1.4960 (X40CrNiCoNb13-13)

Classification

Country Section Category
Germany Stainless and Heat Resisting Steels Materials with Elevated Temperature Properties

Chemical composition

Standard Fe, % Si, % Mn, % Co, % Cr, % Ni, % P, % C, % S, % Mo, % W, %
53.99–61.05 < 1 < 2 9.5–10.5 12.5–13.5 12.5–13.5 < 0.03 0.35–0.45 < 0.03 1.8–2.2 2.3–2.8

Information on suppliers

Physical characteristics

Temperature, °C \alpha\cdot 10^{6}, K^{-1} \varkappa, \frac{W}{m\cdot K} \rho, \frac{kg}{m^3} c\cdot 10^{-3}, \frac{J}{kg\cdot K} R\cdot 10^{-6}, \Omega\cdot m
20 13 8200 0.46 0.85
100 15.8
200 16.5
300 16.9
400 17.1
500 17.6
600 17.7
700 18
800 18.3

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{0.2}, MPa \epsilon_L, % KU, J Treatment
640–830 < 345 < 16 > 34 After precipitation hardening

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Co % Cobalt
Cr % Chrome
Ni % Nickel
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum
W % Tungsten

Description of physical characteristics

Parameter Units of measurement Description
\alpha\cdot 10^{6} K^{-1} Coefficient of thermal (linear) expansion (range 20°C–T)
\varkappa \frac{W}{m\cdot K} Coefficient of thermal conductivity (the heat capacity of the material)
\rho \frac{kg}{m^3} The density of the material
c\cdot 10^{-3} \frac{J}{kg\cdot K} The specific heat of the material (range 20°C–T)
R\cdot 10^{-6} \Omega\cdot m Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
\sigma_{0.2} MPa Tensile stress required to produce a total elongation of 0.2%
\sigma _{U} MPa Ultimate tensile strength
\epsilon_L % Elongation at break (longitudinal)
KU J Impact energy