This part of GB/T 3880 specifies the tolerances on forms and dimensions for wrought aluminium and aluminium alloy plates, sheets and strips for general engineering.
It is applicable to wrought aluminium and aluminium alloy rolled plates, sheets and strips for general engineering.
2 Classification and Grading
2.1 Type of aluminium or aluminium alloy
Aluminium and aluminium alloys are classified into Types A and B, as shown in Table 1.
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2.2 Grade of tolerance on dimension
The grade of tolerance on dimension for plate, sheet and strip is as shown in Table 2.
