How many types of rails are there?

A steel rail is an engineered steel profile that functions as the primary interface between rolling stock and track, ensuring safety, stability, and durability in railway or industrial transport systems. Its cross-sectional design balances load distribution, bending resistance, and wear performance. GNEE RAILWAY RAILWAY provides rails in all internationally recognized standards, including light and heavy GB rails, UIC50–UIC60, DIN536 A55–A120, JIS CR73/CR100, QU70–QU120, AS1085 31–89 kg, BS11:1985, and AREMA/ASCE 25–175 lb, complemented by cutting, machining, and pre-assembly services.

How many types of rails are there?

There are three primary, traditional types of railway rail sections: Flat-footed (Vignoles), Bull-headed, and Double-headed rails. Modern rail networks primarily use flat-footed rails, which account for about 90% of tracks globally due to their stability and ease of installation. Other types include specialized crane, grooved, and conductor rails.

Key Types of Rail Sections:

• Flat-footed Rails: The standard in modern, high-speed, and heavy-haul tracks, they have a wide base for direct fastening to sleepers.

• Bull-headed Rails: Feature a thicker, stronger head designed for better wear, often used in older, specialized tracks or points and crossings.

• Double-headed Rails: An older design with identical top and bottom, intended to be flipped, but rarely used now due to maintenance issues.

Other Rail Classifications:

• Crane Rails: Specifically designed for heavy-duty lifting, including DIN and American crane rails.

• Grooved Rails: Used extensively for tramways and street-running rail.

• Conducting Rails: Used to supply electricity, commonly found in subway systems

How to choose the right type of steel rail?

Choosing the right steel rail requires matching the rail's weight, material, and profile to the specific traffic load, speed, and environmental conditions. Key factors include selecting heavy-duty rails (e.g., 60kg/m or higher) for high-speed/heavy-haul lines and lighter rails for industrial use, ensuring sufficient strength, durability, and compliance with standards like AREA, BS, or UIC.

Determine Load and Traffic Requirements

• Axle Load & Density: High-density traffic and heavy axle loads (e.g., freight) require heavier rails (60kg/m, 75kg/m) to prevent structural failure and deformation.

• Speed: Higher speed tracks require heavier, smoother rail sections (e.g., 60kg/m and above) to ensure stability and safety.

• Rail Weight (kg/m): Common types range from light rails (9–22kg/m for mining/factories) to heavy rails (50kg/m, 60kg/m, 75kg/m for mainlines).

Analyze Environmental Conditions

• Temperature: In cold climates, choose rails with high fracture toughness to prevent brittle failure.

• Corrosion: In coastal or industrial, chemical-intensive environments, utilize corrosion-resistant steel or coatings to prevent rusting.

• Curvature: Tight curves (R<800m) require specialized, wear-resistant, high-strength steel to handle increased lateral forces.

Select Material and Profile Standards

• Steel Grade & Hardness: Choose based on strength and wear resistance. Higher hardness (e.g., R350HT) is better for heavy-haul, while softer steel may be needed for specific, flexible, or high-toughness applications.

• Standards: Ensure the rail matches local or project-specific standards (e.g., AREMA, BS, UIC, JIS) to ensure compatibility with fastening systems and sleepers.

Performance Factors

• Wear Resistance & Toughness: The rail must balance hardness (for wear) and toughness (to avoid brittle fractures).

• Weldability: For Continuous Welded Rail (CWR) applications, the rail must have good weldability to reduce joints and maintenance.

Since 2008, GNEE RAILWAY RAILWAY has been supplying steel rails of different grades for more than 18 years, steel rails from GNEE RAILWAY is highly recommened in China and abroad.Wtih cutting edge equipment, GNEE RAILWAY produces high quality steel rails that meet with requirements of most countries. Standard rail, head hardened rail, heavy rail,light rail,crane rail and other types are all available here, as one of the China main rail supplier, GNEE RAILWAY RAILWAY has been working on supplying economical green railway products all over the world.

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