| 7305.39.10 | 00 | Of iron or nonalloy steel | kg | Free |  | 5.5% | 
| 7305.90.10 | 00 | Of iron or nonalloy steel | kg | Free |  | 5.5% | 
| 7306 |  | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: |  |  |  |  | 
| 7306.19.10 |  | Of iron or nonalloy steel |  | Free |  | 5.5% | 
| 7306.29.10 |  | Of iron or nonalloy steel: |  |  |  |  | 
| 7306.29.60 |  | Of iron or nonalloy steel |  | Free |  | 5.5% | 
| 7306.30 |  | Other, welded, of circular cross section, of iron or nonalloy steel: |  |  |  |  | 
| 7306.30.50 | 20 | Other, cold-rolled (cold-reduced) with a wall thickness not exceeding 2.54 mm | kg |  |  |  | 
| 7306.40 |  | Other, welded, of circular cross section, of stainless steel: |  |  |  |  | 
| 7306.40.50 | 40 | Other, cold-drawn or cold-rolled (cold- reduced): |  |  |  |  | 
| 7306.40.50 | 42 | Containing less than 15 percent by weight of chromium | kg |  |  |  | 
| 7306.50 |  | Other, welded, of circular cross section, of other alloy steel: |  |  |  |  | 
| 7306.50.50 | 30 | Other, cold-drawn or cold-rolled (cold- reduced) | kg |  |  |  | 
| 7306.61 |  | Other, welded, of noncircular cross section: |  |  |  |  | 
| 7306.61 |  | Of square or rectangular cross section: |  |  |  |  | 
| 7306.61.10 | 00 | Of iron or nonalloy steel | kg | Free |  | 1% | 
| 7306.61.50 | 00 | Of iron or nonalloy steel | kg | Free |  | 25% | 
| 7306.69 |  | Of other noncircular cross section: |  |  |  |  | 
| 7306.69.10 | 00 | Of iron or nonalloy steel | kg | Free |  | 1% | 
| 7306.69.50 | 00 | Of iron or nonalloy steel | kg | Free |  | 25% | 
| 7306.90.10 | 00 | Of iron or nonalloy steel | kg | Free |  | 5.5% | 
| 7307 |  | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: |  |  |  |  | 
| 7307.11.00 |  | Of nonmalleable cast iron |  | 4.8% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 25% | 
| 7307.11.00 | 45 | For cast-iron soil pipe | kg |  |  |  | 
| 7307.19.30 | 40 | Grooved-end fittings (including grooved couplings) | kg |  |  |  |