公称直径/mm |
直径允许偏差/mm |
公称横截面积/mm2 |
每米参考质量/(g/m) |
3.00 |
±0.04 |
7.07 |
55.5 |
4.00 |
±0.04 |
12.57 |
98.6 |
5.00 |
±0.05 |
19.63 |
154 |
6.00 |
±0.05 |
28.27 |
222 |
6.25 |
±0.05 |
30.68 |
241 |
7.00 |
±0.05 |
38.48 |
302 |
8.00 |
±0.06 |
50.26 |
394 |
9.00 |
±0.06 |
63.62 |
499 |
10.00 |
±0.06 |
78.54 |
616 |
12.00 |
±0.06 |
113.1 |
888 |
|