中厚板厚度的允许偏差.doc

中厚板厚度的允许偏差（GB709-88）公称厚度 负偏差(mm) 下列宽度允许正偏差(mm) 1000-1200 1200-1500 1500-1700 1700-1800 1800-2000 2000-2300 2300-25001325 0.8 0.2 0.2 0.3 0.4 0.6 0.8 0.82530 0.9 0.2 0.2 0.3 0.4 0.6 0.8 0.93034 1.0 0.2 0.3 0.3 0.4 0.6 0.8 0.93440 1.1 0.3 0.4 0.5 0.6 0.7 0.9 1.04050 1.2 0.4 0.5 0.6 0.7 0.8 1.0 1.15060 1.3 0.6 0.7 0.8 0.8 1.0 1.0 1.1热轧钢板厚度的允许偏差(摘自 GB/T7091988) 较高轧制精度公称厚度(钢板和钢带)/mm在下列宽度时的厚度允许偏差/mm600750750100010001500150020002000230023002700270030000.350.500.050.050.500.600.060.060.600.750.070.070.750.900.080.080.901.100.090.091.101.200.100.110.111.201.300.110.120.121.301.400.110.120.121.401.600.120.130.131.601.800.130.140.141.802.000.140.150.160.172.002.200.150.160.170.182.202.500.160.170.180.192.503.000.170.180.190.200.233.003.500.180.190.200.220.263.504.000.210.220.240.260.304.005.50+0.10-0.30+0.15-0.30+0.10-0.40+0.20-0.40+0.25-0.405.507.50+0.10-0.40+0.10-0.50+0.10-0.50+0.20-0.50+0.25-0.607.5010.0+0.10-0.70+0.10-0.70+0.20-0.70+0.20-0.70+0.25-0.7010.013.0+0.10-0.70+0.10-0.70+0.20-0.70+0.30-0.70+0.35-0.70普通轧制精度公称厚度(钢板和钢带)/mm在下列宽度时的厚度允许偏差/mm600750750100010001500150020002000230023002700270030000.350.500.070.070.500.600.080.080.600.750.090.090.750.900.100.100.901.100.110.121.101.200.120.130.151.201.300.130.140.151.301.400.140.150.181.401.600.150.150.181.601.800.150.170.181.802.000.160.170.180.202.002.200.170.180.190.202.202.500.180.190.200.212.503.000.190.200.210.220.253.003.500.200.210.220.240.293.504.000.230.260.280.280.334.005.50+0.20-0.40+0.30-0.40+0.30-0.50+0.40-0.50+0.45-0.55.507.50+0.20-0.50+0.20-0.60+0.25-0.60+0.40-0.60+0.45-0.607.5010.0+0.20-0.80+0.20-0.80+0.30-0.80+0.35-0.80+0.45-0.80+0.