7403.21.00.00Copper-zinc base alloys (brass)
Also written 7403210000 and 7403.21.0000
HTS Code 7403.21.00.00 covers any article best defined as Base Metals and Articles of Base MetalCopper and articles thereofRefined copper and copper alloys, unwrought (other than master alloys of heading 7405):Copper alloys:Copper-zinc base alloys (brass) in the Harmonized Tariff Schedule.
As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from China pay 26% in duties: the 1% base rate plus Section 301 – China (25%).
From China, the total duty on 7403.21.00.00 last changed on Feb 24, 2026, from 36% to 26%. It has changed 1 time since Nov 17, 2025.
Estimated Duty on 7403.21.00.00
$10,000.00 by ocean, entered Nov 9, 2026
- Total duty
- 26%
- $2,600.00 on this shipment
- Fees
- 0.47%
- MPF + HMF · $47.14
- Duty + fees
- 26.47%
- Payable to CBP
- Landed cost
- $12,647.14
- On $10,000.00 customs value
- Base duty1%
- Section 301 – China25%
- Customs fees0.47%
Chapter 99 lines9903.88.03Section 301 China: List 3
4 exemptions could lower this
Check them against your real shipment details.
Track Tariff Changes on 7403.21.00.00, Free
Save it to Duty Guard and watch its duty rate, free. Add tariff alerts and audits free for 7 days, no credit card required.
Base Duty Rates for 7403.21.00.00
From the Harmonized Tariff Schedule
- General Rate of Duty
- 1%
- Special Rate of Duty
- Free
- AAUBHCLCODEILJOKRMAOMPPAPESSG
- Column 2 (Non-NTR)
- 6%
- Units of Quantity
- kg
- China26%
- Mexico1%
- Canada1%
- Vietnam1%
- Germany1%
Tariff updates
Recent US tariff actions that name 7403.21.00.00 or its heading.
- Jul 21, 2026 · CBP guidanceUSTR imposes 25% Section 301 tariff on goods of Brazil, with exemptions, from July 22, 2026
- Nov 25, 2025 · CBP guidanceUS exempts certain agricultural products from IEEPA reciprocal tariffs
Top Origins: Countries the US Imports HTS 7403.21.00.00 From
In 2025 the US imported $136M of copper-zinc base alloys (brass) (HTS 7403.21.00.00), up 5% on 2024, mostly from Canada (97%), Italy (1%) and Spain (1%). Each country's total duty today is shown beside its imports.
| Country of origin | US imports, 2025 | Share | vs 2024 | Total duty today |
|---|---|---|---|---|
| Canada | $132M | 97% | 4% | 1%0% with USMCA |
| Italy | $1M | 1% | 2% | 1% |
| Spain | $976K | 1% | 344% | 1% |
| Switzerland | $512K | 0% | 1500% | 1% |
| Germany | $508K | 0% | 1273% | 1% |
| China | $142K | 0% | 79% | 26% |
| India | $132K | 0% | 4300% | 1% |
| France | $115K | 0% | New | 1% |
| Nicaragua | $113K | 0% | New | 1%0% with DR-CAFTA |
| Netherlands | $100K | 0% | 3233% | 1% |
Source: U.S. Census Bureau, general imports. Duty on a $10,000 ocean shipment entered today, before customs fees. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
US Import Duty on HTS 7403.21.00.00 by Country of Origin
As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from China pay 26% in duties: the 1% base rate plus Section 301 – China (25%). Of the 20 largest sources of US imports, the lowest total is 1%, from Mexico, Canada and 17 more.
| Country of origin | Base rate | Additional tariffs | Total duty |
|---|---|---|---|
| China | 1% |
| 26% |
| Mexico | 1% | None | 1%0% with USMCA |
| Canada | 1% | None | 1%0% with USMCA |
| Vietnam | 1% | None | 1% |
| Germany | 1% | None | 1% |
| Japan | 1% | None | 1% |
| South Korea | 1% | None | 1%0% with US-Korea FTA |
| Taiwan | 1% | None | 1% |
| India | 1% | None | 1% |
| Ireland | 1% | None | 1% |
| Italy | 1% | None | 1% |
| Switzerland | 1% | None | 1% |
| Thailand | 1% | None | 1% |
| Malaysia | 1% | None | 1% |
| United Kingdom | 1% | None | 1% |
| France | 1% | None | 1% |
| Indonesia | 1% | None | 1% |
| Brazil | 1% | None | 1% |
| Bangladesh | 1% | None | 1% |
| Cambodia | 1% | None | 1% |
Duty from each country, in words
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from China pay 26% in duties: the 1% base rate plus Section 301 – China (25%).
