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Rail Shoulder

Your Professional Rail Shoulder Supplier

HENAN GNEE RAIL CO.,LTD. is a leading Chinese manufacturer and exporter specializing in rail fastening systems and rail joints. Our core product portfolio includes steel rails, rail fasteners, bolts, nuts and screws, base plates, pads and insulating components, as well as fishplates and anchors.

High-Quality Products

Equipped with advanced manufacturing equipment and a rigorous quality control system, our facility ensures consistent strength, durability, and performance across all production batches.

Customized Solutions

We accept OEM and ODM orders and provide comprehensive, one-stop solutions tailored to the needs of international railway infrastructure projects.

Quality Certifications

GNEE RAIL holds multiple internationally recognized certifications, including CNAS (China National Accreditation Service for Conformity Assessment), ISO 9001, CE, and SGS, demonstrating our compliance with global quality and safety standards.

Global Market Presence

GNEE RAIL maintains an established global supply footprint, delivering engineered track components and fastening assemblies to key transportation networks, industrial zones, and maritime ports across multiple continents.

Specification

Material	Material Chemical Composition (%)					Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)
Material	C	Si	Mn	P	S	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)
QT400-15 (GGG40)	3.6-.36	3.0-3.2	0.5	0.07	0.02	400	250	15
QT450-10 (GGG45)	3.4-3.9	3.7-3.0	0.5	0.07	0.03	450	310	10
QT500-7 (GGG50)	3.4-3.8	2.5-2.9	0.6	0.08	0.025	500	320	7

Function of Rail Shoulder

Load Distribution

Rail shoulders help distribute the vertical loads from the rails and passing trains evenly onto the sleepers. This prevents excessive stress on individual sleepers and the underlying trackbed, enhancing the overall stability of the track.

Cushioning and Protection

Rail shoulders serve as a cushion between the rail and the sleeper, reducing direct contact and preventing damage due to impact and vibration. This can extend the lifespan of both the rail and the sleeper.

Vibration Damping

The use of rail shoulders can help dampen vibrations generated by passing trains, leading to reduced noise levels and a more comfortable environment for nearby residents.

Rail Alignment

Rail shoulders also play a role in maintaining proper rail alignment, ensuring that the rails stay in position and maintain the correct gauge (distance between the rails).

Applications of Rail Shoulder

High-speed rails

Providing stable support to prevent rails from displacement.

Urban rail transportation

The rail shoulder is conducive to increasing the durability and safety of the urban rail transportation systems such as the subway and the light rail.

Heavy-haul transportation

Rail should effectively share the load from heavy-haul lines to ensure long-term stability and safety.

Rail Cast Iron Shoulder For Railway Fastening System

Rail Shoulder Installation Steps

Preparation

Clean the rail base and sleeper surface to remove rust, debris, or old fasteners. Check the rail shoulder for defects (cracks, warping) before installation.

Positioning

Place the cast iron rail shoulder snugly against the rail foot, ensuring proper alignment with the rail gauge. Verify that the shoulder fits securely without gaps (use a feeler gauge for precision).

Fastening

Insert shoulder bolts or clips (e.g., Pandrol e-clips, SKL-12) to hold the shoulder in place. Torque bolts to 200–250 Nm (manufacturer specifications may vary).

Final Inspection

Ensure the rail shoulder provides firm lateral support to prevent rail roll. Check for proper contact between the shoulder and rail base to avoid uneven load distribution.

Ordering Process

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Packaging and Shipping

Packaging	Packed in durable wooden boxes or reinforced cartons. Custom packaging solutions are available for specialized requirements.
Shipping	Shipping by sea, by air, by express are acceptable. According to your requirements.

Our Factory

HENAN GNEE RAIL CO.,LTD. is one of China's leading exporters of railway equipment, with decades of experience in delivering high-quality rail solutions worldwide.

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Our Certificates

GNEE RAIL Registration Certificate

TSI

FAQ

Q: What is a rail shoulder?

A: A rail shoulder is a cast iron or steel component embedded in a concrete railway sleeper, or tie. It works in conjunction with elastic rail clips to secure the rail.

Q: How do rail shoulders help maintain track stability?

A: By holding the rail clips, rail shoulders prevent the rails from moving longitudinally or laterally under the stress of train traffic and temperature fluctuations.

Q: What materials are commonly used for cast-in rail shoulders?

A: Cast-in rail shoulders are typically made from cast iron, such as malleable iron or spheroid graphite iron.

Q: What is the process for installing a cast-in rail shoulder?

A: Cast-in rail shoulders are embedded into the concrete during the manufacturing of the sleeper, ensuring they are positioned correctly and securely.

Q: What are some signs of a defective or failing rail shoulder?

A: Defects can include cracks, warping, or a loose fit that allows the rail clip to move. This can lead to rail misalignment.

Q: How do rail shoulders contribute to a longer track service life?

A: By providing stable support and uniformly distributing the load from trains, they reduce deformation and wear on both the rails and sleepers.

As one of the leading rail shoulder manufacturers and suppliers in China, we warmly welcome you to buy high-grade rail shoulder for sale here from our factory. All customized products are with high quality and competitive price.