2.4851 (NiCr23Fe)

Filler material 2.4649

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, % B, % Mn, % Cr, % Ti, % Cu, % Ni, % Al, % P, % C, % S, %
< 18 < 0.5 < 0.006 < 1 21–25 < 0.5 < 0.5 58–63 1–1.7 < 0.02 0.03–0.1 < 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 11.3 8100 0.45 1.19
400 14.8
800 16.7
1000 17.7

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{0.2}, MPa \epsilon_L, % Treatment
solution annealing 550–750 205 30

Brinell hardness number

Rolling Standard Classifiers Value, HBW
solution annealing 220

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Mn % Manganese
Cr % Chrome
Ti % Titan
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_{0.2} MPa Tensile stress required to produce a total elongation of 0.2%
\sigma _{U} MPa Ultimate tensile strength
\epsilon_L % Elongation at break (longitudinal)