H50
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 | 98.585–99.6 | < 0.13 | < 0.5 | < 0.15 | < 0.04 | 0.4–0.55 | < 0.045 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | Treatment |
|---|---|---|---|---|---|---|
| Alloy | GOST 5876 - 82 | 570 |
Brinell hardness number
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 |