*欧阳光明*创编 2021.03.07
铝及铝合金板材的厚度及允许偏差
GB/T3194-1982
标准宽度/mm 欧阳光明（2021.03.07） 厚度/mm 理论质量/kg/m2 (密度2.85) 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.2 1.5 1.8 2.0 2.3 2.5 3.0 3.5 4.0 5.0 6.0 7.0 8.0 400～800 1000 1200 1500 1600 1800 2000 2200 2400 2500 600 厚度允许偏差/mm --0.05 ±0.05 ±0.06 - - - - - - - 0.855 0.08 --0.05 ±0.05 ±0.06 - - - - - - - 1.140 0.08 --0.05 -0.10 -0.12 -0.13 - - - - - - 1.425 0.08 --0.05 -0.12 -0.12 -0.14 -0.14 - - - - - 1.710 0.10 --0.07 -0.12 -0.13 -0.14 -0.14 - - - - - 1.995 0.11 --0.08 -0.12 -0.13 -0.14 -0.14 -0.18 - - - - 2.280 0.12 --0.09 -0.14 -0.15 -0.16 -0.17 -0.19 - - - - 2.565 0.13 --0.10 -0.15 -0.16 -0.17 -0.17 -0.20 -0.20 - - - 2.850 0.15 --0.10 -0.15 -0.16 -0.17 -0.17 -0.20 -0.22 - - - 3.420 0.15 --0.15 -0.20 -0.22 -0.25 -0.25 -0.27 -0.27 -0.29 - - 4.275 0.20 --0.15 -0.20 -0.22 -0.25 -0.25 -0.27 -0.27 -0.29 -0.30 - 5.130 0.20 --0.15 -0.20 -0.24 -0.26 -0.26 -0.28 -0.28 -0.30 -0.30 - 5.700 0.20 --0.20 -0.23 -0.26 -0.28 -0.28 -0.29 -0.29 -0.30 -0.30 - 6.555 0.22 --0.20 -0.25 -0.28 -0.29 -0.29 -0.30 -0.30 -0.32 -0.32 - 7.125 0.25 --0.25 -0.30 -0.33 -0.34 -0.34 -0.35 -0.35 -0.36 -0.36 - 8.550 0.30 --0.25 -0.30 -0.34 -0.35 -0.35 -0.36 -0.36 -0.37 -0.37 - 9.975 0.30 --0.25 -0.30 -0.35 -0.36 -0.36 -0.37 -0.37 -0.38 -0.38 - 11.40 0.30 -+0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 -0.30 - 14.25 0.35 -0.35 -0.36 -0.37 -0.37 -0.42 -0.42 -0.45 -0.45 -+0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 -0.30 - 17.10 0.40 -0.40 -0.41 -0.42 -0.42 -0.42 -0.42 -0.45 -0.45 -+0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 -0.30 - 19.95 0.40 -0.40 -0.42 -0.43 -0.43 -0.50 -0.50 -0.50 -0.60 -0.35 -+0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 - 22.80 *欧阳光明*创编 2021.03.07
*欧阳光明*创编 2021.03.07 0.40 -0.45 -0.46 -0.47 -0.47 -0.50 -0.50 -0.60 -0.60 9.0 10.0 12 14 15 16 18 20 22 25 30 35 40 50 60 70 80 90 100 110 120 130 140 150 - -+0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 -0.35 - 25.65 0.45 -0.45 -0.47 -0.48 -0.49 -0.50 -0.50 -0.60 -0.60 -+0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 +0.10 -0.40 - 28.50 0.50 -0.50 -0.50 -0.50 -0.50 -0.50 -0.50 -0.60 -0.60 - - ±0.5 ±0.5 ±1.0 ±1.0 ±1.0 ±1.0 ±1.5 ±1.5 ±1.5 34.20 - - ±0.5 ±0.5 ±1.0 ±1.0 ±1.0 ±1.0 ±1.5 ±1.5 ±1.5 39.90 - - ±0.5 ±0.5 ±1.0 ±1.0 ±1.0 ±1.0 ±1.5 ±1.5 ±1.5 42.75 - - ±0.5 ±0.5 ±1.0 ±1.0 ±1.0 ±1.0 ±1.5 ±1.5 ±1.5 45.60 - - ±0.5 ±0.5 ±1.0 ±1.0 ±1.0 ±1.0 ±1.5 ±1.5 ±1.5 51.30 - - ±0.5 ±0.5 ±1.0 ±1.0 ±1.0 ±1.0 ±1.5 ±1.5 ±1.5 57.00 - - ±0.75 ±0.75 ±1.5 ±1.5 ±1.5 ±1.5 ±2.0 ±2.0 ±2.0 62.70 - - ±0.75 ±0.75 ±1.5 ±1.5 ±1.5 ±1.5 ±2.0 ±2.0 ±2.0 71.25 - - ±0.75 ±0.75 ±1.5 ±1.5 ±1.5 ±1.5 ±2.0 ±2.0 ±2.0 85.50 - - ±1.0 ±1.0 ±1.5 ±1.5 ±1.5 ±1.5 ±2.5 ±2.5 ±2.5 99.75 - - ±1.0 ±1.0 ±1.5 ±1.5 ±1.5 ±1.5 ±2.5 ±2.5 ±2.5 114.0 - - ±1.5 ±1.5 ±2.0 ±2.0 ±2.0 ±2.0 ±3.0 ±3.0 ±3.0 142.50 - - ±1.5 ±1.5 ±2.0 ±2.0 ±2.0 ±2.0 ±3.0 ±3.0 ±3.0 171.0 - - ±3.0 ±3.0 ±3.5 ±3.5 ±3.5 ±3.5 ±4.0 ±4.0 ±4.0 199.50 - - ±3.0 ±3.0 ±3.5 ±3.5 ±3.5 ±3.5 ±4.0 ±4.0 ±4.0 228.0 - - ±3.5 ±3.5 ±5.0 ±5.0 ±5.0 ±5.0 ±5.5 ±5.5 ±5.5 256.50 - - ±3.5 ±3.5 ±5.0 ±5.0 ±5.0 ±5.0 ±5.5 ±5.5 ±5.5 285.0 - - ±3.5 ±3.5 ±5.0 ±5.0 ±5.0 ±5.0 ±5.5 ±5.5 ±5.5 313.50 - - ±3.5 ±3.5 ±5.0 ±5.0 ±5.0 ±5.0 ±5.5 ±5.5 ±5.5 342.00 - - ±4.0 ±4.0 ±5.5 ±5.5 ±5.5 ±5.5 ±6.0 ±6.0 ±6.0 370.50 - - ±4.0 ±4.0 ±5.5 ±5.5 ±5.5 ±5.5 ±6.0 ±6.0 ±6.0 399.00 - - ±4.0 ±4.0 ±5.5 ±5.5 ±5.5 ±5.5 ±6.0 ±6.0 ±6.0 427.50 - - - - - - - - - - - - 注：1.对变断面板材，在其厚端厚度不大于5mm，宽度不大于1500mm时厚度允许偏差应为±0.20mm。
2.LF3、LF5、LF6、LF11、LF41合金厚板，厚度允许偏差为其公称厚度的±5%
3.表列理论质量系按LC4、LC9的密度2.85计算的。 4.各种牌号铝及铝合金板材每平方面积的理论质量等于表列的质量乘以下列的密度换算系数
5.厚度0.3～4.0mm称薄板，厚度大于4.0mm称厚板。
*欧阳光明*创编 2021.03.07