2.4869 (NiCr80-20)

Classification

Country Section Category
Germany Alloy DIN 17007−4 Ni Alloys with Co, Cr and Mo Co Alloys with Cr, Ni and Mo

Chemical composition

Standard Fe, % Si, % Mn, % Co, % Cr, % Cu, % Ni, % Al, % P, % C, % S, %
< 1 0.5–2 < 1 < 1 19–21 < 0.5 < 75 < 0.3 < 0.02 < 0.15 < 0.015

Information on suppliers

Physical characteristics

Temperature, °C $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 15 8300 0.42 1.12
100 1.13
200 1.13
300 1.14
400 15 1.15
500 1.16
600 1.15
700 1.14
800 16 1.14
900 1.14
1000 17 1.15
1100 1.16
1200 1.17

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
< 650
0.02–0.63 < 8
0.63–0.125 < 14
0.125–0.5 < 18
0.5–1 < 18
> 1 < 25

Analogues

CIS, Russia, Ukraine
Cr20Ni80-H

Description of chemical elements

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

Description of physical characteristics

Parameter Units of measurement Description
$$\alpha\cdot 10^{6}$$ $$K^{-1}$$ Coefficient of thermal (linear) expansion (range 20°C–T)
$$\varkappa$$ $$\frac{W}{m\cdot K}$$ Coefficient of thermal conductivity (the heat capacity of the material)
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material
$$c\cdot 10^{-3}$$ $$\frac{J}{kg\cdot K}$$ The specific heat of the material (range 20°C–T)
$$R\cdot 10^{-6}$$ $$\Omega\cdot m$$ Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)