| HS Codes | Unit Code | Unit | Descriptions in Chinese | Descriptions in English |
|---|---|---|---|---|
| 73061100 | 9 | 千克 | 不锈钢制石油或天然气焊缝管道管 | Welded line pipe for oil or gas, of stainless steel |
| 73061900 | 9 | 千克 | 其他钢铁制石油或天然气管道管 | Line pipe,welded,for oil/gas pipelines,nes |
| 73062100 | 9 | 千克 | 不锈钢制钻探石油或天然气用套管及导管 | Casing & tubing,welded,stainless,for use in drilling for oil/gas |
| 73062900 | 9 | 千克 | 其他钢铁制钻探石油或天然气套管及导管 | Casing & tubing,welded,for use in drilling for oil/gas,nes |
| 73063011 | 9 | 千克 | 其他铁圆形截面焊缝管，壁厚≤0.7mm，外径≤10mm | Other circular profile tubes,welded,iron/non-alloy steel,pipe wall thk.≤0.7mm,D.≤10mm |
| 73063019 | 9 | 千克 | 其他铁圆形截面焊缝管，壁厚＞0.7mm，外径≤10mm | Other circular profile tubes,welded,iron/non-alloy steel,pipe wall thk.＞0.7mm,D.≤10mm |
| 73063090 | 9 | 千克 | 其他铁圆形截面焊缝管，10＜外径≤406.4mm | Other circular profile tubes,welded,iron/non-alloy steel,10mm＜D≤406.4mm |
| 73064000 | 9 | 千克 | 其他不锈钢圆形截面焊缝管，外径≤406.4mm | Other circular profile tubes,welded,stainless steel, D.＜406.4mm |
| 73065000 | 9 | 千克 | 其他合金钢圆形截面焊缝管，外径≤406.4mm | Other circular profile tubes,welded,other alloy steel D.＜406.4mm |
| 73066100 | 9 | 千克 | 矩形或正方形截面的其他焊缝管 | Tubes,pipe & hollow profiles,welded,of square or rectangular cross-section |
| 73066900 | 9 | 千克 | 其他非圆形截面的焊缝管 | Tubes,pipe&hollow profiles,welded,of non square/rectangular cross-section |
| 73069000 | 9 | 千克 | 未列名钢铁管及空心异型材 | Tubes, pipe & hollow profiles, i/s, welded, nes |
