Tandom · Duty calculator
HTS 7325.10.00.30 is the U.S. Harmonized Tariff Schedule classification for Valve and service boxes. 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. 1 Chapter 99 tariff modification currently stacks on top of the base rate, and 1 active AD/CVD order flags this code.
New to HTS codes? Read our guide on how HTS classification works →
Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.82.02 | section_232 | 50% |
Active orders that may apply to imports under this HTS code. HTS coverage is advisory — actual scope depends on each order's product description. 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.
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 7325.10.00.30 is the U.S. Harmonized Tariff Schedule classification for Valve and service boxes. It belongs to Chapter 73 of the HTSUS.
The general (Column 1) duty rate for HTS 7325.10.00.30 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 7325.10.00.30 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 7325.10.00.30 is covered by section_232 provision 9903.82.02 (50%). Open the code page for the full overlay stack with effective dates and country scopes.
Yes — 1 AD/CVD order flag this code: C-351-504 (CVD, Brazil). Open the code page for deposit rates, scope determinations, and the linked case lookups.
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.
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