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8112.92.40.00/Cast Niobium Billets Superconductor Grade/Japan

Cast Niobium Billets Superconductor Grade from Japan

Cylindrical cast billets of superconductor-grade niobium, unwrought for extrusion into wires. HTS 8112.92.4000 covers this pure columbium form, RRR >300 for radiofrequency cavities. Diameter 150-250mm typical.

Duty Rate — Japan → United States

4.9%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))
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Import Tips

• Include Residual Resistivity Ratio (RRR) test results in documentation

• Specify accelerator/nuclear end-use for licensing consideration

• Avoid misclassification as 8112.93 if partially extruded

Cast Niobium Billets Superconductor Grade from Japan — Import Duty Rate | HTS 8112.92.40.00