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Tandom · Duty calculator
HTS 7325.99.10.00 is the U.S. Harmonized Tariff Schedule classification for Other cast articles of iron or steel, of cast iron. 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. 11 Chapter 99 flags link to this code (3 active, 8 expired), and 3 potentially relevant AD/CVD order flags link to this code. A Chapter 99 flag is not a shipment-level determination; origin, product facts, claims, and entry date control whether a provision applies.
New to HTS codes? Read our guide on how HTS classification works →
Chapter 99 flags linked to this code; applicability depends on origin, product facts, claims, and entry date
| Code | Authority | Rate |
|---|---|---|
| 9903.80.03 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.81.84 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.81.86 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.81.90 | section_232Expired | The duty provided in the applicable subheading + 50%. |
| 9903.81.92 | section_232Expired | The duty provided in the applicable subheading. |
| 9903.81.93 | section_232Expired | The duty provided in the applicable subheading + 50%. |
| 9903.81.97 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.81.99 | section_232Expired | The duty provided in the applicable subheading + 25% |
| 9903.82.02 | section_232Active | 50% |
| 9903.82.04 | section_232Active | 25% |
| 9903.82.15 | section_232Active | 10% |
HTS-linked orders that may be relevant to imports under this code. An HTS link is a screening aid; actual coverage depends on each order's written product scope. Run the AD/CVD lookup → to check whether your specific shipment is in scope.
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 a Cable Protection System from the United Kingdom
The tariff classification of cast iron beam clamps from India, China and Vietnam
The tariff classification of saddle castings from China
The tariff classification of a counterweight from China.
The tariff classification of a cast iron wedge insert from China.
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 7325.99.10.00 is the U.S. Harmonized Tariff Schedule classification for Other cast articles of iron or steel, of cast iron. It belongs to Chapter 73 of the HTSUS.
The general (Column 1) duty rate for HTS 7325.99.10.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
The Column 2 rate for HTS 7325.99.10.00 is 20%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Belarus, Cuba, North Korea, and Russia).
Tandom links section_232 provision 9903.80.03 to HTS 7325.99.10.00. Its published rate notation is The duty provided in the applicable subheading + 25%, and its status on 2026-09-26 is expired. 10 additional Chapter 99 flags also link to this code. A flag is not a shipment-level determination; check origin, product facts, claims, and entry date.
Tandom links 3 potentially relevant AD/CVD order flags to this code: C-570-197 (CVD, China), A-570-196 (AD, China), C-351-504 (CVD, Brazil). An HTS link is a screening aid; review each order's written scope and linked case materials to determine whether a product is covered.
Section and chapter notes that govern this code
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.
In this chapter, the expression 'cast iron' applies to products obtained by casting in which iron predominates by weight over each of the other elements and which do not comply with the chemical composition of steel as defined in note 1(d) to chapter 72.
Tandom guides relevant to this code
Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
Open resource
Drop the Tandom Duty Calculator API into a TMS, broker software, or in-house ERP. Code samples, the response shape, and ACE reporting order, in 2026.
Open resource
What changed April 6, 2026, what stayed the same, and how to file a steel, aluminum, or copper line in ACE without leaving duty exposure on the table.
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How to subscribe to CBP Cargo Systems Messaging Service and triage the messages that change broker filing behavior, without losing the ones that matter.
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How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
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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.
Open resource