M54 (Steel 54)
for the manufacture of two-headed space-hardened oil pads, used for docking the broad gauge railways rail connections
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 4133 - 73 | 98.01–98.9 | 0.15–0.35 | 0.5–0.85 | < 0.08 | < 0.04 | 0.45–0.62 | < 0.05 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|
| Alloy | GOST 4133 - 73 | 844 | 530 | 30 | 10 | hardening |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| Alloy | GOST 4060-78 | Hardening | 235–388 |
Standards
| Standard | Description |
|---|---|
| GOST 4133 - 73 |
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 |
|---|---|---|
| d5 | % | Elongation at break |
| $$\sigma_{Y}$$ | $$MPa$$ | Yield strength |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\psi$$ | % | Reduction in cross section on fracture |