The 50Mn P50 track heavy steel rail is a high-strength rail widely used in mainline railways, industrial tracks, and mining transportation, offering excellent wear resistance and fatigue strength. GNEE RAIL specializes in supplying P38, P43, P50, P60, and P75 heavy rails, along with rail clips, screw spikes, fish plates, and rail pads, providing a one-stop rail solution.

| Size | Rail Height(mm) A |
Base Width(mm) B |
Head Width(mm) C |
Web Thickness(mm) t |
Weight(kg/m) |
|---|---|---|---|---|---|
| 38kg | 134 | 114 | 68 | 13 | 38.73 |
| 43kg | 140 | 114 | 70 | 14.5 | 44.65 |
| 50kg | 152 | 132 | 70 | 15.5 | 51.51 |
| 60kg | 176 | 150 | 73 | 16.5 | 60.64 |
| 75kg | 192 | 150 | 75 | 20 | 74.41 |
| 50Mn | Mechanical property | Chemical Composition(%) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yield Strength |
Tensile Strength |
Elongation | Hardness | C | Si | Mn | S | P | Cr | Ni | Cu | |||
| MPa | kg/mm² | MPa | kg/mm² | min | HB | ≤ | ≤ | ≤ | ≤ | ≤ | ||||
| ≥390 | ≥40 | ≥645 | ≥66 | ≥13% | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | 0.025 | 0.025 | 0.025 | ||
This product conforms to the Chinese GB standard (GB2585-2007), with a rail height of 152mm, base width of 132mm, web thickness of 15.5mm, head width of 70mm, weight of 51.51kg/m, and length customizable from 12 to 25 meters. Made from high-quality 50Mn steel and processed with advanced heat treatment, it maintains long-term stability under heavy loads and high-frequency use. Compared with ordinary rails, 50Mn rails offer superior wear resistance and toughness, making them ideal for high-speed railways, heavy-duty lines, and industrial workshops.

With extensive experience and technical support in rail supply, GNEE RAIL promises high-quality products, comprehensive after-sales service, and third-party inspection certification. In addition to P50 heavy rails, the company supplies P38, P43, P60, P75 heavy rails, QU series crane rails, light rails, and railway fasteners, ensuring clients a complete rail construction solution.






