下表为不同行业使用的镀锌钢丝现行标准规定的尺寸允许偏差表 :
序号 | 尺寸允许偏差 | |||||||||||
公称直径mm | 桥梁缆索用 | 公称直径mm | 棉花打包用 | 公称直径mm | 通讯线用 | 公称直径mm | 铠装电缆用 | 公称直径mm | 架空绞线用 | 公称直径mm | 一般用途 | |
GB/T 17101-2008 | GB/T 21530-2008 | GB 346-1984 | GB/T 3082-2008 | GB/T 3428-2012 | YB/T 5294-2009 | |||||||
1 | 5 | ±0.06 | 2.5 | ±0.05 | 1.2 | 0.06 | >0.8~1.2 | ±0.04 | >1.24~2.25 | ±0.03 | ≤0.30 | ±0.02 |
-0.04 | ||||||||||||
2 | 7 | ±0.07 | 2.8 | ±0.05 | 1.5 | 0.08 | >1.2~1.6 | ±0.05 | >2.25~2.75 | ±0.04 | >0.30~1.00 | ±0.04 |
-0.04 | ||||||||||||
3 | - | - | 3.2 | ±0.06 | 2 | 0.08 | >1.6~2.5 | ±0.05 | >2.75~3.00 | ±0.05 | >1.00~1.60 | ±0.05 |
-0.04 | ||||||||||||
4 | - | - | 3.4 | ±0.06 | 2.5 | 0.08 | >2.5~3.2 | ±0.08 | >3.00~3.50 | ±0.05 | >1.60~3.00 | ±0.06 |
-0.04 | ||||||||||||
5 | - | - | 3.75 | ±0.07 | 3 | 0.08 | >3.2~4.2 | ±0.10 | >3.50~4.25 | ±0.06 | >3.00~6.00 | ±0.07 |
-0.04 | ||||||||||||
6 | - | - | 4 | ±0.07 | 4 | 0.1 | >4.2~6.0 | ±0.13 | >4.25~4.75 | ±0.06 | >6.00 | ±0.08 |
-0.06 | ||||||||||||
7 | - | - | - | - | 5 | 0.1 | >6.0~8.0 | ±0.15 | >4.75~5.50 | ±0.07 | - | - |
-0.06 | ||||||||||||
8 | - | - | - | - | 6 | 0.1 | - | - | - | - | - | - |
-0.06 |