The 43kg heavy steel rail is mostly used for the transportation of large mine tunnels and factory workshops, crane hoisting equipment, and the laying of special railway lines.
Specification
| type | weight (kg/m) | material | length (m) |
| 43kg | 44.653 | 50Mn/U71Mn | 12m/12.5m |
| rail height (mm) | bottom width (mm) | head width (mm) | web thickness (mm) |
| 140 | 114 | 70 | 14.5 |
Drawing
