Chapter 73 · Articles of iron or steel · Section 15
HS Code 7307.21
Flanges
Heading 7307: Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
US HTS + UK Tariff v4.0.1633 · updated 2026-10-21 · sources
Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.
United States - HTS lines under 7307.21
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 7307.21.10 |
Flanges > Not machined, not tooled and not otherwise processed after forging |
3.3% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 34% | kg |
| 7307.21.50 |
Flanges > Other |
5.6% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
Estimate the US duty runs in your browser · no caps
Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 7307.21
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 7307 21 00 | Flanges | EU duty (TARIC) → |
United Kingdom - commodity codes under 7307.21
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 7307 21 00 00 | Flanges | UK duty & VAT → |
| 7307 21 00 10 | For use in certain types of aircraft | UK duty & VAT → |
| 7307 21 00 90 | Other | UK duty & VAT → |
Nearby codes in heading 7307
The subheadings immediately before and after 7307.21 in chapter 73.
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.
Frequently asked questions
Common questions about HS code 7307.21.
What is HS code 7307.21?
HS code 7307.21 covers: Flanges. It belongs to chapter 73 (Articles of iron or steel) of the Harmonized System.
What is the US import duty for HS code 7307.21?
The US general (normal trade relations) rates under this subheading range: 3.3% - 5.6%. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.
What is the UK commodity code for 7307.21?
The UK extends 7307.21 to 3 declarable 10-digit commodity codes, starting with 7307210000. The full code goes on the UK customs declaration.