1.3949 (X5MnCrNiN18-13)

Classification

Country Section Category
Germany Alloy Miscellaneous Steels Materials with Special Physical Properties and with Ni

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, % Nb, % Mo, % N, %
61.43–69.2 < 1 17–19 12–14 1.5–3 < 0.06 < 0.08 < 0.03 < 0.25 0.2–0.8 0.1–0.35

Information on suppliers

Physical characteristics

Temperature, °C E⋅109, MPa α⋅106, K−1 ρ, kgm3 R⋅10−6, Ω⋅m
20 195 7900 0.7
100 16.5
200 17.5
300 18.5
400 19.5

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers σU, MPa σ0.2, MPa ϵL, % KU, J Treatment
650–850 < 320 < 40 > 85 hardening
690–880 < 390 < 35 > 103 Hot-cold treatment
780–980 < 490 < 25 < 69 Cold processing

Standards

Standard Description
SEW390
WW

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ni % Nickel
P % Phosphorus
C % Carbon
S % Sulfur
Nb % Niobium
Mo % Molybdenum
N % Nitrogen

Description of physical characteristics

Parameter Units of measurement Description
E⋅109 MPa Elastic modulus
α⋅106 K−1 Coefficient of thermal (linear) expansion (range 20°C–T)
ρ kgm3 The density of the material
R⋅10−6 Ω⋅m 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