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See Chinese contents: GB/T 12756-2018 GB/T 12756-2018: Zinc-coated steel wire ropes for high-pressure rubber hose
This Standard specifies the terms and definitions, classification and marking, order content, dimensions, shape, weight and allowable deviations, technical requirements, inspection, test, acceptance, packing, quality assurance period, storage, transport, marking, and quality certificate of zinc-coated steel wire ropes for high-pressure rubber hose. This Standard applies to zinc-coated steel wire ropes for the skeleton reinforcing material of high-pressure rubber hose. The steel wire ropes for the reinforcing material of other rubber hoses, plastic hoses, and composite hoses can also be implemented with reference to this Standard.
