
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 2300-2500
>13~25 0.8 0.2 0.2 0.3 0.4 0.6 0.8 0.8
>25~30 0.9 0.2 0.2 0.3 0.4 0.6 0.8 0.9
>30~34 1.0 0.2 0.3 0.3 0.4 0.6 0.8 0.9
>34~40 1.1 0.3 0.4 0.5 0.6 0.7 0.9 1.0
>40~50 1.2 0.4 0.5 0.6 0.7 0.8 1.0 1.1
>50~60 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/T709—1988) 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/mm | ||||||
| 600~750 | >750~1000 | >1000~1500 | 1500~2000 | >2000~2300 | >2300~2700 | >2700~3000 | |
| >0.35~0.50 | ±0.05 | ±0.05 | - | - | - | - | - |
| >0.50~0.60 | ±0.06 | ±0.06 | - | - | - | - | - |
| >0.60~0.75 | ±0.07 | ±0.07 | - | - | - | - | - |
| >0.75~0.90 | ±0.08 | ±0.08 | - | - | - | - | - |
| >0.90~1.10 | ±0.09 | ±0.09 | - | - | - | - | - |
| >1.10~1.20 | ±0.10 | ±0.11 | ±0.11 | - | - | - | - |
| >1.20~1.30 | ±0.11 | ±0.12 | ±0.12 | - | - | - | - |
| >1.30~1.40 | ±0.11 | ±0.12 | ±0.12 | - | - | - | - |
| >1.40~1.60 | ±0.12 | ±0.13 | ±0.13 | - | - | - | - |
| >1.60~1.80 | ±0.13 | ±0.14 | ±0.14 | - | - | - | - |
| >1.80~2.00 | ±0.14 | ±0.15 | ±0.16 | ±0.17 | - | - | - |
| >2.00~2.20 | ±0.15 | ±0.16 | ±0.17 | ±0.18 | - | - | - |
| >2.20~2.50 | ±0.16 | ±0.17 | ±0.18 | ±0.19 | - | - | - |
| >2.50~3.00 | ±0.17 | ±0.18 | ±0.19 | ±0.20 | ±0.23 | - | - |
| >3.00~3.50 | ±0.18 | ±0.19 | ±0.20 | ±0.22 | ±0.26 | - | - |
| >3.50~4.00 | ±0.21 | ±0.22 | ±0.24 | ±0.26 | ±0.30 | - | - |
| >4.00~5.50 | +0.10 -0.30 | +0.15 -0.30 | +0.10 -0.40 | +0.20 -0.40 | +0.25 -0.40 | - | - |
| >5.50~7.50 | +0.10 -0.40 | +0.10 -0.50 | +0.10 -0.50 | +0.20 -0.50 | +0.25 -0.60 | - | - |
| >7.50~10.0 | +0.10 -0.70 | +0.10 -0.70 | +0.20 -0.70 | +0.20 -0.70 | +0.25 -0.70 | - | - |
| >10.0~13.0 | +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/mm | ||||||
| 600~750 | >750~1000 | >1000~1500 | 1500~2000 | >2000~2300 | >2300~2700 | >2700~3000 | |
| >0.35~0.50 | ±0.07 | ±0.07 | - | - | - | - | - |
| >0.50~0.60 | ±0.08 | ±0.08 | - | - | - | - | - |
| >0.60~0.75 | ±0.09 | ±0.09 | - | - | - | - | - |
| >0.75~0.90 | ±0.10 | ±0.10 | - | - | - | - | - |
| >0.90~1.10 | ±0.11 | ±0.12 | - | - | - | - | - |
| >1.10~1.20 | ±0.12 | ±0.13 | ±0.15 | - | - | - | - |
| >1.20~1.30 | ±0.13 | ±0.14 | ±0.15 | - | - | - | - |
| >1.30~1.40 | ±0.14 | ±0.15 | ±0.18 | - | - | - | - |
| >1.40~1.60 | ±0.15 | ±0.15 | ±0.18 | - | - | - | - |
| >1.60~1.80 | ±0.15 | ±0.17 | ±0.18 | - | - | - | - |
| >1.80~2.00 | ±0.16 | ±0.17 | ±0.18 | ±0.20 | - | - | - |
| >2.00~2.20 | ±0.17 | ±0.18 | ±0.19 | ±0.20 | - | - | - |
| >2.20~2.50 | ±0.18 | ±0.19 | ±0.20 | ±0.21 | - | - | - |
| >2.50~3.00 | ±0.19 | ±0.20 | ±0.21 | ±0.22 | ±0.25 | - | - |
| >3.00~3.50 | ±0.20 | ±0.21 | ±0.22 | ±0.24 | ±0.29 | - | - |
| >3.50~4.00 | ±0.23 | ±0.26 | ±0.28 | ±0.28 | ±0.33 | - | - |
| >4.00~5.50 | +0.20 -0.40 | +0.30 -0.40 | +0.30 -0.50 | +0.40 -0.50 | +0.45 -0.5 | - | - |
| >5.50~7.50 | +0.20 -0.50 | +0.20 -0.60 | +0.25 -0.60 | +0.40 -0.60 | +0.45 -0.60 | - | - |
| >7.50~10.0 | +0.20 -0.80 | +0.20 -0.80 | +0.30 -0.80 | +0.35 -0.80 | +0.45 -0.80 | +0.60 -0.80 | - |
| >10.0~13.0 | +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 |
