PT70

for the manufacture of rails designed for installation on narrow gauge railway roads.

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % As, % P, % C, % S, %
GOST 5876 - 82 98.315–99.33 < 0.13 < 0.5 < 0.15 < 0.04 0.67–0.82 < 0.045

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ Treatment
Alloy GOST 5876 - 82 740

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy 259

Standards

Standard Description
GOST 5876 - 82

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
As % Arsenic
P % Phosphorus
C % Carbon
S % Sulfur

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength