[China Aluminum Net] Aluminum scrap is divided into two categories: new scrap aluminum and old scrap aluminum. The former refers to the process wastes generated by aluminum processing companies and casting manufacturers in the manufacture of products, and the products that are scrapped due to unqualified compositions and performance. They are generally returned by the manufacturer to the original brand alloys, and some have also been recycled. Material processing forms are transported to the slabs required for conversion in aluminum electrolysis plants, etc. These new materials will not be counted in the statistics of aluminum scrap. Old waste refers to waste aluminum and aluminum scrap purchased from the society, such as old aluminum doors and windows replaced by renovation and renovation of homes, scrapped automobiles, electrical appliances, machinery, aluminum parts in structures, scrap aluminum cans and various aluminum containers, At the end of the year, aluminum conductors and aluminum metal parts of the power grid, old aluminum kitchen utensils, etc. are used for scrapping, but they also include scraps and waste products that are produced when semi-finished aluminum products are used to process finished aluminum products. Such as the processing of aluminum doors and windows, deep drawing cans, processing of castings and forgings generated when the waste, cuttings and waste parts.
Commonly referred to as scrap aluminum or scrap aluminum is the latter aluminum scrap. Most of them are used for the production of recycled aluminum alloys [Colored Business Opportunity: Aluminum Alloy Profiles]. High-quality scrap with a small fraction of single impurities is also used for the smelting of aluminum alloys with specific components. For example, waste 1350 aluminum wires and cables can be used in large quantities. In smelting 1350 alloys, scrap aluminum cans can be directly smelted to 3004 alloys, and waste aluminum doors and windows can be used to smelt 6063 alloys, but in order to accurately set the components must add a certain amount of original aluminum ingots or alloying element additives.
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