UK Global Tariff · commodity code · HS 7307.23
7307 23 90 35: Stainless steel butt welding fittings: For use in certain types of aircraft
Stainless steel butt welding fittings
✓ Can be used in a customs declaration Data: UK Global Tariff · checked on 24 October 2026
- 7307 Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
- Other, of stainless steel
- 7307 23 00 00 Butt welding fittings
- 7307 23 90 00 Other
- Of austenitic stainless steel grades, corresponding to aisi types 304, 304l, 316, 316l, 316ti, 321 and 321h and their equivalent in the other norms, with a greatest external diameter not exceeding 406.4 mm and a wall thickness of 16 mm or less, with a roughness average (ra) of the internal surface not less than 0.8 micrometres, not flanged, whether or not finished
- Consigned from Malaysia
- 7307 23 90 35 For use in certain types of aircraft
What you pay
Importing into UK
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 2
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 376
- Documents
- 9008
- Duty suspensionAirworthiness tariff suspension Free
- Applies to goods from
- all countries
- Legal act
- S.I. 2018/1249
- Documents
- C119 Authorised Release Certificate — EASA Form 1 (Appendix I to Annex I to Regulation (EU) No 748/2012), or equivalent certificate
Import requirements 3
- Prohibition or restrictionImport prohibition
- Applies to goods from
- North Korea
- Legal act
- S.I. 2019/411
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Belarus, Russia, Ukraine
- Legal act
- 2022 No. 748, S.I. 2019/855, S.I. 2022/395
- Documents
- 9024
- 9011
- 9022
- 9038
- 9063
- 9009
- 9010
- 9017
- Import controlImport control on restricted goods and technologies
- Applies to goods from
- Iran
- Legal act
- S.I. 2019/461
- Documents
- Y966 Goods other than those described in the MG footnotes linked to the measure (Missile Technology Control Regime list - Annex III of Reg. (EU) 267/2012)
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | Free |
| DCTS Comprehensive | Afghanistan, Angola, Bangladesh, Benin and 37 moreAfghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia | Free |
| European Union (including code " EU") | Free | |
| DCTS Enhanced | Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 moreAlgeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu | Free |
| CARIFORUM | Antigua & Barbuda, Bahamas, Barbados, Belize and 10 moreAntigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago | Free |
| OCTs (Overseas Countries and Territories) | Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 moreAnguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands | Free |
| Central America | Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama | Free |
| SADC EPA | Botswana, Eswatini, Lesotho, Mozambique, Namibia | Free |
| Eastern and Southern Africa States | Comoros, Madagascar, Mauritius, Seychelles, Zimbabwe | Free |
| CPTPP | Brunei, Malaysia | Free |
| UK–Andorra agreement | Andorra | Free |
| UK–Albania agreement | Albania | Free |
| UK–Australia agreement | Australia | Free |
| UK–Canada agreement | Canada | Free |
| UK–Switzerland agreement | Switzerland | Free |
| UK–Côte d’Ivoire agreement | Côte d’Ivoire | Free |
| UK–Chile agreement | Chile | Free |
| UK–Cameroon agreement | Cameroon | Free |
| UK–Colombia agreement | Colombia | Free |
| UK–Ceuta & Melilla agreement | Ceuta & Melilla | Free |
| UK–Ecuador agreement | Ecuador | Free |
| UK–Egypt agreement | Egypt | Free |
| UK–Fiji agreement | Fiji | Free |
| UK–Faroe Islands agreement | Faroe Islands | Free |
| UK–Georgia agreement | Georgia | Free |
| UK–Ghana agreement | Ghana | Free |
| DCTS Standard | Indonesia | Free |
| UK–Israel agreement | Israel | Free |
| UK–India agreement | India | Free |
| UK–Iceland agreement | Iceland | Free |
| UK–Jordan agreement | Jordan | Free |
| UK–Japan agreement | Japan | Free |
| UK–Kenya agreement | Kenya | Free |
| UK–South Korea agreement | South Korea | Free |
| UK–Lebanon agreement | Lebanon | Free |
| UK–Liechtenstein agreement | Liechtenstein | Free |
| UK–Morocco agreement | Morocco | Free |
| UK–Moldova agreement | Moldova | Free |
| UK–North Macedonia agreement | North Macedonia | Free |
