What does HTS Chapter 79 cover?

Chapter 79 covers zinc and articles thereof. It contains 18 HTS lines at the 10-digit classification level. Products in this chapter are assigned codes starting with 7901, 7902, 7903 and 3 additional headings.

How many HTS codes are in Chapter 79?

Chapter 79 (Zinc and Articles Thereof) contains 18 HTS tariff lines, ranging from 4-digit headings to fully-specified 10-digit codes.

What are the general duty rates in Chapter 79?

General (MFN) duty rates for Chapter 79 range from Free to 4.2%. The exact rate depends on the 10-digit HTS code. Products may qualify for reduced or free rates under trade agreements such as USMCA, CAFTA-DR, or other FTAs — these are listed in the Special Rates column.

Do products in Chapter 79 face Section 301 tariffs?

Yes, selected products in Chapter 79 carry Section 301 tariffs on imports from China. Affected headings include 7901, 7902, 7903, 7904, 7905. The surcharge rate varies by product; check each 10-digit code for the specific amount.

Are there reciprocal tariffs in Chapter 79?

Yes, some products in Chapter 79 are subject to reciprocal tariffs following the February 2026 SCOTUS ruling. These are applied on top of the MFN base rate. Use TariffCenter's Duty Calculator to see the full stacked rate for any specific code and country of origin.

How do I calculate the landed cost for a Chapter 79 product?

To calculate landed cost: (1) find the correct 10-digit HTS code below, (2) enter it in TariffCenter's free Import Duty Calculator with the country of origin and declared value, (3) the calculator applies all active layers — MFN base rate, Section 301, reciprocal tariffs, and Merchandise Processing Fee — and returns the total landed cost in seconds.

Chapter 79

Zinc and Articles Thereof

Name: HTS Chapter 79 Tariff Codes — Zinc and Articles Thereof
Creator: TariffCenter

By TariffCenter Research Team · Updated 2026-04-09 · Source: USITC Harmonized Tariff Schedule

At a glance

Chapter 79 contains 18 HTS lines covering zinc and articles thereof. General U.S. duty rates: Free to 4.2%. Section 301 surcharges apply on selected lines for imports from China. Reciprocal tariffs apply following the February 2026 SCOTUS ruling.

← Ch. 78 Ch. 80 →

7901 — Unwrought zinc

Heading 7901 contains 6 HTS lines. General U.S. duty rates: Free–3%. Section 301 surcharges (7.5%–100%) and Section 122 surcharge (15%) apply to selected lines.

7901

Unwrought zinc:

Free

301: 25%S122: 10%

7901.11.00.00

Containing by weight 99.99 percent or more of zinc

1.5%

301: 25%S122: 10%hts_special: Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

7901.12

Containing by weight less than 99.99 percent of zinc:

Free

301: 25%S122: 10%

7901.12.10.00

Casting-grade zinc

301: 25%S122: 10%hts_special: Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P,PA, PE,S,SG)

7901.12.50.00

Other

1.5%

301: 25%S122: 10%hts_special: Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

7901.20.00.00

Zinc alloys

301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

HS Code	Description	General Rate	Special Rates
7901	Unwrought zinc:	Free	301: 25%S122: 10%
7901.11.00.00	Containing by weight 99.99 percent or more of zinc	1.5%	301: 25%S122: 10%hts_special: Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
7901.12	Containing by weight less than 99.99 percent of zinc:	Free	301: 25%S122: 10%
7901.12.10.00	Casting-grade zinc	3%	301: 25%S122: 10%hts_special: Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P,PA, PE,S,SG)
7901.12.50.00	Other	1.5%	301: 25%S122: 10%hts_special: Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
7901.20.00.00	Zinc alloys	3%	301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

7902 — Zinc waste and scrap

Heading 7902 contains 1 HTS line. General U.S. duty rates: Free. Section 301 surcharges (7.5%–100%) and Section 122 surcharge (15%) apply to selected lines.

7902.00.00.00

Zinc waste and scrap

Free

301: 25%S122: 10%

HS Code	Description	General Rate	Special Rates
7902.00.00.00	Zinc waste and scrap	Free	301: 25%S122: 10%

7903 — Zinc dust, powders and flakes

Heading 7903 contains 5 HTS lines. General U.S. duty rates: Free–3%. Section 301 surcharges (7.5%–100%) and Section 122 surcharge (15%) apply to selected lines.

