7604.21.00
Hollow profiles
This code covers aluminum hollow profiles made of aluminum alloys. Use this code when importing these products to determine the applicable 1.5% general duty (or free rate for eligible countries) as defined within Chapter 76 of the Harmonized Tariff Schedule.

Detailed information for HTS Code 7604.21.00
This duty applies to aluminum bars, rods, and profiles within Chapter 76, specifically covering hollow profiles identified by code 7604.21.00. These hollow profiles are made of aluminum alloys and are further categorized by whether they are heat-treatable industrial alloys (7604.21.00.10) or another type of alloy (7604.21.00.90). Choose the appropriate statistical suffix based on the alloy composition, referencing statistical note 7 to determine if the product qualifies as a heat-treatable industrial alloy.
| Chapter | Chapter 76 - Aluminum and articles thereof |
| Section | Section XV - Base Metals and Articles of Base Metal |
Duty snapshot
Quick reference for the duty outcomes tied to this HTS line.
1.50%
Standard trade partners (NTR)
Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA, OM,P,PA,PE,S,SG)
Eligible FTA or preference programs
The general duty rate for HTS code 7604.21.00 (Hollow profiles) is 1.50%, applying to imports from countries without a preferential trade agreement. However, a duty-free rate (“Free”) is available for goods originating from countries eligible for FTA or preference programs like Australia, Bahrain, Canada, and others listed. This special rate also applies to the subdivisions 7604.21.00.10 (Heat-treatable industrial alloys) and 7604.21.00.90 (Other). All imports under this code and its subdivisions must be reported in kilograms (kg). There is no specified information about other rates or conditions.
Rate of Duty (Column 2): 15.50%
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Code subdivisions
7604.21.00.10
Aluminum bars, rods and profiles: > Of aluminum alloys: > Hollow profiles > Heat-treatable industrial alloys of a kind described in statistical note 7 to this chapter
7604.21.00.90
Aluminum bars, rods and profiles: > Of aluminum alloys: > Hollow profiles > Other
Chapter & section notes
Chapter notes
Section notes
Latest update
Last updated
November 15, 2025
Revised every January & July
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