Harmonized Tariff Schedule of the United States · HTS code · HS 7307.99
7307.99.50: Tube or pipe fittings: other, other, other
Other steel pipe fittings
Not declarable on its own: use one of its 3 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026
- 7307 Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel:
- Other:
- 7307.99 Other:
- 7307.99.50 Other
What you pay
Importing into USA
US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.
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 4
- Additional dutySection 232 — Steel, aluminium, copper and derivatives 50%
- Applies to goods from
- all countries except United Kingdom, Russia
- In force
- from 6 April 2026
- Legal act
- HTSUS 9903.82.02
- Additional dutySection 232 — Steel, aluminium, copper and derivatives 25%
- Applies to goods from
- United Kingdom
- In force
- from 6 April 2026
- Legal act
- HTSUS 9903.82.04
- Additional dutySection 232 — Steel, aluminium, copper and derivatives 50%
- Applies to goods from
- Russia
- In force
- from 6 April 2026
- Legal act
- HTSUS 9903.82.14
- Additional dutySection 301 — China — technology transfer, IP and innovation (2018 actions and 2024 four-year review) 25%
- Applies to goods from
- China
- In force
- from 24 September 2018
- Legal act
- HTSUS 9903.88.03
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| General (MFN) | — | 4.3% |
| US–Australia FTA AU | Australia | Free |
| US–Bahrain FTA BH | Bahrain | Free |
| US–Chile FTA CL | Chile | Free |
| US–Colombia TPA CO | Colombia | Free |
| US–Israel FTA IL | Israel | Free |
| US–Jordan FTA JO | Jordan | Free |
| US–Japan Trade Agreement JP | Japan | Free |
| US–Korea FTA KR | South Korea | Free |
| US–Morocco FTA MA | Morocco | Free |
| US–Oman FTA OM | Oman | Free |
| CAFTA-DR P | Costa Rica, Dominican Republic, El Salvador, Guatemala, Honduras, Nicaragua | Free |
| US–Panama TPA PA | Panama | Free |
| US–Peru TPA PE | Peru | Free |
| USMCA S | Canada, Mexico | Free |
| US–Singapore FTA SG | Singapore | Free |
| Column 2 | Cuba, North Korea, Russia, Belarus | 45% |
Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).
Subdivisions
- 7307.99.50 Other 4.3%
- 7307.99.50.15 Nipples kg
- 7307.99.50.45 Other kg
- 7307.99.50.60 Of alloy steel (except stainless steel) kg
Same subheading in other tariffs
7307.99 Tube or pipe fittings: other, other
UK Free Third-country duty 11 tariff lines 
EU 3.7% Third-country duty 2 tariff lines 
Türkiye 3.7% Third-country duty 2 tariff lines 
Canada Free Third-country duty 4 tariff lines 
Mexico Free Third-country duty 4 tariff lines 
Brazil 12.6% Third-country duty 1 tariff line 
Argentina 12.6% Third-country duty 2 tariff lines 
Peru Free Third-country duty 1 tariff line 
New Zealand 5% Third-country duty 3 tariff lines 
Japan Free Third-country duty 1 tariff line 
Taiwan 7.5% 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 7.5% Third-country duty 2 tariff lines 
Nigeria 20% Third-country duty 1 tariff line USA lines: 7307.99
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.
- N346364 U.S. CBP
The tariff classification of items used in the production of oil and gas from China
- N329384 U.S. CBP
The tariff classification of electrical conduit fittings from China
- N314365 U.S. CBP
The tariff classification of carbon steel pipe and pipe fittings from Turkey
- N308521 U.S. CBP
The tariff classification of gas meter manifolds from China or South Korea
- N300093 U.S. CBP
The tariff classification of pipe fittings from China
- N289783 U.S. CBP
The tariff classification of compression nut fittings and a fitting body from China and Taiwan
- H259349 U.S. CBP
Steel tube fittings; New York Ruling E83408; 19 U.S.C. 1516; 19 C.F.R. Part 175; Domestic Interested Party; Subheading 7307.99.50, HTSUS; Subheading 8412.90.90, HTSUS
Legal notes
HTS code 7307.99.50 is a line of the Harmonized Tariff Schedule of the United States under HS subheading 7307.99 (tube or pipe fittings: other, other).
The general duty is 4.3%.
3 statistical sub-lines below it are used in the declaration.
For the same subheading, the UK duty is free, the EU duty is 3.7%, the Türkiye duty is 3.7%, the Canada duty is free, the Mexico duty is free, the Brazil duty is 12.6%, the Argentina duty is 12.6%, the Peru duty is free, the New Zealand duty is 5%, the Japan duty is free, the Taiwan duty is 7.5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 7.5% and the Nigeria duty is 20%.
The United States imported goods of subheading 7307.99 worth US$553m in 2024; the largest supplier was China.
Questions and answers
What is the USA import duty for HTS code 7307.99.50?
The general duty in the Harmonized Tariff Schedule of the United States is 4.3%. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Is there a lower rate for 7307.99.50 under US trade agreements?
Yes. The Special column reads “Free (A, AU,B, BH, CL, CO,D,E, IL, JO, JP, KR, MA, OM,P, PA, PE,S, SG)”: the letters in brackets name the agreements and programmes that grant it.
Where does the United States import these goods from?
For subheading 7307.99 as a whole, the largest supplier in 2024 was China (US$147m), followed by Germany.