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X 6 CrNiMoNb 17 12 2

France AFNOR NF X6CrNiMoNb17122 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 6 CrNiMoNb 17 12 2 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 6 CrNiMoNb 17 12 2

Element Min Max Similar
Si - 1.0000 -
S - 0.0150 -
P - 0.0400 -
Ni 10.5000 13.5000 -
Nb - 1.0000 -
Mo 2.0000 2.5000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0800 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 10.5000 13.5000 -
Nb - 1.0000 -
Mo 2.0000 2.5000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0800 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 10.5000 13.5000 -
Nb - 1.0000 -
Mo 2.0000 2.5000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0800 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 10.5000 13.5000 -
Nb - 1.0000 -
Mo 2.0000 2.5000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0800 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 10.5000 13.5000 -
Nb - 1.0000 -
Mo 2.0000 2.5000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0800 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 10.5000 13.5000 -
Nb - 1.0000 -
Mo 2.0000 2.5000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0800 -

Mechanical Properties of steel grade X 6 CrNiMoNb 17 12 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)
392 (≥) 699 (≥) 42 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade X 6 CrNiMoNb 17 12 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
11 - -     0.23 -  
817 573 - 11.3 443   -  
281 - 41 41.2   342 333

Heat Treatment of steel grade X 6 CrNiMoNb 17 12 2

Heat treated : 1875°C - 1135°C

Technological Curves of steel grade X 6 CrNiMoNb 17 12 2

Cross Reference Table (Equivalent Grade) of X 6 CrNiMoNb 17 12 2

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