7903

Zinc dust, powders and flakes:

Free

301: 25%S122: 10%

7903.10.00.00

Zinc dust

0.7¢/kg

301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

7903.90

Other:

Free

301: 25%S122: 10%

7903.90.30.00

Powders

0.5¢/kg

301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

7903.90.60.00

Other

301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

HS Code	Description	General Rate	Special Rates
7903	Zinc dust, powders and flakes:	Free	301: 25%S122: 10%
7903.10.00.00	Zinc dust	0.7¢/kg	301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
7903.90	Other:	Free	301: 25%S122: 10%
7903.90.30.00	Powders	0.5¢/kg	301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
7903.90.60.00	Other	3%	301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

7904 — Zinc bars, rods, profiles and wire

Heading 7904 contains 1 HTS line. General U.S. duty rates: 4.2%. Section 301 surcharges (7.5%–100%) and Section 122 surcharge (15%) apply to selected lines.

7904.00.00.00

Zinc bars, rods, profiles and wire

4.2%

301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

HS Code	Description	General Rate	Special Rates
7904.00.00.00	Zinc bars, rods, profiles and wire	4.2%	301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

7905 — Zinc plates, sheets, strip and foil

Heading 7905 contains 1 HTS line. General U.S. duty rates: 2.8%. Section 301 surcharges (7.5%–100%) and Section 122 surcharge (15%) apply to selected lines.

7905.00.00.00

Zinc plates, sheets, strip and foil

2.8%

301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

HS Code	Description	General Rate	Special Rates
7905.00.00.00	Zinc plates, sheets, strip and foil	2.8%	301: 25%S122: 10%hts_special: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

7907 — Other articles of zinc

Heading 7907 contains 4 HTS lines. General U.S. duty rates: Free–3%. Section 301 surcharges (7.5%–100%) and Section 122 surcharge (15%) apply to selected lines.

7907.00

HS Code	Description	General Rate	Special Rates
7907.00	Other articles of zinc:	Free	301: 25%S122: 10%
7907.00.10.00	Articles of a type used for household, table or kitchen use; toilet and sanitary wares; all the foregoing and parts thereof of zinc	3%	301: 25%S122: 10%hts_special: Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
7907.00.20.00	Zinc tubes, pipes and tube or pipe fittings (for example, couplings, elbows, sleeves)	3%	301: 25%S122: 10%hts_special: Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
7907.00.60.00	Other	3%	301: 25%S122: 10%hts_special: Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

Frequently Asked Questions — Chapter 79

Sources & Methodology

Base HTS rates: U.S. International Trade Commission — Harmonized Tariff Schedule (2025 edition, Chapter 79). “General rate” shows the min–max range across all 10-digit subheadings.
Section 301 rates: Office of the U.S. Trade Representative — Section 301 action lists. Flags indicate HTS lines listed on USTR China 301 Lists 1–4B.
Reciprocal tariffs: Based on the post-SCOTUS Section 122 framework (February 2026). See the TariffCenter Tariff Tracker for current program status.
Verify before importing: U.S. Customs and Border Protection — Rulings Online or consult a licensed customs broker for binding classification rulings.

Glossary

General rate (MFN rate): The base import duty applied to all World Trade Organization members under Most-Favored-Nation treatment. This is the standard rate shown in the General Rate column.
Section 301 tariff (301: 7.5%–100%): An additional surcharge authorized under Section 301 of the Trade Act of 1974, imposed on selected imports from China. Rates vary by product list and category: Lists 1–3 at 25%, List 4A at 7.5%, with four-year review increases up to 100% on strategic sectors (EVs, semiconductors, solar, medical equipment). Applied on top of the MFN base rate.
Section 122 surcharge (Sec. 122: 15%): A 15% global surcharge on all imports enacted under Section 122 authority after the February 2026 SCOTUS ruling struck down IEEPA-based reciprocal tariffs. USMCA-qualifying goods are exempt. Stacked on top of base and Section 301 rates.
Section 232 tariff (S232): Tariffs on qualifying steel, aluminum, copper, and derivative products imposed under Section 232 of the Trade Expansion Act of 1962 on national security grounds. Rates now vary by product bucket and current Chapter 99 treatment.
hts_special / Special rates: Preferential duty rates available to imports from countries with Free Trade Agreements or other special trade programs with the U.S. Country codes: AU (Australia), BH (Bahrain), CA (Canada), CL (Chile), CO (Colombia), IL (Israel), JO (Jordan), KR (South Korea), MA (Morocco), MX (Mexico), OM (Oman), PA (Panama), PE (Peru), SG (Singapore). Free (AU,BH...) means duty-free treatment for those partners.