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See Chinese contents: YS/T 649-2018 YS/T 649-2018: Extruded rod and bar of copper and copper alloys
This standard specifies the requirements, test methods, inspection rules, markings, packaging, transportation, storage, quality certificates and purchase orders (or contracts) for extruded rod and bar of copper and copper alloys. This standard applies to general-purpose round, rectangular (square), hexagonal extruded rod and bar of copper and copper alloys.
