| 7307.99.00 | 91 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other - Of alloy steel, other than stainless steel: - Couplings | KGM | | |
| 7307.99.00 | 99 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other - Of alloy steel, other than stainless steel: - Other | KGM | | |
| 7307.99.00 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other | KGM | Free | AUT, NZT, |
| 7307.99.00 | 81 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other - Of iron or non-alloy steel: - Couplings | KGM | | |
| 7307.99.00 | 89 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other - Of iron or non-alloy steel: - Other | KGM | | |
| 7307.99.00 | 10 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other - Of alloy steel, other than stainless steel, further worked than forged or bent to shape, for installation between the wellhead assembly or surface oil pumping unit and the field marketing valve at oil or natural gas wells | KGM | | |
