GB/T 709-2006B类公差 表
单轧钢板的厚度允许偏差（B类） 单位：毫米 mm
| 公称厚度 | 各公称宽度对应厚度允许偏差 | ||||||||||||
| ≤1500 | ＞ 1500~2500 | ＞2500~4000 | |||||||||||
| 下限值 | 上限值 | 厚度附加值 | 下限值 | 上限值 | 厚度附加值 | 下限值 | 上限值 | 厚度附加值 | |||||
| 3.00~5.00 | -0.3 | +0.6 | 0.15 | -0.3 | +0.8 | 0.25 | - | - | - | ||||
| ＞5.00~8.00 | -0.3 | +0.7 | 0.2 | -0.3 | +0.9 | 0.3 | - | - | - | ||||
| ＞8.00~15.0 | -0.3 | +0.8 | 0.25 | -0.3 | +1.0 | 0.35 | -0.3 | +1.5 | 0.6 | ||||
| ＞15.0~25.00 | -0.3 | +1.0 | 0.35 | -0.3 | +1.2 | 0.45 | -0.3 | +1.9 | 0.8 | ||||
| ＞25.0~40.0 | -0.3 | +1.1 | 0.4 | -0.3 | +1.3 | 0.5 | -0.3 | +2.1 | 0.9 | ||||
| ＞40.0~60.0 | -0.3 | +1.3 | 0.5 | -0.3 | +1.5 | 0.6 | -0.3 | +2.3 | 1.0 | ||||
| ＞60.0~100 | -0.3 | +1.5 | 0.6 | -0.3 | +1.8 | 0.75 | -0.3 | +2.7 | 1.2 | ||||
| ＞100~150 | -0.3 | +2.1 | 0.9 | -0.3 | +2.5 | 1.1 | -0.3 | +3.3 | 1.5 | ||||
| ＞150~200 | -0.3 | +2.5 | 1.1 | -0.3 | +2.9 | 1.3 | -0.3 | +3.5 | 1.6 | ||||
| ＞200~250 | -0.3 | +2.9 | 1.3 | -0.3 | +3.3 | 1.5 | -0.3 | +4.1 | 1.9 | ||||
| ＞250~300 | -0.3 | +3.3 | 1.5 | -0.3 | +3.7 | 1.7 | -0.3 | +4.5 | 2.1 | ||||
| ＞300~400 | -0.3 | +3.7 | 1.7 | -0.3 | +4.1 | 1.9 | -0.3 | +4.9 | 2.3 | ||||
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