YS/T 919-2013 High purity copper ingot
This standard specifies the product requirements, manufacturing conditions, testing methods, inspection rules, marking, packaging, transportation, storage, quality certificates, and contract (or order form) contents for high-purity copper ingots.
This standard applies to high-purity copper ingots required for the manufacture of copper targets for semiconductors. High-purity copper ingots required by other industries can also be used as a reference.