钢板厚度偏差.doc

_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+0.60-0.8010.013.0+0.20-0.80+0.20-0.80+0.30-0.80+0.40-0.80+0.50-0.80+0.70-0.80+1.00-0.80不锈钢复合钢板钢带尺寸规格及允许偏差 (摘自GB/T81651997)尺寸规格尺寸规格复合钢板厚度不小于8mm，复合钢带厚度4mm8mm复合钢板宽度1450mm3000mm，复合钢带的宽度1000mm1400mm复合钢板和钢带长度4000mm10000mm复层厚度0.5mm14mm，通常为2mm3mm。也可根据需方需要，由供需双方协商确定基层最小厚度：复合钢板总厚度8mm时，基层最小厚度为6mm，复合钢带的基层最小厚度由供需双方协议厚度允许偏差厚度允许偏差复层厚度允许偏差复合钢板钢带总厚度允许偏差级、级级复合钢板总厚度/mm允许偏差(%)钢带钢板级、级级不大于复层公称尺寸的9%，且不大于1mm不大于复层公称尺寸的10%，且不大于1mm48+10-89815+9-781625+8-672630+7-563160+6-4560协商协商宽度允许偏差公称厚度/mm宽度允许偏差/mm14501450级级级48按GB709+60+100+150825按GB709+200+250+30026按GB709+250+300+350平面度复合钢板总厚度/mm宽度/