JIS 50N Rail
JIS 50N rail is a high-performance heavy rail engineered to thrive in extreme industrial environments. Forged from premium 55Q, 50Mn, and U71Mn steels, it adheres strictly to JIS E 1101-2001 standards, delivering exceptional load-bearing capacity with a 50.4kg/m weight. Its unique design balances enhanced height and web thickness to handle intense, repeated stress, making it a go-to for heavy crane systems, mining haul routes, and industrial zones where unwavering performance under heavy loads is non-negotiable.
Every rail delivered with traceable quality assurance
JIS 50N Rail Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Rail Size | JIS 50N /50kgN | Rail Type | Heavy Rail |
| Standard | JIS E 1101-2001 | Material | U71Mn |
| Rail Height | 153 mm | Head Width | 65 mm |
| Bottom Width | 127 mm | Web Thickness | 15 mm |
| Weight | 50.40 kg/m | Length | 6-24 m or customized |
For custom lengths or higher-strength materials, please contact our team for tailored production solutions.
JIS 50N Rail Material Parameter
| U71Mn | Mechanical Property | Chemical Composition(%) | |||||||||
| Yield strength | Tensile strength | Elongation | Hardness | C | Si | Mn | S | P | |||
| MPa | kg/mm² | MPa | kg/mm² | min | HBW | ≤ | ≤ | ||||
| — | —- | ≥880 | — | 9% | 260 | 0.65-0.76 | 0.15-0.35 | 1.10-1.40 | 0.030 | 0.030 | |
JIS 50N Rail Applications
Tailored for heavy-duty operations, offering reliable support in scenarios demanding superior strength and long-term durability.
Mining Ore Haulage Foundations
Provides a stable base for large mining trucks, enduring constant motion and resisting dust, shock, and vibration in demanding underground conditions.
Port Crane Trackway Support System
Carries gantry cranes lifting containers in busy ports, resisting bending and fatigue under frequent vertical loads and humid coastal environments.
Industrial Equipment Rail Lines
Ensures smooth movement of forges and line machinery, maintaining alignment and load stability in high-use factory floors and production zones.
Heavy Freight Handling Railways
Supports rail-guided cargo systems in logistics hubs, preventing track sagging under frequent use and stacked weight in high-volume distribution centers.
Glory Rail Custom Processing Services
With decades of engineering experience in rail manufacturing, Glory Rail focuses on delivering precision-engineered crane rail systems designed for demanding industrial applications. Operating under established JIS specifications with ISO-certified quality management, we integrate controlled steel processing and in-process inspection to ensure consistent dimensional accuracy, mechanical performance, and long-term operational reliability.
Full accessory package for JIS 50N Rail Systems
Fishplates (joint bars)
For JIS 50N, our fishplates typically come with four or six bolt holes. Lengths run from 300 mm to 500 mm, thickness 12 mm to 20 mm. A typical bar weighs about 5 lbs (2.27 kg), though exact specs depend on the design code you’re working to. Made from carbon steel – strong enough for light rail applications.
If you need electrical isolation – signal systems, or environments where stray current is a problem – we also supply insulated joint bars made from non‑conductive materials. Those keep stray current where it belongs and improve safety on electrified tracks.
Rail clamps
Clamps stop the rail from shifting sideways. We carry several types: adjustable clamps, weld‑on clamps, and bolt‑down clamps. Pick the one that matches your foundation and load.
Rubber pads (rail seat pads)
Put these under the rail to absorb vibration and impact. Less noise, longer rail life. We offer pads in rubber, polyurethane, and rubber‑plastic composites. You can get continuous full‑length pads or shorter segmented pads – depends on your track layout and how much noise reduction you actually need.
Steel tie plates
These are made from structural grades like Q235B, Q345B, or ASTM A36. Good weldability, good load carrying, and they hold up in most track environments.
Thermite welding kits
For field splicing, we supply complete thermite welding kits. The process uses an exothermic reaction between aluminum and iron oxide to create a high‑strength, fatigue‑resistant joint. No complex power supply needed – you can weld on site quickly. That’s why it’s the go‑to for heavy crane runways and continuous rail installations.
Global Shipping & Logistics: Your Partner in Reliable JIS 50N Rail Delivery
In Glory Rail, shipments of crane rails are coordinated through established logistics networks to ensure timely delivery to major ports worldwide, supported by flexible transport arrangements tailored to project schedules.
We ship crane rails from China to major industrial ports worldwide, including Rotterdam, Hamburg, Singapore, and other global terminals, via sea, air, or multimodal transport.
Seaworthy Packaging: Rails are coated for corrosion protection and secured with waterproof wrapping and steel strapping for ocean transport stability. Small components such as clamps and bolts are packed separately with reinforced protection.
Supply Chain & Custom Production: With over 20 years of export experience, Glory Rail works with leading steel mills such as Ansteel and Baowu Group, supporting customized rail production including length adjustment and drilling, with direct factory-to-port shipment.
