| 7306.61.50 | 00 | Of iron or nonalloy steel | kg | Free |  | 25% | 
| 7306.61.70 |  | Of alloy steel |  | Free |  | 35% | 
| 7306.69.10 | 00 | Having a wall thickness of 4 mm or more: |  |  |  |  | 
| 7306.69.10 | 00 | Of iron or nonalloy steel | kg | Free |  | 1% | 
| 7306.69.30 | 00 | Of alloy steel | kg | Free |  | 28% | 
| 7306.69.50 | 00 | Having a wall thickness of less than 4 mm: |  |  |  |  | 
| 7306.69.50 | 00 | Of iron or nonalloy steel | kg | Free |  | 25% | 
| 7306.69.70 |  | Of alloy steel |  | Free |  | 35% | 
| 7306.90.10 | 00 | Of iron or nonalloy steel | kg | Free |  | 5.5% | 
| 7306.90.50 | 00 | Of alloy steel | kg | Free |  | 10% | 
| 7307.11.00 |  | Of nonmalleable cast iron |  | 4.8% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 25% | 
| 7307.19.30 | 70 | With mechanical, push-on (rubber compression) or flanged joints attached | kg |  |  |  | 
| 7307.91.10 | 00 | Of iron or nonalloy steel | kg | 3.3% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 25% | 
| 7307.91.30 | 00 | Of alloy steel (except stainless steel) | kg | 3.2% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 33% | 
| 7307.91.50 | 10 | Of iron or nonalloy steel | kg |  |  |  | 
| 7307.91.50 | 30 | Of alloy steel (except stainless steel) | kg |  |  |  | 
| 7307.91.50 | 50 | Of iron or nonalloy steel | kg |  |  |  | 
| 7307.91.50 | 70 | Of alloy steel (except stainless steel) | kg |  |  |  | 
| 7307.92.30 | 10 | Of iron or nonalloy steel | kg |  |  |  | 
| 7307.92.30 | 30 | Of alloy steel (except stainless steel) | kg |  |  |  | 
| 7307.93.30 |  | Of iron or nonalloy steel |  | 6.2% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MX,P,SG) 4.1% (MA) | 45% | 
| 7307.93.60 | 00 | Of alloy steel (except stainless steel) | kg | 5.5% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P, SG) | 45% | 
| 7307.93.90 | 10 | Of iron or nonalloy steel: |  |  |  |  | 
| 7307.93.90 | 60 | Of alloy steel (except stainless steel) | kg |  |  |  | 
| 7307.99.10 | 00 | Of iron or nonalloy steel | kg | 3.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 25% |