1.3805 (X35Mn18)

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Ni, % P, % C, % S, % N, %
SEW390 78.41–82.7 < 1 17–19 < 1 < 0.06 0.3–0.4 < 0.03 < 0.1

Information on suppliers

Physical characteristics

Temperature, °C E109, MPa α106, K1 ρ, kgm3 R106, Ωm
20 190 7800 0.7
100 16.5
200 18.3
300 19.4
400 20.3

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers σU, MPa σ0.2, MPa ϵL, % KU, J Treatment
650–900 < 240 < 22 > 55 hardening

Standards

Standard Description
SEW390

Description of chemical elements

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

Description of physical characteristics

Parameter Units of measurement Description
E109 MPa Elastic modulus
α106 K1 Coefficient of thermal (linear) expansion (range 20°C–T)
ρ kgm3 The density of the material
R106 Ωm Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
σ0.2 MPa Tensile stress required to produce a total elongation of 0.2%
σU MPa Ultimate tensile strength
ϵL % Elongation at break (longitudinal)
KU J Impact energy