2805.12.00.00
Calcium
Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: Alkali or alkaline-earth metals
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Duty rates
Column 1 (General / MFN)
3%
Column 2 (Non-NTR)
25%
Column 1 (Special / FTA)
Free
Eligible
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
9903.90.08
35%
ActiveArticles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter
Applies to origin: RU, BY
Effective from April 5, 2025
Rate-change history
What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.
-
NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)
Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026
See the change → -
Base rate HTS 2023
Column 1 general rate set to 3%.
Related CBP rulings
The tariff classification of “Dysprosium, Neodymium, and Terbium” from China
” In your submission, you indicate that “Dysprosium, Neodymium, and Terbium” are individual chemical elements, which are each equal to or greater than 99% pure. The three products at issue are chemically known as rare-earth metals.
The tariff classification of lithium (CAS no. 7439-93-2) from China
Your submission describes the product at issue as 99.87% pure, alloy grade, lithium metal. You have provided CAS no. 7439-93-2 and indicate that this product is intended to be used for alloying aerospace aluminum. The lithium will be import
The tariff classification of lithium metal from China
You describe the product as lithium metal to be used as an alloying ingredient in the production of alloys. The lithium metal will be imported as cylinder shaped ingots, 100mm in diameter x 140mm in height, weighing 0.6 kg per ingot.
The tariff classification of Hi-Cal® pure calcium wire from China
You state in your letter that calcium metal originating from China will be sent to Mexico where it will be encapsulated in a steel sheath, packaged and then sent to the USA. The calcium cored wire will contain 98 percent calcium. The steel
The tariff classification of Papcal calcium cored wire from France.
Your letter states that the calcium powder in the cored wire contains 97 percent calcium with residual trace elements. The Papcal calcium cored wire is used by steel makers by injecting the wire at a defined footage when the steel is in mol
The tariff classification of Mish Metal/Cerium Rich Metal from China.
The tariff classification of Mish Metal/Cerium Rich Metal from China.
The tariff classification of Lanthanum Metal, Cerium Oxide, Iminodiacetic acid, Beta-Naphthol, and Dehydro-Isoandrosterone from China
The tariff classification of Lanthanum Metal, Cerium Oxide, Iminodiacetic acid, Beta-Naphthol, and Dehydro-Isoandrosterone from China
The tariff classification of Mish Metal, Lanthanum Metal and Cerium Oxide from China
The tariff classification of Mish Metal, Lanthanum Metal and Cerium Oxide from China
The tariff classification of Samarium Oxide, Neodymium Metal, Neodymium Oxide, and (92.46%) Yttrium Oxide and (6.54%) Europium Oxide coprecipitate material from China
The applicable subheading for the Samarium Oxide will be 2846.90.8000, Harmonized Tariff Schedule of the United States (HTS), which provides for compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixture
The tariff classification of Rare Earth Metals from China.
The tariff classification of Rare Earth Metals from China.
The tariff classification of a rare-earth metal mixture from China.
According to the information obtained from your office on 11/22/93, it was ascertained that the product is composed of approximately 45% cerium, 5% praseodymium, 15% neodymium and 23% lanthanum. The balance is impurities. These amounts can
The tariff classification of Cesium 133 (non-radioactivemetal) from Russia
The tariff classification of Cesium 133 (non-radioactivemetal) from Russia
Other codes in heading 2805
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2805.12.00.00 from each major US trading partner.
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