| 7304.31 | | Other, of circular cross section, of iron or nonalloy steel: | | | | |
| 7304.31 | | Cold-drawn or cold-rolled (cold-reduced): | | | | |
| 7304.31.30 | 00 | Hollow bars | kg | Free | | 22% |
| 7304.39.00 | 48 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7304.39.00 | 52 | Having a wall thickness of 12.7 mm or more but less than 19 mm | kg | | | |
| 7304.39.00 | 56 | Having a wall thickness of 19 mm or more | kg | | | |
| 7304.39.00 | 28 | Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm | kg | | | |
| 7304.39.00 | 32 | Having a wall thickness exceeding 12.7 mm | kg | | | |
| 7304.39.00 | 36 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7304.39.00 | 40 | Having a wall thickness of 12.7 mm or more but less than 19 mm | kg | | | |
| 7304.39.00 | 44 | Having a wall thickness of 19 mm or more | kg | | | |
| 7304.39.00 | 62 | Having a wall thickness less than 12.7 mm | kg | | | |
| 7304.39.00 | 68 | Having a wall thickness of 12.7 mm or more but less than 19 mm | kg | | | |
| 7304.39.00 | 72 | Having a wall thickness of 19 mm or more | kg | | | |
| 7304.39.00 | 76 | Having a wall thickness less than 19 mm | kg | | | |
| 7304.39.00 | 80 | Having a wall thickness of 19 mm or more | kg | | | |
| 7304.39.00 | 24 | Having a wall thickness less than 6.4 mm | kg | | | |
| 7304.41 | | Cold-drawn or cold-rolled (cold-reduced): | | | | |
| 7304.41.30 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.41.60 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.49.00 | 05 | Of high-nickel alloy steel | kg | | | |
| 7304.49.00 | 15 | Hollow bars | kg | | | |
| 7304.51 | | Other, of circular cross section, of other alloy steel: | | | | |
| 7304.51 | | Cold-drawn or cold-rolled (cold-reduced): | | | | |
| 7304.51.10 | 00 | Suitable for use in the manufacture of ball or roller bearings | kg | Free | | 34% |
