This document stipulates the basic requirements, technical requirements, classification and codes, test methods, inspection rules, markings, packaging, quality certificates and storage, and quality commitments for hot-rolled seamless steel pipes for hydraulic cylinders. This document applies to hot-rolled seamless steel pipes (hereinafter referred to as steel pipes) for hydraulic cylinder series equipment.
T/ZZB 2892-2022 history
2022T/ZZB 2892-2022 Seamless hot-rolled steel tubes for hydraulic cylinders