💾 Data Updated: Latest version • Last updated: December 09, 2025

2615.90.30.00 - Synthetic tantalum-niobium (columbium) concentrates 🖩

Details

FieldValue
Unit of Quantitykg
General Rate of Duty (Column 1 - General)Free
Special Rate of Duty (Column 1 - Special)N/A
Column 2 Rate of Duty30%
Quota QuantityN/A
Additional DutiesN/A
About Duty Rates: Rates are divided into Column 1 and Column 2. Column 1 is subdivided into General (normal trade relations rates for all countries not eligible for special programs) and Special (preferential rates for countries with free trade agreements or preference programs). Column 2 rates apply to products from Cuba, North Korea, Belarus, and Russia. When no special rate exists for a classification, General rates apply.

Overview

This HTS category, 2615.90.30.00, specifically covers synthetic concentrates of tantalum and niobium (also known as columbium). These materials are not naturally occurring ores but rather manufactured or processed products that have been refined to a concentrate form, containing significant percentages of tantalum and niobium. Their classification here indicates a deliberate synthetic production method, differentiating them from raw, naturally occurring ores.

The primary sibling category at this level is 2615.90.60, which broadly covers "Other" tantalum, niobium, vanadium, or zirconium ores and concentrates. The key distinction lies in the explicit designation of "synthetic" for 2615.90.30.00. Therefore, while both categories deal with tantalum and niobium concentrates, this specific subheading is for those manufactured synthetically, implying a controlled process to achieve the desired composition and form, rather than unprocessed natural geological deposits.

As this is a leaf node within the HTS, there are no further subcategories to describe. Classification under 2615.90.30.00 is final for synthetic tantalum-niobium (columbium) concentrates. Practical classification will rely on verifying the synthetic origin of the material and its composition meeting the criteria for a concentrate of tantalum and niobium, as opposed to a refined metal or a less concentrated ore.

Frequently Asked Questions

›What is HTS code 2615.90.30.00?
HTS code 2615.90.30.00 covers Synthetic tantalum-niobium (columbium) concentrates under the US Harmonized Tariff Schedule. It falls under Chapter 26: Ores, slag and ash.
›What products are classified under 2615.90.30.00?
This classification covers Synthetic tantalum-niobium (columbium) concentrates. It is a subcategory of Other: (2615.90).
›What is the import duty rate for 2615.90.30.00?
The general rate of duty for HTS 2615.90.30.00 is Free. The Column 2 rate is 30%.
›What unit of quantity is used for 2615.90.30.00?
Imports under HTS 2615.90.30.00 are measured in kg.

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