Primary standard name
Equivalent standard names
Chemical composition
Element
Weight %
Comment
18 - 20 %
8 - 10.5 %
2 %
1 %
0.1 %
Element
Weight %
Comment
16 - 18 %
10 - 14 %
2 - 3 %
2 %
1 %
Mechanical
Elastic modulus, E
195 GPa at 23 °C
195 GPa at 23 °C
Shear modulus, G
77 GPa at 23 °C
77 GPa at 23 °C
Poisson's ratio, ν
0.3 [-] at 23 °C
0.3 [-] at 23 °C
General
Density, ρ
7.9 - 8.2 g/cm³ at 23 °C
7.9 - 8.2 g/cm³ at 23 °C
Electrical
Electrical resistivity, ρel
8.5E-7 Ω·m at 23 °C
8.5E-7 Ω·m at 23 °C
Thermal
Coefficient of thermal expansion, α
1.7E-5 - 1.9E-5 1/K at 23 °C
1.7E-5 - 1.9E-5 1/K at 23 °C
Thermal conductivity, λ
11 - 21 W/(m·K) at 23 °C
11 - 21 W/(m·K) at 23 °C
Melting point, Tm
1230 - 1480 °C
1230 - 1480 °C
Specific heat capacity, cp
440 J/(kg·K) at 23 °C
440 J/(kg·K) at 23 °C