無錫鋼管廠@20#無縫管180×8標準化外徑允許偏差
56×3.5-4-5-6-7-8-9-10 |
58 |
180×8-12-16-25-30 |
105 |
480×10/ 12 14 16 18 20 25 30 40 |
95 |
57×3.5-5-6-7-8-9-10-12 |
50 |
180×32-34-38-40 |
102 |
500×10/12-14-16-20-25-34-40 |
100 |
60×3.5-4.5-5-6-7-8-9-12-14 |
60 |
194×6-8-12-16-20-25-30-40 |
140 |
510×10/12-14-16-20-25-34-40 |