| 7304.11.00 | 00 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Of stainless steel | KGM | Free | CCCT, LDCT |
| 7304.19.00 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other | KGM | Free | CCCT, LDCT |
| 7304.19.00 | 11 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter not exceeding 265 mm: - Of iron or non-alloy steel | KGM | | |
| 7304.19.00 | 12 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter not exceeding 265 mm: - Of alloy steel | KGM | | |
| 7304.19.00 | 21 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 265 mm: - Of iron or non-alloy steel | KGM | | |
| 7304.19.00 | 22 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 265 mm: - Of alloy steel | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
