热轧钢板厚度的允许偏差(摘自GB/T709 - 1988 ) 一、较高轧制精度 公称厚度(钢板和钢带)/mm >0.35~0.50 >0.50~0.60 >0.60~0.75 >0.75~0.90 >0.90~1.10 >1.10~1.20 >1.20~1.30 >1.30~1.40 >1.40~1.60 >1.60~1.80 >1.80~2.00 >2.00~2.20 >2.20~2.50 >2.50~3.00 >3.00~3.50 >3.50~4.00 在下列宽度时的厚度允许偏差/mm 600~750 ±0.05 ±0.06 ±0.07 ±0.08 ±0.09 ±0.10 ±0.11 ±0.11 ±0.12 ±0.13 ±0.14 ±0.15 ±0.16 ±0.17 ±0.18 ±0.21 >750~1000 ±0.05 ±0.06 ±0.07 ±0.08 ±0.09 ±0.11 ±0.12 ±0.12 ±0.13 ±0.14 ±0.15 ±0.16 ±0.17 ±0.18 ±0.19 ±0.22 >1000~1500 - - - - - ±0.11 ±0.12 ±0.12 ±0.13 ±0.14 ±0.16 ±0.17 ±0.18 ±0.19 ±0.20 ±0.24 1500~2000 - - - - - - - - - - ±0.17 ±0.18 ±0.19 ±0.20 ±0.22 ±0.26 >2000~2300 - - - - - - - - - - - - - ±0.23 ±0.26 ±0.30 >2300~2700 - - - - - - - - - - - - - - - - >2700~3000 - - - - - - - - - - - - - - - - >4.00~5.50 >5.50~7.50 >7.50~10.0 >10.0~13.0 二、普通轧制精度 公称厚度(钢板和钢带)/mm >0.35~0.50 >0.50~0.60 >0.60~0.75 >0.75~0.90 >0.90~1.10 >1.10~1.20 >1.20~1.30 >1.30~1.40 >1.40~1.60 >1.60~1.80 >1.80~2.00 >2.00~2.20 +0.10-0.30 +0.10-0.40 +0.10-0.70 +0.10-0.70 +0.15-0.30 +0.10-0.50 +0.10-0.70 +0.10-0.70 +0.10-0.40 +0.10-0.50 +0.20-0.70 +0.20-0.70 +0.20-0.40 +0.20-0.50 +0.20-0.70 +0.30-0.70 +0.25-0.40 +0.25-0.60 +0.25-0.70 +0.35-0.70 - - - - - - - - 在下列宽度时的厚度允许偏差/mm ( 钢材网 www.gangcai.com ) 600~750 ±0.07 ±0.08 ±0.09 ±0.10 ±0.11 ±0.12 ±0.13 ±0.14 ±0.15 ±0.15 ±0.16 ±0.17 >750~1000 ±0.07 ±0.08 ±0.09 ±0.10 ±0.12 ±0.13 ±0.14 ±0.15 ±0.15 ±0.17 ±0.17 ±0.18 >1000~1500 - - - - - ±0.15 ±0.15 ±0.18 ±0.18 ±0.18 ±0.18 ±0.19 1500~2000 - - - - - - - - - - ±0.20 ±0.20 >2000~2300 - - - - - - - - - - - - >2300~2700 - - - - - - - - - - - - >2700~3000 - - - - - - - - - - - - >2.20~2.50 >2.50~3.00 >3.00~3.50 >3.50~4.00 >4.00~5.50 >5.50~7.50 >7.50~10.0 >10.0~13.0 ±0.18 ±0.19 ±0.20 ±0.23 +0.20-0.40 +0.20-0.50 +0.20-0.80 +0.20-0.80 ±0.19 ±0.20 ±0.21 ±0.26 +0.30-0.40 +0.20-0.60 +0.20-0.80 +0.20-0.80 ±0.20 ±0.21 ±0.22 ±0.28 +0.30-0.50 +0.25-0.60 +0.30-0.80 +0.30-0.80 ±0.21 ±0.22 ±0.24 ±0.28 +0.40-0.50 +0.40-0.60 +0.35-0.80 +0.40-0.80 - ±0.25 ±0.29 ±0.33 +0.45-0.5 +0.45-0.60 +0.45-0.80 +0.50-0.80 - - - - - - +0.60-0.80 +0.70-0.80 - - - - - - - +1.00-0.80