| 7304.41.99 | 21 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - Cold-drawn or cold-rolled (cold-reduced) - Other: - Other - Pressure tubes and pipes: - For power boilers | KGM | | |
| 7304.41.99 | 29 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - Cold-drawn or cold-rolled (cold-reduced) - Other: - Other - Pressure tubes and pipes: - Other | KGM | | |
| 7304.41.99 | 90 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - Cold-drawn or cold-rolled (cold-reduced) - Other: - Other - Other | KGM | | |
| 7304.49.00 | 10 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - Other - Hollow profiles, hot-rolled or extruded, for use in the manufacture of cold-drawn or cold-rolled (cold-reduced) seamless steel tubes or pipes; Tubes and pipes, centrifigally cast, with plain ends, having a wall thickness of 15.875 mm or more but not exceeding 63.5 mm, for use in the manufacture of rolls for paper-making machinery | KGM | | |
| 7304.49.00 | 20 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - Other - Tubes and pipes, for power boilers | KGM | | |
| 7304.49.00 | 30 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - Other - Mechanical tubes and pipes | KGM | | |
| 7304.51.00 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Cold-drawn or cold-rolled (cold-reduced) | KGM | Free | AUT, NZT, |
| 7304.51.00 | 10 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Mechanical tubes and pipes | KGM | | |
| 7304.51.00 | 20 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Pressure tubes and pipes | KGM | | |
| 7304.51.00 | 90 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Other | KGM | | |
| 7304.59.00 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other | KGM | Free | CCCT, LDCT |
| 7304.59.00 | 10 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - For use in the manufacture of drill pipe, casing or tubing, or fittings, couplings, thread protectors or nipples therefor, for natural gas or oil wells;
To be employed in pneumatically breaking down the working face of a mine in mining, quarrying or developing mineral deposits;
Tubes and pipes, of an external diameter of 177.8 mm and of a wall thickness of 4.4 mm or 4.9 mm, for use in the manufacture of high pressure cylinders for the industrial gas market;
Tubes and pipes, to specification ASTM A-519, Grade 8620, AISI 52100 or ASTM 485, stress relieved and annealed, of an external diameter of 130 mm or more but not exceeding 440 mm and of a wall thickness of 28 mm or more but not exceeding 80 mm, for use in the manufacture of pellet rolls for animal feed or wood chip pellet mills;
Tubes and pipes, of a diameter of 8 cm or more but not exceeding 13 cm, for use in the manufacture of oil well perforating guns | KGM | | |
| 7304.59.00 | 20 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Tubes and pipes, for use in the manufacture or repair of pressure parts of boilers, pulp mill digesters or vessels for the refining of oil | KGM | | |
| 7304.59.00 | 30 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Mechanical tubes and pipes | KGM | | |
| 7304.59.00 | 40 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes | KGM | | |
| 7304.59.00 | 90 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Other | KGM | | |
| 7304.90.00 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other | KGM | Free | AUT, NZT, |
| 7304.90.00 | 11 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other - Mechanical tubes and pipes: - Of iron or non-alloy steel | KGM | | |
| 7304.90.00 | 12 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other - Mechanical tubes and pipes: - Of alloy steel | KGM | | |
| 7304.90.00 | 91 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other - Other: - Of iron or non-alloy steel | KGM | | |
| 73.06 | | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. | | | |
| 7306.11.00 | 00 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Line pipe of a kind used for oil or gas pipelines: - Welded, of stainless steel | KGM | Free | CCCT, LDCT |
| 7306.19.00 | | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Line pipe of a kind used for oil or gas pipelines: - Other | KGM | Free | CCCT, LDCT |
| 7306.19.00 | 10 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an A.P.I. grade not exceeding X-52 | KGM | | |
| 7306.19.00 | 90 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Other | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
