2.4878 (NiCr25Co20TiMo)

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, % Co, % Cr, % Ti, % Cu, % Ni, % Zr, % Al, % P, % C, % S, % Mo, % Ta, %
EN 10302 < 1 < 0.5 0.01–0.015 < 0.5 19–21 23–25 2.8–3.2 < 0.2 44.778–52.93 0.03–0.07 1.2–1.6 < 0.01 0.03–0.07 < 0.007 1–2 < 0.05

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{0.2}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
aging 1080 650 15 Heat treatment at 1080 ° C
aging 1100 700 12 Heat treatment at 1100 ° C

Standards

Standard Description
EN 10302

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Mn % Manganese
Co % Cobalt
Cr % Chrome
Ti % Titan
Cu % Copper
Ni % Nickel
Zr % Zirconium
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum
Ta % Tantalum

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)