2.4952

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, % Al, % P, % C, % S, %
< 1.5 < 1 < 0.008 < 1 < 1 18–21 1.8–2.7 < 0.2 > 65 1–1.8 < 0.02 0.04–0.1 < 0.015

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{0.2}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % $$KV_{L}$$, $$J$$ Treatment
solution annealing 1100–1400 725 15 25 20
aging 1000 600 18

Твёрдость по Роквеллу

Rolling Standard Classifiers Value, HRC
solution annealing 32

Analogues

CIS, Russia, Ukraine
HN77TYUR (EI437B)

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
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur

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)
$$\psi$$ % Reduction in cross section on fracture
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)