Harmonized Tariff Schedule of the United States · HTS code · HS 7304.90
7304.90.30: Having a wall thickness of 4 mm or more: of alloy steel
Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026
- 7304 Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel:
- 7304.90 Other:
- Having a wall thickness of 4 mm or more:
- 7304.90.30 Of alloy steel
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 1
- Additional dutySection 301 — China — technology transfer, IP and innovation (2018 actions and 2024 four-year review) 7.5%
- Applies to goods from
- China
- In force
- from 1 September 2019
- Legal act
- HTSUS 9903.88.15
Same subheading in other tariffs
7304.90 Tubes, pipes and hollow profiles, seamless, of iron: other
UK Free Third-country duty 3 tariff lines 
EU Free Third-country duty 1 tariff line 
Türkiye Free Third-country duty 2 tariff lines 
Canada Free Third-country duty 2 tariff lines 
Mexico 35% Third-country duty 1 tariff line 
Brazil 14.4% – 16% Third-country duty 3 tariff lines · average 15.5% 
Argentina 16% Third-country duty 5 tariff lines 
Peru Free Third-country duty 1 tariff line 
New Zealand Free – 5% Third-country duty 7 tariff lines · average 3.6% 
Japan Free Third-country duty 3 tariff lines 
Taiwan Free 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 2 tariff lines 
North Macedonia Free Third-country duty 1 tariff line 
Nigeria 20% Third-country duty 1 tariff line USA lines: 7304.90
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.
- H240506 U.S. CBP
Application for Further Review of Protest No. 0712-13-100009; Classification of SuperSand Filter Components
- 600010273 HMRC
A Steel Tube Metal Insert measuring 38 x 38mm and 0.8mm thick. The product is used as a metal insert for composite louvre cladding profile to help improve structural integrity. The tubes are packed in 2's in pallets.
Legal notes
HTS code 7304.90.30 is a line of the Harmonized Tariff Schedule of the United States under HS subheading 7304.90 (tubes, pipes and hollow profiles, seamless, of iron: other).
The general duty is free, and quantities are declared in kg.
For the same subheading, the UK duty is free, the EU duty is free, the Türkiye duty is free, the Canada duty is free, the Mexico duty is 35%, the Brazil duty is 14.4%–16%, the Argentina duty is 16%, the Peru duty is free, the New Zealand duty is 0%–5%, the Japan duty is free, the Taiwan duty is free, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 20%.
The United States imported goods of subheading 7304.90 worth US$67m in 2024; the largest supplier was France.
Questions and answers
What is the USA import duty for HTS code 7304.90.30?
The general duty in the Harmonized Tariff Schedule of the United States is free; the supplementary unit is kg. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Where does the United States import these goods from?
For subheading 7304.90 as a whole, the largest supplier in 2024 was France (US$42.3m), followed by China.