75kg Rail

The 75kg rail is a premium heavy rail engineered for extreme-load railway applications, strictly adhering to the GB2585-2021 national standard. Crafted from U71Mn alloy steel, this rail features a precise weight of 74.414kg per meter, delivering unmatched strength and durability for high-axle-load networks. Designed to withstand heavy freight, industrial machinery, and rigorous operational conditions, it is the go-to choice for mainline railways, heavy-haul routes, and critical infrastructure projects requiring robust performance and long-term reliability.

Every rail delivered with traceable quality assurance

75kg Rail Specifications

Parameter	Value	Parameter	Value
Rail Size	75kg	Rail Type	Heavy Rail
Standard	GB2585-2021	Material	U71Mn
Rail Height	192 mm	Head Width	72 mm
Bottom Width	150 mm	Web Thickness	20 mm
Weight	74.414 kg/m	Length	12.5 m or customized

For custom lengths or higher-strength materials, please contact our team for tailored production solutions.

75kg Rail Material Parameter

Constructed from U71Mn—a GB-standardized high-strength steel—the 75kg heavy rail offers a robust mechanical profile, including a yield strength of ≥880 MPa, 9% minimum elongation, and optimized chemical composition, ensuring superior resistance to wear, fatigue, and heavy dynamic loads.

U71Mn	Mechanical Property						Chemical Composition(%)
	Yield strength		Tensile strength		Elongation	Hardness	C	Si	Mn	S	P
	MPa	kg/mm²	MPa	kg/mm²	min	HBW	C	Si	Mn	≤	≤
	—	—-	≥880	—	9%	260	0.65-0.76	0.15-0.35	1.10-1.40	0.030	0.030

Applications of 75kg Rail

Industrial and Mining

Used in mining complexes, steel plants, and port logistics for heavy machinery, cranes, and conveyor systems.

Mainline Infrastructure

Supports national railway networks for both passenger and freight services, ensuring stability under frequent traffic.

Heavy-Haul Railways

Ideal for high-tonnage freight routes (e.g., coal, iron ore transport) requiring rails to withstand axle loads of 25+ tons.

Specialized Projects

Suitable for industrial railways, military tracks, and large-scale construction sites with demanding load requirements.

Advantages of Our 75kg Rail

National Standard Compliance

Meets GB2585-2021 specifications for dimensional accuracy and mechanical properties, ensuring seamless integration with China’s rail systems.

Exceptional Durability

U71Mn steel composition provides high wear resistance and fatigue strength, reducing maintenance costs and extending service life in harsh environments.

Abundant Inventory

As a GB-standard conventional rail, it is stocked in large quantities for rapid delivery, minimizing project delays.

Enhanced Stability

The robust 192mm rail height and 150mm base width optimize track stability, reducing vibration and noise in high-traffic scenarios.

75kg Rail Custom Processing Services

Glory Rail offers tailored solutions to meet project-specific needs:

Length Customization: Rails can be cut to precise lengths (e.g., 6–25m) for seamless track alignment in unique layouts.
Surface Treatments: Optional heat treatment for increased hardness or anti-corrosion coatings for coastal or corrosive environments.
Pre-Machining: Pre-drilled bolt holes, welded ends, or milled surfaces for faster installation and reduced on-site labor.
Bespoke Inspections: Third-party quality certification (e.g., SGS, BV) available to meet international project requirements.

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 GB 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.

Build a Complete 75kg Rail System

Get high-strength rails and essential components all in one place — simplified sourcing, superior quality.