1、铝及铝合金板材的厚度及允许偏差 GB/T3194-1982标准宽度/mm理论质量/kg/m2(密度2.85)400600800 1000 1200 1500 1600 1800 2000 2200 2400 2500厚度/mm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.
2、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 -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
3、-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 -0.26 -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
4、 -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 -0.25 -0.30 -0.30 -0.34 -0.35 -0.35 -0.36 -0.36 -0.37 -0.37 - 9.9754.0 -0.25 -0.30 -0.30 -0.35 -0.36 -0.36 -0.37 -0.37 -0.38 -0.38 - 11.405.0 -0.30 -0.35 +0.
5、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+0.10 -0.50+
6、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+
7、0.10 -0.50+0.10 -0.50+0.10 -0.60+0.10 -0.60- 28.5012 - - 0.5 0.5 1.0 1.0 1.0 1.0 1.5 1.5 1.5 34.2014 - - 0.5 0.5 1.0 1.0 1.0 1.0 1.5 1.5 1.5 39.9015 - - 0.5 0.5 1.0 1.0 1.0 1.0 1.5 1.5 1.5 42.7516 - - 0.5 0.5 1.0 1.0 1.0 1.0 1.5 1.5 1.5 45.6018 - - 0.5 0.5 1.0 1.0 1.0 1.0 1.5 1.5 1.5 51.3020 - - 0.5
8、 0.5 1.0 1.0 1.0 1.0 1.5 1.5 1.5 57.0022 - - 0.75 0.75 1.5 1.5 1.5 1.5 2.0 2.0 2.0 62.7025 - - 0.75 0.75 1.5 1.5 1.5 1.5 2.0 2.0 2.0 71.2530 - - 0.75 0.75 1.5 1.5 1.5 1.5 2.0 2.0 2.0 85.5035 - - 1.0 1.0 1.5 1.5 1.5 1.5 2.5 2.5 2.5 99.7540 - - 1.0 1.0 1. 1. 1. 1. 2. 2. 2. 114.05 5 5 5 5 5 550 - - 1.5
9、 1.5 2.0 2.0 2.0 2.0 3.0 3.0 3.0 142.5060 - - 1.5 1.5 2.0 2.0 2.0 2.0 3.0 3.0 3.0 171.070 - - 3.0 3.0 3.5 3.5 3.5 3.5 4.0 4.0 4.0 199.5080 - - 3.0 3.0 3.5 3.5 3.5 3.5 4.0 4.0 4.0 228.090 - - 3.5 3.5 5.0 5.0 5.0 5.0 5.5 5.5 5.5 256.50100 - - 3.5 3.5 5.0 5.0 5.0 5.0 5.5 5.5 5.5 285.0110 - - 3.5 3.5 5.
10、0 5.0 5.0 5.0 5.5 5.5 5.5 313.50120 - - 3.5 3.5 5.0 5.0 5.0 5.0 5.5 5.5 5.5 342.00130 - - 4.0 4.0 5.5 5.5 5.5 5.5 6.0 6.0 6.0 370.50140 - - 4.0 4.0 5.5 5.5 5.5 5.5 6.0 6.0 6.0 399.00150 - - 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 0.34.0mm 称薄板,厚度大于 4.0mm 称厚板。