铝及铝合金板材的厚度及允许偏差GB

1、厚度标准宽度/mm理论质量/kg/m2（密度2.85）/mm4008001000120015001600180020002：200240025(00600厚度允许偏差/mm0.3-0.05-0.08±0.05±0.06-0.8550.4-0.05-0.08±0.05±0.06-1.1400.5-0.05-0.08-0.10-0.12-0.13-1.4250.6-0.05-0.10-0.12-0.12-0.14-0.14-1.7100.7-0.07-0.11-0.12-0.13-0.14-0.14-1.9950.8-0.08-0.12-0.12-0.13-

2、0.14-0.14-0.18-2.2800.9-0.09-0.13-0.14-0.15-0.16-0.17-0.19-2.5651.0-0.10-0.15-0.15-0.16-0.17-0.17-0.20-0.20-2.8501.2-0.10-0.15-0.15-0.16-0.17-0.17-0.20-0.22-3.4201.5-0.15-0.20-0.20-0.22-0.25-0.25-0.27-0.27-0.29-4.2751.8-0.15-0.20-0.20-0.22-0.25-0.25-0.27-0.27-0.29-0.30-5.1302.0-0.15-0.20-0.20-0.24-0

3、.26-0.26-0.28-0.28-0.30-0.30-5.7002.3-0.20-0.22-0.23-0.26-0.28-0.28-0.29-0.29-0.30-0.30-6.5552.5-0.20-0.25-0.25-0.28-0.29-0.29-0.30-0.30-0.32-0.32-7.1253.0-0.25-0.30-0.30-0.33-0.34-0.34-0.35-0.35-0.36-0.36-8.5503.5-0.2-0.3-0.30-0.34-0.3-0.3-0.3-0.3-0.3-0.3-9.975505566774.0-0.25-0.30-0.30-0.35-0.36-0

4、.36-0.37-0.37-0.38-0.38-11.405.0-0.30-0.35+0.10-0.35+0.10-0.36+0.10-0.37+0.10-0.37+0.10-0.42+0.10-0.42+0.10-0.45+0.10-0.45-14.256.0-0.30-0.40+0.10-0.40+0.10-0.41+0.10-0.42+0.10-0.42+0.10-0.42+0.10-0.42+0.10-0.45+0.10-0.45-17.107.0-0.30-0.40+0.10-0.40+0.10-0.42+0.10-0.43+0.10-0.43+0.10-0.50+0.10-0.50

5、+0.10-0.50+0.10-0.60-19.958.0-0.35-0.40+0.10-0.45+0.10-0.46+0.10-0.47+0.10-0.47+0.10-0.50+0.10-0.50+0.10-0.60+0.10-0.60-22.809.0-0.35-0.45+0.10-0.45+0.10-0.47+0.10-0.48+0.10-0.49+0.10-0.50+0.10-0.50+0.10-0.60+0.10-0.60-25.6510.0-0.40-0.50+0.10-0.50+0.10-0.50+0.10-0.50+0.10-0.50+0.10-0.50+0.10-0.50+0

6、.10-0.60+0.10-0.60-28.5012-±0.5±0.5±1.0±1.0±1.0±1.0±1.5±1.5±1.534.2014-±0.5±0.5±1.0±1.0±1.0±1.0±1.5±1.5±1.539.9015-±0.5±0.5±1.0±1.0±1.0±1.0±1.5±1.5±1.542.7516-±

7、0.5±0.5±1.0±1.0±1.0±1.0±1.5±1.5±1.545.6018-±0.5±0.5±1.0±1.0±1.0±1.0±1.5±1.5±1.551.3020-±0.5±0.5±1.0±1.0±1.0±1.0±1.5±1.5±1.557.0022-±0.75±0.75±1.5±1.5&

8、#177;1.5±1.5±2.0±2.0±2.062.7025-±0.75±0.75±1.5±1.5±1.5±1.5±2.0±2.0±2.071.2530-±0.75±0.75±1.5±1.5±1.5±1.5±2.0±2.0±2.085.5035±1.0±1.0±1.5±1.5±1.5±1.5±2.5

9、7;2.5±2.599.7540±1.0±1.0±1.5±1.5±1.5±1.5±2.5±2.5±2.5114.050-±1.5±1.5±2.0+20+20+20+30+30±3.0142.5060-±1.5±1.5±2.0±2.0±2.0±2.0±3.0±3.0±3.0171.070±3.0±3.0+35+35+35+4.0+4.0±4

10、.0199.5080±3.0±3.0±3.5±3.5±3.5±3.5±4.0±4.0±4.0228.090±3.5±3.5±5.0+5.0+5.0+5.0+5.5言±5.5256.50100-±3.5±3.5±5.0±5.0±5.0±5.0±5.5±5.5±5.5285.0110-±3.5±3.5±5.0+5.0+5.0+5.0+5.5+5.5±5.5313.50120±3.5±3.5±5.0+5.0+5.0+5.0+5.5+5.5±5.5342.00130±4.0±4.0±5.5+5.5+5.5+5.5+60+60±6.0370.50140±4.0±4.0±5.5+5.5+5.5+5.5+60±6.0399.00150-±4.0±4.0±5.5+5.5+5.5+5.5+60+60±6.0427.50-1111-1-1注：1.对变断面板材，在其厚端厚度不大于