26,806 official source entries are searchable. Checked 2026-09-22; edition published 2026-09-15.
Printed tariff and statistical lines from this edition, separate from historical WITS averages. Blank duty cells are not a confirmed zero. Review the parent tariff line, general and chapter notes, chapter 99, origin, exclusions, quotas and additional duties. No shipment total or special-rate eligibility is calculated. The edition publication date is not a line-level effective date.
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel:
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters:
Having an outside diameter less than 38.1 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters:
Having an outside diameter of 38.1 mm or more but less than 190.5 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters:
Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters:
Having an outside diameter exceeding 285.8 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other:
Galvanized, having an outside diameter not exceeding 114.3 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other:
Having an outside diameter less than 38.1 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm:
Having a wall thickness less than 6.4 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm:
Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm:
Having a wall thickness exceeding 12.7 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter exceeding 114.3 mm but less than 190.5 mm:
Having a wall thickness less than 12.7 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter exceeding 114.3 mm but less than 190.5 mm:
Having a wall thickness of 12.7 mm or more but less than 19 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter exceeding 114.3 mm but less than 190.5 mm:
Having a wall thickness of 19 mm or more
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm:
Having a wall thickness less than 12.7 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm:
Having a wall thickness of 12.7 mm or more but less than 19 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm:
Having a wall thickness of 19 mm or more
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm:
Having a wall thickness less than 12.7 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm:
Having a wall thickness of 12.7 mm or more but less than 19 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm:
Having a wall thickness of 19 mm or more
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter exceeding 406.4 mm:
Having a wall thickness less than 19 mm
Source units: kg
Other
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of iron or nonalloy steel: › Other › Other: › Other: › Having an outside diameter exceeding 406.4 mm:
Having a wall thickness of 19 mm or more
Source units: kg
Other
Reported average: 0%.
Source year: 2023. Classification: HS 2022 (H6). Checked 2026-09-14.
National lines included: 1 of 1. Excluded from the average: 0.
Reported ad-valorem range: 0%–0%.
Reported historical ad-valorem MFN simple average for 2023, not a national tariff schedule. No preferential rates, additional duties, VAT, excise or import permissions are determined.
Not a current 2026 national duty. The HS6 average does not determine the duty of a particular national subdivision, origin or shipment.
WITS observation for this code and year
UN Comtrade H6 descriptions (HS 2022)
WITS API definitions: reported averages and excluded national lines
Direct HS code answer for United States
The source reports an indicative HS6 MFN average of 0.00% (2023 MFN average) for Iron or non-alloy steel (excluding cast iron); seamless, (excluding cold-drawn or cold-rolled), tubes, pipes and hollow profiles of circular cross-section.Source status: not assessed. Verify the exact national tariff line, origin treatment, taxes, restrictions, and current customs guidance before using this information in a declaration.
0.00% (2023 MFN average)
not assessed
Import planning
Request a one-page research summary with source checks, landed-cost inputs, and points to verify for HS code 730439 in United States.
Each destination shows its own source label. Oman uses its national schedule; Qatar and UAE entries may cite their separately published references and unresolved exceptions. Other entries retain the historical GCC reference. National codes, duty notes, restrictions and tax treatment can differ; verify with the destination customs authority.
| HS Code | Description | Duty |
|---|---|---|
| 730411 | Iron or steel (excluding cast iron); seamless, line pipe of a kind used for oil or gas pipelines, of stainless steel | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 730419 | Iron or steel (excluding cast iron or stainless steel); seamless, line pipe of a kind used for oil or gas pipelines | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 730422 | Steel, stainless; seamless, drill pipe, of a kind used in drilling for oil or gas | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 730423 | Iron or steel (excluding cast iron or stainless steel); seamless, drill pipe, of a kind used in drilling for oil or gas | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 730424 | Steel, stainless; seamless, casing and tubing, of a kind used in drilling for oil or gas | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 730429 | Iron or steel (excluding cast iron or stainless steel); seamless, casing and tubing, of a kind used in drilling for oil or gas | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 730431 | Iron or non-alloy steel (excluding cast iron); seamless, cold-drawn or cold-rolled, tubes, pipes and hollow profiles of circular cross-section | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 730441 | Steel, stainless; cold-drawn or cold-rolled (cold-reduced), tubes and pipes of circular cross-section | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 730449 | Steel, stainless; (excluding cold-drawn or cold-rolled), tubes pipes and hollow profiles of circular cross-section | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 730451 | Steel, alloy (not stainless steel); seamless, cold-drawn or cold-rolled (cold-reduced), tubes, pipes and hollow profiles of circular cross-section | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 730459 | Steel, alloy (not stainless steel); (excluding cold-drawn or cold-rolled), tubes, pipes and hollow profiles of circular cross-section | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
| 730490 | Iron or steel (excluding cast iron); seamless, tubes, pipes and hollow profiles, seamless, n.e.c. in heading no. 7304 | 0.00% (2023 MFN average)WITS 2023 historical MFN average |
Data source: WITS/UNCTAD TRAINS (MFN 2022). Values are indicative HS6 MFN averages, not shipment-specific applied rates. Import permission and restrictions are not assessed. Historical reference rates exclude VAT, excise and other national measures. Separate national entries preserve the columns printed by their source; these are not a complete shipment assessment. Full disclaimer.