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<\/p>\nMolten Aluminium Cff and aluminum ingot production
\nWhat is aluminum ingot?
\nAluminum, the raw material in our daily industry is called aluminum ingot, which should be called “aluminum ingot for remelting” according to Chinese standard (GB\/T1196-93), but everyone is used to “aluminum ingot”.
\nIt is produced by electrolytic method using alumina-cryolite.
\nAfter aluminum ingots enter industrial applications, there are two major categories: cast aluminum alloys and deformed aluminum alloys.
\nCast aluminum and aluminum alloys are aluminum castings produced by casting methods.
\nDeformed aluminum and aluminum alloys are processed products that produce aluminum by pressure processing methods: plates, strips, foils, tubes, rods, profiles, wires, and forgings.
\nAccording to the national standard for aluminum ingots for remelting, “The aluminum ingots for remelting are divided into 6 grades according to chemical composition, namely Al99.85, Al99.80, Al99.70, Al99.60, Al99.50, Al 99.00” ( Note: The number after Al is aluminum content).
\nAt present, some people call it “A 00” aluminum, which is actually aluminum with 99.7% purity, which is called “standard aluminum” on the London market.
\nEveryone knows that China\u2019s technical standards in the 1950s came from the former Soviet Union. \u201cA 00\u201d is the Russian trade mark in the Soviet Union\u2019s national standard. \u201cA\u201d is a Russian letter, not the English \u201cA\u201d, nor Chinese Pinyin. The letter “A”.
\nIn line with international standards, it is more accurate to call “standard aluminum”. Standard aluminum is an aluminum ingot containing 99.7% aluminum, which is registered on the London market.<\/p>\n
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Some of the inclusions in the aluminum alloy come directly from the charge, while most of them are formed during the melting and pouring process, mainly oxide inclusions.<\/p>\n