Unwrought Hafnium Metal Ingot
A pure hafnium ingot in unwrought form, typically produced by vacuum arc melting for use in nuclear reactor control rods and aerospace components. It falls under HTS 8112.31.00.00 as unwrought hafnium, which includes bars, rods, profiles, and unwrought forms excluding powders.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +35.0% | 35% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +10.0% | 10% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in the form of tubes or pipes with attached fittings for conducting gases or liquids
Hafnium tubes with fittings qualify for duty-free (C) treatment under subheading 8108.90.60 per chapter notes, shifting from unwrought category.
If processed into articles like sheets, foil, or finished components
Finished hafnium products beyond unwrought forms or powders are classified under 8112.99.00 as 'other articles'.
If chemically compounded as hafnium compounds rather than elemental metal
Inorganic hafnium compounds (e.g., hafnium oxide) fall under Chapter 28 for rare-earth and inorganic chemicals.
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Import Tips & Compliance
• Obtain end-use certificates for nuclear or defense applications to comply with export control regulations like ITAR or EAR
• Verify purity levels (>99% hafnium) via certified assays to avoid reclassification as alloys under Chapter 81
• Ensure proper hazardous material declarations if contaminated with radioactive byproducts from processing
Related Products under HTS 8112.31.00.00
Hafnium Metal Powder
Fine hafnium powder used in powder metallurgy for manufacturing high-strength alloys and thermal spray coatings in aerospace turbines. Classified under HTS 8112.31.00.00 explicitly covering powders of hafnium.
Hafnium Scrap from Reactor Manufacturing
Waste and scrap hafnium clippings and turnings generated during machining of nuclear control rod components. Falls under HTS 8112.31.00.00 as hafnium waste and scrap.
Hafnium Turning Waste
Machining turnings and swarf from hafnium rod production for superalloys. Included in HTS 8112.31.00.00 as unwrought waste and scrap of hafnium.
Pure Hafnium Sponge
Porous hafnium sponge produced by reduction of hafnium tetrachloride, an intermediate unwrought form before further processing. Classified under HTS 8112.31.00.00 as unwrought hafnium.
Hafnium Powder for Additive Manufacturing
Spherical hafnium powder optimized for laser powder bed fusion in 3D printing aerospace parts. Falls under HTS 8112.31.00.00 as hafnium powders.
Recycled Hafnium Clippings
Clean hafnium clippings from precision machining operations, suitable for remelting. Classified as hafnium waste and scrap under HTS 8112.31.00.00.