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X 2 CrTiNb 18

France AFNOR NF X2CrTiNb18 stainless steels - part 2: technical delivery conditions for sheet/plate and strip for general purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X2CrTiNb18 / X 2 CrTiNb 18
Category Grade Standard Region/Area Standard Content
Metals X 2 CrTiNb 18 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 CrTiNb 18

Element Min Max Similar
Ti 0.1000 0.6900 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0400 -
Nb - 1.0000 -
Mn - 1.0000 -
Cr 17.5000 18.5000 -
C - 0.0300 -
Ti 0.1000 0.6000 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0400 -
Nb - 1.0000 -
Mn - 1.0000 -
Cr 17.5000 18.5000 -
C - 0.0300 -
Ti 0.1000 0.6000 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0400 -
Nb - 1.0000 -
Mn - 1.0000 -
Cr 17.5000 18.5000 -
C - 0.0300 -

Mechanical Properties of steel grade X 2 CrTiNb 18

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)
363 (≥) 354 (≥) 22 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade X 2 CrTiNb 18

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
13 - -     0.34 -  
456 461 - 34.3 423   -  
969 - 11 41.2   122 124

Heat Treatment of steel grade X 2 CrTiNb 18

Heat treated : 1428°C - 1329°C

Technological Curves of steel grade X 2 CrTiNb 18

Cross Reference Table (Equivalent Grade) of X 2 CrTiNb 18

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