1.4948 (X6CrNi18-10)

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, % N, %
66.77–74.96 < 1 < 2 17–19 8–11 < 0.035 0.04–0.08 < 0.015 < 0.1

Information on suppliers

Physical characteristics

Temperature, °C α106, K1 ϰ, WmK ρ, kgm3 c103, JkgK R106, Ωm
20 17 7930 0.45 0.71
100 16.3
200 16.9
300 17.3
400 17.8
500 18.2
600 18.5
700 18.7

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers σU, MPa σ0.2, MPa ϵL, % ϵT, % KVL, J KVT, J Treatment
annealing, soft 510–740 190–230 45 100 60
solution annealing 490–700 185 40 30

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
N % Nitrogen

Description of physical characteristics

Parameter Units of measurement Description
α106 K1 Coefficient of thermal (linear) expansion (range 20°C–T)
ϰ WmK Coefficient of thermal conductivity (the heat capacity of the material)
ρ kgm3 The density of the material
c103 JkgK The specific heat of the material (range 20°C–T)
R106 Ωm 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)
\epsilon_T % Elongation at break (transverse)
KV_{L} J Impact energy (longitudinal)
KV_{T} J Impact energy (transverse)