HTS heading 7403 · Chapter 74

HTS 7403: Refined copper and copper alloys, unwrought

HTS heading 7403 covers refined copper and copper alloys, unwrought (other than master alloys of heading 7405). It has 11 tariff lines with a duty rate; the general (MFN) rates are 1% (7 lines), Free (4 lines).

Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.

Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.

HTS code

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Country of origin

Customs value (USD)

Mode of transport

Entry date

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Tariff lines and duty rates

HTS code	Description	General	Special	Column 2	Estimate
	Refined copper:
7403.11.00.00	Cathodes and sections of cathodes[kg]	1%	Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	6%	Estimate →
7403.12.00.00	Wire bars[kg]	1%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	6%	Estimate →
7403.13.00.00	Billets[kg]	1%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	6%	Estimate →
7403.19.00.00	Other[kg]	1%	Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	6%	Estimate →
	Copper alloys:
7403.21.00.00	Copper-zinc base alloys (brass)[kg]	1%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	6%	Estimate →
7403.22.00.00	Copper-tin base alloys (bronze)[kg]	1%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	6%	Estimate →
7403.29.01	Other copper alloys	1%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	6%
7403.29.01.10	Copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)[kg]				Estimate →
7403.29.01.80	Other[kg]				Estimate →
7404.00	Copper waste and scrap:
7404.00.30	Spent anodes; waste and scrap with a copper content of less than 94 percent by weight	Free		6%
7404.00.30.20	Of refined copper[kg]				Estimate →
	Of copper alloys:
	Of copper-zinc base alloys (brass):
7404.00.30.45	Containing more than 0.3 percent of lead[kg]				Estimate →
7404.00.30.55	Other[kg]				Estimate →
7404.00.30.65	Of copper-tin base alloys (bronze)[kg]				Estimate →
7404.00.30.90	Other[kg]				Estimate →
7404.00.60	Other	Free		6%
7404.00.60.20	Of refined copper[kg]				Estimate →
	Of copper alloys:
	Of copper-zinc base alloys (brass):
7404.00.60.45	Containing more than 0.3 percent of lead[kg]				Estimate →
7404.00.60.55	Other[kg]				Estimate →
7404.00.60.65	Of copper-tin base alloys (bronze)[kg]				Estimate →
7404.00.60.90	Other[kg]				Estimate →
7405.00	Master alloys of copper:
7405.00.10.00	Containing by weight 5 percent or more but not more than 15 percent of phosphorus[kg]	Free		12%	Estimate →
7405.00.60	Other	Free		28%
7405.00.60.30	Beryllium copper master alloy[kg]				Estimate →
7405.00.60.50	Other[kg]				Estimate →

25 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.

Example: base duty and fees on $10000

For HTS 7403.11.00.00 at the general rate of 1%, shipped by ocean, before any Chapter 99 tariffs:

Base duty (1%)	$100.00
Merchandise Processing Fee (0.3464%, min $34.58)	$34.64
Harbor Maintenance Fee (0.125%)	$12.50
Duty and fees	$147.14

Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.

Special program codes in this heading

A, A*, A+: Generalized System of Preferences (GSP)
AU: U.S.–Australia FTA
BH: U.S.–Bahrain FTA
CL: U.S.–Chile FTA
CO: U.S.–Colombia Trade Promotion Agreement
D: African Growth and Opportunity Act (AGOA)
E, E*: Caribbean Basin Economic Recovery Act
IL: U.S.–Israel FTA
JO: U.S.–Jordan FTA
KR: U.S.–Korea FTA (KORUS)
MA: U.S.–Morocco FTA
OM: U.S.–Oman FTA
P, P+: CAFTA-DR
PA: U.S.–Panama Trade Promotion Agreement
PE: U.S.–Peru Trade Promotion Agreement
S, S+: USMCA (United States–Mexico–Canada Agreement)
SG: U.S.–Singapore FTA

A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.

Frequently asked questions

What is the duty rate for HTS 7403?

Heading 7403 has 11 rate lines. The general (MFN) duty rates are 1% (7 lines), Free (4 lines). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.

Do Section 301, 232 or 201 tariffs apply to HTS 7403?

It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.

What fees are added to an import under HTS 7403?

Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.