材料厚度允许偏差

1、1 GB708-88冷轧钢板和钢带的厚度允许偏差见表一，我厂选用A级精度。表公称宽度公称厚度、厚 度 允 许 偏 差A 级精度B 级精度W150015002000W1500150020000.20.500.04-0.05-0.500.650.05-0.06-0.650.900.06-0.07-0.901.100.070.090.090.111.101.200.090.100.100.121.201.40.100.120.110.141.41.50.110.130.120.151.51.80.120.140.140.161.82.00.130.150.150.172.02.50.140.170.

2、160.182.53.00.160.190.180.203.03.50.180.200.200.213.54.00.190.210.220.244.05.00.200.220.230.252不锈钢冷轧板(GB3280-92)厚度允许偏差参照GB708-88，见表3铝板厚度允许偏差见表二。3.1表中为单向偏差而用户要求双向偏差时，其偏差值为原偏差的一半。3.2带材采用双向偏差。表二厚度规定的宽度W 1000100015001500200020002500普通级厚度允许偏差1.01.2-0.15-0.17-0.221.21.6-0.20-0.25-0.27-0.291.62.0-0.20-0.26

3、-0.28-0.302.02.5-0.25-0.29-0.30-0.322.53.2-0.30-0.34-0.35-0.363.24.0-0.30-0.36-0.37-0.384.05.0+0.10+0.10+0.10+0.10-0.35-0.37-0.42-0.455.06.3+0.10+0.10+0.10+0.10-0.40-0.42-0.42-0.456.38.0+0.10+0.10+0.10+0.10-0.45-0.47-0.50-0.608.010+0.10+0.10+0.10+0.10-0.50-0.50-0.50-0.604 GB2040-89冷轧紫铜板的厚度允许偏差见表三（本厂

4、选用普通级）。表厚度宽度2004004006006001000厚度允许偏差普通级较高级普通级较高级普通级较高级0.20.3+ 0.0300.0250.0350.0300.30.40.0350.0300.0350.0300.40.50.0350.0300.0350.0300.0500.0450.50.70.0400.0300.0400.0350.0550.0500.71.00.0450.0400.0550.0500.0700.0601.01.50.0500.0450.0700.0600.0900.0801.52.00.0600.0500.0800.0700.1000.0902.02.50.060

5、0.0550.0900.0800.1100.1002.53.00.0700.0600.1000.0900.1200.1103.04.00.0850.0750.1150.1000.1400.1204.05.00.1000.0800.1300.1100.1700.1505.06.00.1200.1100.1500.1300.1800.1706.08.00.1250.1100.1800.1700.2000.1808.010.00.1500.1400.2000.1900.2500.2205 GB5585-85铜母线的厚度允许偏差参照冷轧紫铜板的厚度允许偏差（表三）。6 GB5129.5-89环氧酚醛层压玻璃布板厚度允许偏差见表四。表四标称厚度偏差标称厚度偏差0.50.123.00.370.60.134.00.450.80.165.00.521.00.186.00.601.20.218.00.721.60.24100.822.00.28120.942.50.33141