| 7304.23.00 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other drill pipe | KGM | Free | CCCT, LDCT |
| 7304.23.00 | 11 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other drill pipe - New: - Of iron or non-alloy steel | KGM | | |
| 7304.23.00 | 12 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other drill pipe - New: - Of alloy steel | KGM | | |
| 7304.23.00 | 91 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other drill pipe - Other: - Of iron or non-alloy steel | KGM | | |
| 7304.23.00 | 92 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other drill pipe - Other: - Of alloy steel | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
