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