 2 CrNiMoN 18 12 4 NF EN 10088-2 France stainless steels - part 2: technical delivery conditions for sheet/plate and strip for general purposes

Chemical composition(mass fraction)(wt.%) of the X 2 CrNiMoN 18 12 4

Element Min Max Similar
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 10.5000 14.0000 -
N 0.1000 0.2000 -
Mo 3.0000 4.0000 -
Mn - 2.0000 -
Cr 16.5000 19.5000 -
C - 0.0300 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 10.5000 14.0000 -
N 0.1000 0.2000 -
Mo 3.0000 4.0000 -
Mn - 2.0000 -
Cr 16.5000 19.5000 -
C - 0.0300 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 10.5000 14.0000 -
N 0.1000 0.2000 -
Mo 3.0000 4.0000 -
Mn - 2.0000 -
Cr 16.5000 19.5000 -
C - 0.0300 -

Mechanical Properties of steel grade X 2 CrNiMoN 18 12 4

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)
976 (≥) 929 (≥) 33 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade X 2 CrNiMoN 18 12 4

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 - -     0.44 -  
586 829 - 22.3 433   -  
715 - 34 21.2   213 134

Heat Treatment of steel grade X 2 CrNiMoN 18 12 4

Heat treated : 1284°C - 1639°C

Technological Curves of steel grade X 2 CrNiMoN 18 12 4

Cross Reference Table (Equivalent Grade) of X 2 CrNiMoN 18 12 4

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