Columbite Ore Concentrate
Columbite ore concentrate is a naturally occurring mineral primarily containing niobium (columbium) and tantalum, processed to increase niobium content for extraction. It falls under HTS 2615.90.60.30 as a niobium ore and concentrate used in metallurgical industries for producing niobium metal and alloys. The assay quantity of metal content is reported without deductions per statistical notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing tantalum as primary component
Ores and concentrates with tantalum dominant over niobium fall under the tantalum subheading.
If coarse iron ore with niobium impurities
Coarse iron ores (particles >4.75mm) are classified under iron ore headings regardless of minor niobium content.
If chemically processed into niobium compounds
Processed niobium chemical compounds shift from Chapter 26 ores to Chapter 81 metal compounds.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Obtain accurate assay certificates verifying niobium content to comply with statistical reporting requirements without deductions
• Ensure proper documentation of origin from mining sites, as niobium ores often face restrictions on conflict minerals
• Avoid misclassification by confirming the product is ore concentrate, not refined metal (Chapter 81)
Related Products under HTS 2615.90.60.30
Niobite Bearing Ore Concentrate
Niobite-bearing ore concentrate consists of mineral deposits rich in niobium oxides, concentrated through gravity or magnetic separation. Classified under HTS 2615.90.60.30 for niobium (columbium) ores used directly in extraction processes. It adheres to chapter notes distinguishing unrefined ores from chemical residues.
Pyrochlore Niobium Ore Concentrate
Pyrochlore niobium ore concentrate is derived from carbonatite deposits, featuring complex niobium-tantalum-REE minerals upgraded via flotation. It is specifically under HTS 2615.90.60.30 as a niobium concentrate for ferro-niobium production in steel alloys. Statistical notes require reporting pure assay metal content.
Lueshite Columbium Ore Fines
Lueshite columbium ore fines are perovskite-structured niobium minerals ground to fine particles for hydrometallurgical processing. Classified in HTS 2615.90.60.30 as niobium concentrates, distinct from coarse iron ores per statistical definitions. Used in electronics-grade niobium oxide production.
Aeschynite Niobium Concentrate
Aeschynite niobium concentrate is a rare earth niobate mineral concentrate from granitic pegmatites, used in specialty alloy production. Falls under HTS 2615.90.60.30 for niobium ores and concentrates per the full hierarchy excluding other specified minerals. Excludes residues per chapter note restrictions.