الانحراف المسموح به لسمك صفائح الألمنيوم

الانحراف المسموح به لسمك صفائح الألمنيوم

The allowable deviation of aluminum sheet thickness is clearly stipulated in the Chinese national standard GB/T3880.3-2006 “جزء من صفائح وشرائط الألمنيوم وسبائك الألومنيوم الصناعية العامة 3: انحرافات الأبعاد”:

1. عرض ورقة الألومنيوم أقل من أو يساوي 1000 مم

The allowable error of the thickness of A type aluminum sheet is plus or minus 0.14 مم, and the allowable error of the thickness of type B aluminum sheet is plus or minus 0.15 مم

2. Aluminum sheet width is greater than 1000 mm and less than 1600 مم

The allowable error of the thickness of A type aluminum sheet is plus or minus 0.17 مم, and the allowable error of the thickness of type B aluminum sheet is plus or minus 0.18 مم

3. When the width of the aluminum sheet is greater than 1600 mm and less than 2000 مم

The allowable error of the thickness of A type aluminum sheet is plus or minus 0.22 مم, and the allowable error of the thickness of type B aluminum sheet is plus or minus 0.23 مم

4. Aluminum sheet width is greater than 2000 mm and less than 2500 مم

The allowable error of the thickness of A type aluminum sheet is plus or minus 0.19 مم, and the allowable error of the thickness of type B aluminum sheet is plus or minus 0.19 مم

5. Aluminum sheet width is greater than 2500 مم

The thickness tolerance of all types of aluminum sheets is plus or minus 0.19 مم.