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See Chinese contents: GB/T 17396-2022 GB/T 17396-2022: Seamless hot-rolled steel tubes for hydraulic pillar service
This document specifies the order content, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of seamless hot-rolled steel tubes for hydraulic pillar service. This document applies to the seamless hot-rolled steel tubes for cylinders and pillars used in the manufacture of coal mine hydraulic support cylinders and pillars. It also applies, as a reference, to seamless hot-rolled steel tubes for other hydraulic cylinders and pillars.
