Alloy 63

for the manufacture of crane rails Special profiles KR70 types KR80, KR100, KR120, KR140, used for paths of cranes.

Classification

Country Section Category
CIS, Russia, Ukraine Steels for special purposes Steel for rail transport

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % As, % P, % C, % S, %
GOST 4121 - 96 96.84–98.72 0.15–0.35 0.6–1 < 0.3 < 0.3 < 0.3 < 0.08 < 0.05 0.53–0.73 < 0.05

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ d5, % Treatment
Alloy GOST 4121 - 96 730 370 6

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy GOST 4121 - 96 212

Standards

Standard Description
GOST 4121 - 96

Description of chemical elements

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

Description of mechanical properties

Parameter Units of measurement Description
d5 % Elongation at break
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength