1.4585 (GX7CrNiMoCuNb18-18)

Classification

Country Section Category
Germany Stainless and Heat Resisting Steels Stainless Steels with Special Additions

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % P, % C, % S, % Mo, %
51.945–60.7 < 1.5 < 2 16.5–18.5 1.8–2.4 19–21 < 0.045 < 0.08 < 0.03 2–2.5

Information on suppliers

Physical characteristics

Temperature, °C α106, K1 ϰ, WmK ρ, kgm3 c103, JkgK
20 15 7900 0.5
100 16.5
200 17
300 17.5
400 18
500 18.5

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers σU, MPa σ0.2, MPa ϵL, % Treatment
440–640 < 175 < 15 hardening

Description of chemical elements

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

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)

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)