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Name of aluminum alloy

Date: 2019-06-12 14:37
(1) Nomenclature of pure aluminum: pure aluminum when the aluminum content is not less than 99.00%, and its grade is represented by 1XXX series. The last two digits of the grade indicate the minimum aluminum content. When the minimum aluminum percentage is accurate to 0.01%, the last two digits of the grade are the two digits after the decimal point in the lowest aluminum percentage. The second letter of the grade indicates the modification of the original pure aluminum. If the second letter is A, it means original pure aluminum; if it is B~Y other letters (in alphabetical order according to international regulations), it means the original pure aluminum modification, and the original pure aluminum In comparison, its elemental content has changed slightly.
 
(2), the nomenclature of aluminum alloy: the grade of aluminum alloy is represented by 2XXX~8XXX series. The last two digits of the grade have no special meaning and are only used to distinguish between different aluminum alloys in the same group. The second letter of the grade indicates the modification of the original alloy. If the letter of the second digit of the grade is A, it is expressed as the original alloy; if it is the other letter of B~Y (selected in alphabetical order according to international regulations), it is expressed as the modified alloy of the original alloy.
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