New Standard Released | GB/T 47605-2026 Takes Effect, Bringing Quality Upgrade to Precision Steel Tubes for High-Pressure Hydraulic Tubes of Construction Machinery

Recently, GB/T 47605-2026 Welded Steel Tubes for High-Pressure Hydraulic Tubes of Construction Machinery has been issued. It sets stricter requirements on dimensional accuracy, surface finish, pressure resistance and flaw detection of steel tubes for high-pressure hydraulic lines, advancing the standardized and high-quality development of supporting hydraulic pipes.

The stable operation of hydraulic cylinders relies on high-quality precision steel tubes as base materials. Our company specializes in the production of precision steel tubes and hydraulic cylinders. We keep benchmarking against the latest industry standards, with strict control over tube tolerance, honing precision and cleanliness. We supply highly reliable hydraulic cylinders and matching precision steel tubes for construction machinery, mining equipment and other sectors, supporting the high-quality localization of hydraulic equipment.

We will continue to follow updates of industry standards and optimize manufacturing processes to deliver solutions that meet the new standard for our customers.