HS Code 2615.90

Niobium, tantalum, vanadium ores and concentrates

2615.90.60

General Duty: Free

Niobium, tantalum or vanadium ores and concentrates, nesoi

2615.90.60.30

KGS

Niobium (columbium) ores and concentrates

2615.90.60.60

KGS

Tantalum ores and concentrates

2615.90.60.90

kg, V<sub>2</sub>O<sub>5</sub> kg

Vanadium ores and concentrates

2615.90.30.00

KGS

General Duty: Free

Synthetic tantalum-niobium concentrates