Structural Steel · Hollow sections
Circular hollow sections (CHS)
Names: Ống tròn kết cấu (CHS) · Circular hollow sections (CHS) ADVISORY
Welded or seamless circular steel tubes for structural use.
Possible HS codes
HS codes are never confirmed from a trade name. Official classification depends on actual characteristics, notes and the six rules.
Product–HS mappings
| HS prefix | Notes | Confidence | Review | Source |
|---|---|---|---|---|
| 7306.30 | Ống hàn mặt cắt tròn, thép không hợp kim | High | Unreviewed | Editorial mapping from HS 2022/AHTN 2022 heading texts (Viet Nam nomenclature, TT 31/2022/TT-BTC) |
| 7305.19 | Ống hàn đường kính ngoài > 406,4 mm | Medium | Unreviewed | Editorial mapping from HS 2022/AHTN 2022 heading texts (Viet Nam nomenclature, TT 31/2022/TT-BTC) |
| 7304.19 | Ống đúc liền | Medium | Unreviewed | Editorial mapping from HS 2022/AHTN 2022 heading texts (Viet Nam nomenclature, TT 31/2022/TT-BTC) |
Tariff lines (13) – 2026 rates
| HS code | Description | Ordinary import duty | MFN | VAT | |
|---|---|---|---|---|---|
| 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 | 5% | 0% | 10 / 8 (several rates) | Advise |
| 7305.19.10 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel / - Line pipe of a kind used for oil or gas pipelines: / - - Other: / - - - Spiral or helical submerged arc welded | 15% | 10% | 10 / 8 (several rates) | Advise |
| 7305.19.90 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel / - Line pipe of a kind used for oil or gas pipelines: / - - Other: / - - - Other | 15% | 10% | 10 / 8 (several rates) | Advise |
| 7306.30.11 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel / - Other, welded, of circular cross-section, of iron or non-alloy steel: / - - Boiler tubes: / - - - With an external diameter less than 12.5 mm | 15% | 10% | 10 / 8 (several rates) | Advise |
| 7306.30.19 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel / - Other, welded, of circular cross-section, of iron or non-alloy steel: / - - Boiler tubes: / - - - Other | 15% | 10% | 10 / 8 (several rates) | Advise |
| 7306.30.21 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel / - Other, welded, of circular cross-section, of iron or non-alloy steel: / - - Copper-plated, fluororesin-coated or zinc-chromated steel tubes with an external diameter not exceeding 15 mm: / - - - With an external diameter less than 12.5 mm | 15% | 10% | 10 / 8 (several rates) | Advise |
| 7306.30.29 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel / - Other, welded, of circular cross-section, of iron or non-alloy steel: / - - Copper-plated, fluororesin-coated or zinc-chromated steel tubes with an external diameter not exceeding 15 mm: / - - - Other | 15% | 10% | 10 / 8 (several rates) | Advise |
| 7306.30.30 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel / - Other, welded, of circular cross-section, of iron or non-alloy steel: / - - Pipe of a kind used to make sheath pipe (heater pipe) for heating elements of electric flat irons or rice cookers, with an external diameter not exceeding 12 mm | 15% | 10% | 10 / 8 (several rates) | Advise |
| 7306.30.41 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel / - Other, welded, of circular cross-section, of iron or non-alloy steel: / - - High-pressure pipe with a yield strength not less than 42,000 psi: / - - - With an external diameter less than 12.5 mm | 7.5% | 5% | 10 / 8 (several rates) | Advise |
| 7306.30.49 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel / - Other, welded, of circular cross-section, of iron or non-alloy steel: / - - High-pressure pipe with a yield strength not less than 42,000 psi: / - - - Other | 7.5% | 5% | 10 / 8 (several rates) | Advise |
| 7306.30.91 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel / - Other, welded, of circular cross-section, of iron or non-alloy steel: / - - Other: / - - - With an internal diameter of 12.5 mm or more, an external diameter less than 140 mm and containing by weight less than 0.45% of carbon | 15% | 10% | 10 / 8 (several rates) | Advise |
| 7306.30.92 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel / - Other, welded, of circular cross-section, of iron or non-alloy steel: / - - Other: / - - - With an internal diameter less than 12.5 mm | 15% | 10% | 10 / 8 (several rates) | Advise |
| 7306.30.99 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel / - Other, welded, of circular cross-section, of iron or non-alloy steel: / - - Other: / - - - Other | 15% | 10% | 10 / 8 (several rates) | Advise |