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X 12 CrMnNiN 18 9 5

France AFNOR NF X12CrMnNiN1895 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 12 CrMnNiN 18 9 5 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 12 CrMnNiN 18 9 5

Element Min Max Similar
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 4.0000 6.0000 -
N 0.0500 0.2500 -
Mn 7.5000 10.5000 -
Cr 17.0000 19.0000 -
C - 0.1500 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 4.0000 6.0000 -
N 0.0500 0.2500 -
Mn 7.5000 10.5000 -
Cr 17.0000 19.0000 -
C - 0.1500 -

Mechanical Properties of steel grade X 12 CrMnNiN 18 9 5

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)
589 (≥) 231 (≥) 31 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade X 12 CrMnNiN 18 9 5

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
14 - -     0.23 -  
652 166 - 21.3 211   -  
731 - 31 21.2   432 424

Heat Treatment of steel grade X 12 CrMnNiN 18 9 5

Heat treated : 1879°C - 1675°C

Technological Curves of steel grade X 12 CrMnNiN 18 9 5

Cross Reference Table (Equivalent Grade) of X 12 CrMnNiN 18 9 5

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