1、GB/T38689-2020表1薄板及带材（窄带材除外）厚度及其允许偏差单位为毫米下列公称宽度的厚度允许偏差公称厚度130015000.100.150.030一0.150.300.040一一0.300.50土0.060土0.0650.500.600.065土0.075一0.600.800.0750.080一0.801.000.0800.0900.101.001.200.090.100.111.201.500.100.120.131.502.000.120.130.152.002.500.140.150.162.503.000.160.180.183.004.00土0.190.210.214.0
2、05.000.210.230.234.12窄带材厚度及其允许偏差应符合表2的规定。表2窄带材厚度及其允许偏差单位为毫米下列公称宽度的厚度允许偏差公称厚度201501502502504004006000.100.150.0100.0100.010一0.150.250.0150.0150.0150.0200.250.450.0200.0200.0200.0250.450.650.0250.0250.0250.0300.650.900.0300.0300.0300.0400.901.200.0350.0400.0400.0451.201.500.0450.0500.0500.0551.501.800.0600.0650.0650.0701.802.000.0600.0700.0750.0802.002.300.0700.0800.0800.0902.302.500.0800.0800.0800.0902.503.100.0800.0900.0900.1002.504.000.0900.1000.1000.1104.005.00土0.1300.1400.1400.140
