StalGOST5257-98
Production of tires for rail rolling stock
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Steels for special purposes |
Steel for rail transport |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
P, % |
C, % |
S, % |
|---|
| GOST 5257 - 98 |
97.905–98.73 |
0.2–0.45 |
0.5–0.9 |
< 0.035 |
0.57–0.67 |
< 0.04 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
7850 |
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\psi$$, % |
d5, % |
Treatment |
|---|
| Heat-treated steel. |
GOST 5257 - 98 |
|
|
|
900 |
14 |
10 |
|
Brinell hardness number
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| d5 |
% |
Elongation at break |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\psi$$ |
% |
Reduction in cross section on fracture |