| UK–Mexico agreement | Mexico | Free |
| UK–Norway agreement | Norway | Free |
| UK–New Zealand agreement | New Zealand | Free |
| UK–Peru agreement | Peru | Free |
| UK–Papua New Guinea agreement | Papua New Guinea | Free |
| UK–Palestinian Territories agreement | Palestinian Territories | Free |
| UK–Serbia agreement | Serbia | Free |
| UK–Solomon Islands agreement | Solomon Islands | Free |
| UK–Singapore agreement | Singapore | Free |
| UK–San Marino agreement | San Marino | Free |
| UK–Tunisia agreement | Tunisia | Free |
| UK–Türkiye agreement | Türkiye | Free |
| UK–Ukraine agreement | Ukraine | Free |
| UK–Vietnam agreement | Vietnam | Free |
| UK–Samoa agreement | Samoa | Free |
| UK–Kosovo agreement | Kosovo | Free |
| UK–South Africa agreement | South Africa | Free |
Footnotes
TN057 The Russia (Sanctions) (EU Exit) Regulations 2019 impose trade restrictions on certain goo…
TN209 The Iran (Sanctions) (Nuclear) (EU Exit) Regulations 2019 impose trade restrictions on cer…
TN701 According to the Council Regulation (EU) No 692/2014 (OJ L183, p. 9), as retained in UK La…
The prohibition shall not apply in respect of:
(a) the execution until 26 September 2014, of trade contracts concluded before 25 June 2014, or of ancillary contracts necessary for the execution of such contracts, provided that the natural or legal persons, entity or body seeking to perform the contract have notified, at least 10 working days in advance, the activity or transaction to the competent authority of the Member State in which they are established.
(b) goods originating in Crimea or Sevastopol which have been made available to the Ukrainian authorities for examination, for which compliance with the conditions conferring entitlement to preferential origin has been verified and for which a certificate of origin has been issued in accordance with Regulation (EU) No 978/2012 and Regulation (EU) No 374/2014, as retained in UK Law, or in accordance with the EU-Ukraine Association Agreement
TN702 According to the Council Regulation (EU) No 1351/2014 (OJ L365, p. 46), the export of good…
(a) to any natural or legal person, entity or body in Crimea or Sevastopol, or
(b) for use in Crimea or Sevastopol.
The prohibitions shall be without prejudice to the execution until 21 March 2015 of an obligation arising from a contract concluded before 20 December 2014, or by ancillary contracts necessary for the execution of such contracts, provided that the competent authority has been informed at least five working days in advance.
When related to the use in Crimea or Sevastopol, the prohibitions do not apply where there are no reasonable grounds to determine that the goods and technology or the services are to be used in Crimea or Sevastopol.
UK: imports by month · HS 7307.23
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 China | £4.9m | 18.8% | -40.3% |
 Italy | £3.3m | 12.6% | -40.5% |
 Spain | £3.1m | 11.7% | +27.1% |
 Germany | £2.9m | 11.1% | +32.7% |
 Sweden | £2.6m | 9.8% | +15.1% |
 France | £1.7m | 6.4% | +19.7% |
 United States | £1.6m | 6.2% | +29.9% |
 Finland | £1.4m | 5.2% | +117.2% |
Same subheading in other tariffs
7307.23 Other, of stainless steel: butt welding fittings
EU 3.7% Third-country duty 2 tariff lines 
Türkiye 3.7% Third-country duty 2 tariff lines USA 5% General (MFN) 1 tariff line 
Canada Free Third-country duty 1 tariff line 
Mexico 35% Third-country duty 2 tariff lines 
Brazil 12.6% Third-country duty 1 tariff line 
Argentina 12.6% Third-country duty 1 tariff line 
Peru Free Third-country duty 1 tariff line 
New Zealand Free – 5% Third-country duty 2 tariff lines · average 2.5% 
Japan Free Third-country duty 1 tariff line 
Taiwan 10% Third-country duty 1 tariff line 
GCC 5% Third-country duty 1 tariff line 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia 12% Third-country duty 2 tariff lines 
Nigeria 20% Third-country duty 1 tariff line UK lines: 7307.23
- 7307 23 10 35For use in certain types of aircraft
- 7307 23 10 40Of austenitic stainless steel grades, corresponding to aisi: consigned from Malaysia, other
- 7307 23 10 50For use in certain types of aircraft
