1.4745 (GX40CrSi24)

Classification

Country Section Category
Germany Stainless and Heat Resisting Steels Heat Resistant Steels with Ni < 2.5%

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, % Mo, %
EN 10295 68.43–75.7 1–2.5 < 1 23–26 < 1 < 0.04 0.3–0.5 < 0.03 < 0.5

Information on suppliers

Physical characteristics

Temperature, °C α106, K1 ϰ, WmK ρ, kgm3 c103, JkgK
20 18.8 7600 0.5
400 12
800 14
1000 16

Standards

Standard Description
EN 10295

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
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)