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Mexico pay the 1% base rate, with no additional tariffs. With USMCA, qualifying goods pay 0%.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Canada pay the 1% base rate, with no additional tariffs. With USMCA, qualifying goods pay 0%.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Vietnam pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Germany pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Japan pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from South Korea pay the 1% base rate, with no additional tariffs. With US-Korea FTA, qualifying goods pay 0%.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Taiwan pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from India pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Ireland pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Italy pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Switzerland pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Thailand pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Malaysia pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from United Kingdom pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from France pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Indonesia pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Brazil pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Bangladesh pay the 1% base rate, with no additional tariffs.
- As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Cambodia pay the 1% base rate, with no additional tariffs.
Duties on goods entered Nov 9, 2026 at the general rate (Column 2 where it applies), with tariff data verified through 2026 HTS Revision 20. Totals are before customs fees (MPF, HMF) and any antidumping or countervailing duties (AD/CVD); with a free account, the calculator checks the AD/CVD cases that may cover your import. Some tariffs and exemptions depend on details such as metal content or end use, which the calculator asks about. See US tariffs for every country.
Calculate Duty for Your ShipmentKnow the moment a tariff update hits 7403.21.00.00
Add it, with your country of origin, to Duty Guard, free for 7 days. It flags duty you may have overpaid on your entries, and when a new tariff action affects it, you hear about it first, with exactly what changes.
- Every entry audited for duty you may have overpaid
- Every new US tariff action checked against your imports, every hour
- An alert with the rate before and after, by email, Slack or Teams
- AD/CVD alerts when an import may fall under a case
New tariff action affects 1 of your imports
Its rate today, if a new 10% tariff were added
Relevant HTS Notes
Official USITC notes that may affect classification under HTS 7403.21.00.00.
Search CROSS Rulings for HTS 7403.21.00.00
See how Customs classified similar products. CBP's CROSS database holds the classification rulings that cite 7403.21.00.
Opens rulings.cbp.gov in a new tab.
What does HTS code 7403.21.00.00 cover?
HTS code 7403.21.00.00 covers copper-zinc base alloys (brass), classified under Chapter 74 (Copper and articles thereof) in the US Harmonized Tariff Schedule. The general duty rate is 1%.
What is the duty rate for HTS 7403.21.00.00?
The general (Column 1) rate of duty for HTS 7403.21.00.00 is 1%. Goods that qualify for a trade program can enter at the special rate: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG). The Column 2 rate, for countries without normal trade relations, is 6%. Additional Chapter 99 tariffs, such as Section 301 and Section 232, can apply on top depending on the country of origin.
What is the US tariff on copper-zinc base alloys (brass) (HTS 7403.21.00.00) from China?
As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from China pay 26% in duties: the 1% base rate plus Section 301 – China (25%).
What is the US tariff on copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Vietnam?
As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Vietnam pay the 1% base rate, with no additional tariffs.
What is the US tariff on copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Mexico?
As of Nov 9, 2026, US imports of copper-zinc base alloys (brass) (HTS 7403.21.00.00) from Mexico pay the 1% base rate, with no additional tariffs. Goods that qualify for USMCA pay 0%.
Where does the US import HTS 7403.21.00.00 from?
In 2025 the US imported $136M of copper-zinc base alloys (brass) under HTS 7403.21.00.00, mostly from Canada (97%), Italy (1%) and Spain (1%), according to U.S. Census Bureau import data.
Which country has the lowest US duty on HTS 7403.21.00.00?
Of the 20 largest sources of US imports, the lowest total duty on HTS 7403.21.00.00 is 1%, from Mexico, Canada and 17 more, as of the tariffs in effect on 2026-11-09.
Primary Sources
The official documents behind the rates and tariffs on this page. Duties are worked out from them as of Revision 20 (2026); check the legal text before you file.