Refer to the national standard of the people’s Republic of China GB / ت 3880.3-2006 ألواح وشرائط الألمنيوم وسبائك الألومنيوم للاستخدام الصناعي العام الجزء 3: انحراف الأبعاد. نطاق التسامح للوحة الألومنيوم المتوافق مع المعلمات المختلفة مذكور بالتفصيل هنا. انظر الجدول ادناه للتفاصيل.
The allowable thickness deviation of cold rolling mill aluminum sheet and strip is divided into ordinary grade and high precision grade
Table 1: allowable thickness deviation of cold rolled aluminum sheet and strip general grade
وحدة: مم
| سماكة |
عرض |
| ≤1000 |
＞1000-1250 |
＞1250-1600 |
＞1600-2000 |
＞2000-2500 |
| ＞3.5-4 |
0.15 |
0.18 |
0.18 |
0.23 |
0.24 |
| ＞4-5 |
0.23 |
0.24 |
0.24 |
0.26 |
0.28 |
| ＞5-6 |
0.25 |
0.26 |
0.26 |
0.26 |
0.28 |
| ＞6-8 |
0.28 |
0.29 |
0.29 |
0.30 |
0.35 |
| ＞8-10 |
0.30 |
0.30 |
0.30 |
0.30 |
0.35 |
| ＞10-12 |
0.48 |
0.50 |
0.50 |
0.62 |
0.70 |
| ＞12-15 |
0.50 |
0.50 |
0.50 |
0.68 |
0.76 |
| ＞15-20 |
0.57 |
0.66 |
0.68 |
0.72 |
0.81 |
| ＞20-25 |
0.60 |
0.69 |
0.72 |
0.75 |
0.84 |
| ＞25-30 |
0.68 |
0.75 |
0.80 |
0.83 |
0.9 |
| ＞30-40 |
0.75 |
0.83 |
0.87 |
0.90 |
0.99 |
| ＞40-50 |
0.83 |
0.90 |
0.95 |
0.98 |
1.05 |
ملحوظة: the allowable thickness deviation of 5A05, 5A06 and other alloys with magnesium content greater than 3% with thickness ≥ 4.00mm is ± 5% of the nominal thickness,
Table 2: allowable thickness deviation of cold rolled sheet and strip high precision grade
وحدة: مم
| سماكة |
عرض |
| ≤1000 |
＞1000-1250 |
＞1250-1600 |
＞1600-2000 |
＞2000-2500 |
| ＞3.5-4 |
0.15 |
0.17 |
0.17 |
0.19 |
0.19 |
| ＞4-5 |
0.18 |
0.22 |
0.22 |
0.25 |
0.28 |
| ＞5-6 |
0.2 |
0.24 |
0.24 |
0.26 |
0.28 |
| ＞6-8 |
0.24 |
0.28 |
0.28 |
0.30 |
0.35 |
| ＞8-10 |
0.27 |
0.30 |
0.30 |
0.30 |
0.35 |
| ＞10-12 |
0.32 |
0.38 |
0.40 |
0.41 |
0.47 |
| ＞12-15 |
0.36 |
0.42 |
0.43 |
0.45 |
0.51 |
| ＞15-20 |
0.38 |
0.44 |
0.46 |
0.48 |
0.54 |
| ＞20-25 |
0.40 |
0.46 |
0.48 |
0.50 |
0.56 |
| ＞25-30 |
0.45 |
0.50 |
0.53 |
0.55 |
0.60 |
| ＞30-40 |
0.50 |
0.55 |
0.58 |
0.60 |
0.65 |
| ＞40-50 |
0.55 |
0.60 |
0.63 |
0.65 |
0.70 |
Table 3: allowable thickness deviation of hot rolled plate and strip
|
سماكة
|
عرض
|
| ≤1250 |
＞1250-1600 |
＞1600-2000 |
＞2000-2500 |
| ＞2.5-4 |
0.28 |
0.28 |
0.32 |
0.35 |
| ＞4-5 |
0.30 |
0.30 |
0.35 |
0.40 |
| ＞5-6 |
0.32 |
0.32 |
0.40 |
0.45 |
| ＞6-8 |
0.35 |
0.40 |
0.40 |
0.50 |
| ＞8-10 |
0.45 |
0.50 |
0.50 |
0.55 |
| ＞10-15 |
0.50 |
0.60 |
0.65 |
0.65 |
| ＞15-20 |
0.60 |
0.70 |
0.75 |
0.80 |
| ＞20-25 |
0.65 |
0.75 |
0.85 |
0.90 |
| ＞25-30 |
0.75 |
0.85 |
1.0 |
1.1 |
| ＞30-40 |
0.9 |
1.0 |
1.1 |
1.2 |
| ＞40-50 |
1.1 |
1.2 |
1.4 |
1.5 |
| ＞50-60 |
1.4 |
1.5 |
1.7 |
1.9 |
| ＞60-80 |
1.7 |
1.8 |
1.9 |
2.1 |
| ＞80-100 |
2.2 |
2.2 |
2.7 |
2.8 |
| ＞100-150 |
2.8 |
2.8 |
3.3 |
3.3 |
