U75V QU120 Heat Treated Crane Rail

Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of u75v qu120 heat treated crane rail in China, also supports customized service with low price. Please feel free to buy cheap u75v qu120 heat treated crane rail made in China here from our factory.

GB crane rails are special rail steels produced according to national standards, with QU series (QU70, QU80, QU100, QU120) as the main specifications, used to support the stable operation of various types of lifting machinery. Made by a special rolling process, the rail head hardness reaches HB300-380, and the tensile strength is 900-1100MPa. It has high strength, high wear resistance and good impact resistance, and can withstand frequent heavy-load rolling and impact of cranes.

The unique trapezoidal cross-section design makes the rail waist tilt toward the rail head, optimizes the wheel-rail force distribution, and reduces running resistance and wear; the arc shape of the rail head fits closely with the crane wheel to ensure smooth operation. From industrial plants to port terminals, from daily cargo handling to heavy equipment lifting, GB crane rails provide solid and stable rail support for various lifting operations with diversified specifications, reliable materials and scientific structural design.

U75V material features:

Compared with QU crane rails made of ordinary materials, U75V material itself has higher strength and certain toughness. After proper heat treatment, its performance can be further improved, such as tensile strength and hardness, so that it can better adapt to the complex stress conditions during crane operation, including bearing large loads, wear and impact.

The purpose of heat treatment: The heat treatment of U75V QU120 crane rails is mainly to improve the organizational structure of the rails, thereby improving their mechanical properties, meeting the requirements of high strength, high wear resistance, good toughness, etc. in actual use of crane rails, extending the service life of the rails, and reducing wear, deformation, fracture and other problems during use.

Common heat treatment processes and effects:

Quenching: It can increase the hardness and strength of the rail head and make the rail surface more wear-resistant, but it may reduce toughness. Therefore, it is usually necessary to cooperate with the tempering process.

Tempering: eliminate quenching stress and adjust the balance between hardness and toughness, so that the rail has a certain hardness and wear resistance, and has enough toughness to withstand loads such as impact and vibration during crane operation.

In the field of foreign trade of steel products, GNEE RAIL provides GB QU crane rails as its core business, serving the global industrial market. As a key component of heavy equipment, the quality of crane rails directly affects the safety and stability of the lifting system. Our products strictly follow the GB QU standards, have excellent hardness and toughness, and can adapt to high-intensity and high-frequency operating environments. Through years of industry accumulation, we have a deep understanding of the needs of customers in different regions, and can provide suitable rail specifications and technical support according to specific application scenarios. Whether it is bulk procurement or customized needs, we can provide customers with satisfactory services with a rigorous attitude and efficient execution.

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