GB/T 3880.3-2012 in English

《GB/T 3880.3-2012一般工业用铝及铝合金板、带材 第3部分：尺寸偏差》由TC243（全国有色金属标准化技术委员会）归口，TC243SC1（全国有色金属标准化技术委员会轻金属分会）执行，主管部门为中国有色金属工业协会。

1 Scope

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.

Table 2 Grade of Tolerance on Dimension

Foreword i
1 Scope
2 Classification and Grading
3 Requirements
4 Inspection Method for Tolerances on Dimensions
5 Others