Tandom · Duty calculator
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HTS 7315.89.10.00 is the U.S. Harmonized Tariff Schedule classification for Chain and parts thereof, of iron or steel, not over 8 mm in diameter. It's a 10-digit statistical line in Chapter 73: Articles of iron or steel, Section XV: Base Metals and Articles of Base Metal, used by U.S. Customs and Border Protection to determine the duty rate at entry. 9 Chapter 99 tariff modifications currently stack on top of the base rate.
New to HTS codes? Read our guide on how HTS classification works →
Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.80.03 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.84 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.86 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.90 | section_232 | The duty provided in the applicable subheading + 50%. |
| 9903.81.92 | section_232 | The duty provided in the applicable subheading. |
| 9903.81.93 | section_232 | The duty provided in the applicable subheading + 50%. |
| 9903.81.97 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.99 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.82.02 | section_232 | 50% |
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
The tariff classification of jewelry chains from China
The tariff classification of a chain, lock and bag from Canada and China.
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 7315.89.10.00 is the U.S. Harmonized Tariff Schedule classification for Chain and parts thereof, of iron or steel, not over 8 mm in diameter. It belongs to Chapter 73 of the HTSUS.
The general (Column 1) duty rate for HTS 7315.89.10.00 is 1.5%. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
Yes. Imports of HTS 7315.89.10.00 from countries party to a trade program (such as USMCA, KORUS, GSP, or the African Growth and Opportunity Act) may qualify for the special rate: Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG). Eligibility depends on rules of origin and certification.
The Column 2 rate for HTS 7315.89.10.00 is 10%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
Yes — HTS 7315.89.10.00 is covered by section_232 provision 9903.80.03 (The duty provided in the applicable subheading + 25%). 8 additional overlays also touch this code. Open the code page for the full overlay stack with effective dates and country scopes.
No active AD/CVD orders currently flag HTS 7315.89.10.00 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Free Trade Agreement and special-program eligibility
Section and chapter notes that govern this code
Throughout this schedule, the expression 'parts of general use' means: (a) Articles of heading 7307, 7312, 7315, 7317, or 7318, and similar articles of other base metal; (b) Springs and leaves for springs, of base metal, other than clock or watch springs (heading 9114); and (c) Articles of headings 8301, 8302, 8308, 8310.
Throughout this schedule, the expression 'base metals' means: iron and steel, copper, nickel, aluminum, lead, zinc, tin, tungsten (wolfram), molybdenum, tantalum, magnesium, cobalt, bismuth, cadmium, titanium, zirconium, antimony, manganese, beryllium, chromium, germanium, vanadium, gallium, hafnium, indium, niobium (columbium), rhenium, and thallium.
Tandom guides relevant to this code
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A working guide to the inputs, the layers, and the math behind a US entry summary in 2026. Written for brokers, forwarders, and importer compliance teams.
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