α⋅106
K−1
ϰ
Wm⋅K
ρ
kgm3
c⋅10−3
Jkg⋅K
R⋅10−6
Ω⋅m
σU
MPa
σ0.2
MPa
ϵL

1.4945 (X6CrNiWNbN16-16)

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, % Nb, % N, % W, %
57.91–66.1 0.3–0.6 < 1.5 15.5–17.5 15.5–17.5 < 0.035 0.04–0.1 < 0.015 < 1.2 0.06–0.14 2.5–3.5

Information on suppliers

Physical characteristics

Temperature, °C \alpha\cdot 10^{6}α⋅106, K^{-1}K−1 \varkappaϰ, \frac{W}{m\cdot K}Wm⋅K \rhoρ, \frac{kg}{m^3}kgm3 c\cdot 10^{-3}c⋅10−3, \frac{J}{kg\cdot K}Jkg⋅K R\cdot 10^{-6}R⋅10−6, \Omega\cdot mΩ⋅m
20 15 7900 0.5 0.86
100 15.7
200 16.7
300 17.1
400 17.4
500 17.6
600 17.8
700 18

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}σU, MPaMPa \sigma_{0.2}σ0.2, MPaMPa \epsilon_LϵL, % Treatment
solution annealing 540–740 250 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
Nb % Niobium
N % Nitrogen
W % Tungsten

Description of physical characteristics

Parameter Units of measurement Description
\alpha\cdot 10^{6}α⋅106 K^{-1}K−1 Coefficient of thermal (linear) expansion (range 20°C–T)
\varkappaϰ \frac{W}{m\cdot K}Wm⋅K Coefficient of thermal conductivity (the heat capacity of the material)
\rhoρ \frac{kg}{m^3}kgm3 The density of the material
c\cdot 10^{-3}c⋅10−3 \frac{J}{kg\cdot K}Jkg⋅K The specific heat of the material (range 20°C–T)
R\cdot 10^{-6}R⋅10−6 \Omega\cdot mΩ⋅m Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
\sigma_{0.2}σ0.2 MPaMPa Tensile stress required to produce a total elongation of 0.2%
\sigma _{U}σU MPaMPa Ultimate tensile strength
\epsilon_LϵL % Elongation at break (longitudinal)