GB 50kg/m heavy rail (P50/R50) is a heavy-haul railway track material conforming to China's national standard GB2585-2007, with a unit weight of 51.514kg/m. It is made of high-carbon manganese steel (50Mn/U71Mn), featuring both high strength and anti-fatigue properties. It is specially designed for scenarios subject to dynamic load impact of locomotives and high-frequency rolling, and is applicable to national railway trunk lines, subways and industrial transportation lines.

Chinese Standard 50KG Heavy Rail Specifications
Bottom Width: 132mm
Web Thickness: 15.5mm
Head Width: 70mm
Rail Height: 152mm
Material: U71Mn
Length: 6-12, 12.5-25m or custom lengths as required
Weight: 51.514kg/m
Standard: GB2585-2007 Heavy rail
Key Features & Advantages: of GB 50kg Heavy Rail
- High-strength structure: It has excellent bending and shear resistance, and can adapt to high-frequency heavy-load operation.
- Precise rail profile design: The rail head is wide, which is compatible with various wheel flange structures, ensuring stable operation.
- Standardized production: It is manufactured in strict accordance with the GB 2585-2007 standard, with reliable quality.
- Excellent surface treatment: The rail surface is smooth and has strong wear resistance, which extends the service life.
- Strong versatility: It has high compatibility with various domestic and foreign fasteners, sleepers and turnout systems.
- Compatibility: When laid together with QU80 crane rails, the height difference can be adjusted through backing plates.
To meet the diverse requirements of rail installation, underground transport, and industrial logistics, GNEE RAIL offer a full range of processing and customization services for GB2585-2007 standard heavy steel rails for sale, covering models from 38kg to 75kg.
GB/T Standard 50kg Heavy Rail Material Strength

Choosing GNEE RAIL means more than just acquiring high-quality P50 rails that meet the GB2585-2007 standard. We provide comprehensive customized services to meet your project's specific needs:
Custom Processing: We support customized length cutting, precision drilling, end milling, and cold/hot bending.
Complete Accessories: We supply matching fishplates, bolts & nuts, rail clips, sole plates, and rubber pads.
Expert Support: From product selection to logistics, our expert team offers seamless professional support.
If your project requires a robust and durable rail solution, GNEE RAIL is your trusted partner. Please visit our website for more details and contact us immediately for free technical advice and a competitive quote.