- 7307 23 10 55Of austenitic stainless steel grades, corresponding to aisi: other, other
- 7307 23 10 80For use in certain types of aircraft
- 7307 23 10 85Other, of stainless steel: butt welding fittings, elbows and bends, other, other
- 7307 23 90 35For use in certain types of aircraft
- 7307 23 90 40Of austenitic stainless steel grades, corresponding to aisi: consigned from Malaysia, other
- 7307 23 90 50For use in certain types of aircraft
- 7307 23 90 55Of austenitic stainless steel grades, corresponding to aisi: other, other
- 7307 23 90 80For use in certain types of aircraft
- 7307 23 90 85Other, of stainless steel: butt welding fittings, other, other, other
Binding rulings for similar goods
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- N314653 U.S. CBP
The tariff classification of unfinished butt weld pipe fittings from Italy
- N300730 U.S. CBP
The tariff classification of a stainless steel pipe fitting from China
- 600016200 HMRC
Stainless Steel RJT Union Connection Parts used for joining pipework, filters, tanks or valves in breweries and dairy factories. The connection is made of 4 parts, 1 austenitic hexagon nut, 1 austenitic threaded male, 1 austenitic liner and 1 Rubber EPDM seal. The two end components are to be…
- 600015806 HMRC
Individually packaged stainless steel pipefittings. Butt welded tee pieces in various sizes, minimum diameter 12.7mm, maximum of 406mm outside diameter. All sizes have a maximum wall thickness of no more than 2mm, with a roughness average (ra) of the internal surface 0.8 microns and not cast or…
- 600014690 HMRC
The product is a stainless-steel pipe connection; this is used for quick access to open a pipeline. One end is welded, and the other end sits in the nut part of the union. The screw nut closes or opens the union for quick access to open the line. Made from from forging Stainless Steel austenitic…
- 600014809 HMRC
A stainless-steel butt weld fitting ferrule connection, used as a quick release union, allowing quick access to open up a pipeline/filters or machines. One end is welded on, and the other end (flange end) is connected with a quick release clamp. Secured by tightening the screw on the clamp. They…
7 rulings in total for this code
Legal notes
Commodity code 7307 23 90 35 is a line of the UK Global Tariff under HS subheading 7307.23 (other, of stainless steel: butt welding fittings).
The third-country duty is free.
174 countries pay no duty in the UK thanks to trade agreements and preference schemes such as DCTS Comprehensive and European Union, against a standard rate of Free.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
Imports of stainless steel butt welding fittings (HS 7307.23) into the UK came to £26.2m between September 2025 and August 2026 (down 9% on the year before); China supplied 19%, followed by Italy.
For the same subheading, the EU duty is 3.7%, the Türkiye duty is 3.7%, the US duty is 5%, the Canada duty is free, the Mexico duty is 35%, the Brazil duty is 12.6%, the Argentina duty is 12.6%, the Peru duty is free, the New Zealand duty is 0%–5%, the Japan duty is free, the Taiwan duty is 10%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 12% and the Nigeria duty is 20%.
The UK imported goods of subheading 7307.23 worth US$36m in 2024; the largest supplier was China.
Questions and answers
What is the UK import duty for commodity code 7307 23 90 35?
The third-country duty in the UK Global Tariff is free. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Which countries get a lower rate on 7307 23 90 35?
174 countries have a preferential rate on this line, 174 of them at 0%, under DCTS Comprehensive, European Union and DCTS Enhanced and other arrangements. The rate applies only to goods that meet the rules of origin of the agreement, with proof of origin. Choose the country of origin on this page to see its rate.
Do anti-dumping or other extra duties apply to 7307 23 90 35?
Additional duty of 35% on goods from Belarus and Russia. These are charged on top of the customs duty.
Where does the UK import these goods from?
For subheading 7307.23 as a whole, the largest supplier in 2024 was China (US$8m), followed by Italy.