Braziery Copper consists of copper that are already tinned, soldered, brazed or painted. The copper in this category of scrap often contains items which other grades normally doesn’t have. It should be at least 95% copper and can contain even up to 5% brass. However, it must be free of other iron contaminants. Scrap items such as painted piping, brazier, jointing, etc. are generally classified as Mixed Copper Scrap.