1.3813 (X40MnCrN19)

Classification

Country Section Category
Germany Alloy Miscellaneous Steels Materials with Special Physical Properties without Ni

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % P, % C, % S, % N, %
74.45–79.62 < 0.8 17–19 3–5 < 0.1 0.3–0.5 < 0.03 0.08–0.12

Information on suppliers

Physical characteristics

Temperature, °C E\cdot 10^{9}, MPa \alpha\cdot 10^{6}, K^{-1} \rho, \frac{kg}{m^3} R\cdot 10^{-6}, \Omega\cdot m
20 191 7900 0.7
100 16
200 17.5
300 18.6
400 19.8

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{0.2}, MPa \epsilon_L, % KU, J Treatment
740–930 < 295 < 45 > 124 hardening
830–1030 < 390 < 40 > 124 Hot-cold treatment
830–1030 < 490 < 35 < 103 Cold processing

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
P % Phosphorus
C % Carbon
S % Sulfur
N % Nitrogen

Description of physical characteristics

Parameter Units of measurement Description
E\cdot 10^{9} MPa Elastic modulus
\alpha\cdot 10^{6} K^{-1} Coefficient of thermal (linear) expansion (range 20°C–T)
\rho \frac{kg}{m^3} The density of the material
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