Recovered Hafnium Machining Scrap
Clean hafnium turnings and chips from aerospace component machining, suitable for remelting. Under HTS 8112.39.00.00 as 'other' hafnium including processed scrap forms, separate from raw waste.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 4% | +35.0% | 39% |
| 🇲🇽Mexico | 4% | +10.0% | 14% |
| 🇨🇦Canada | 4% | +10.0% | 14% |
| 🇩🇪Germany | 4% | +10.0% | 14% |
| 🇯🇵Japan | 4% | +10.0% | 14% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If raw, unprocessed waste/scrap
Unsorted hafnium waste under 8112.19; cleaned machining scrap treated as 'other' article.
If containing hazardous impurities
Slag/ash with hafnium classified as other metal waste in Chapter 26.
If thallium or other Chapter 81 scrap mixed
Mixed Chapter 81 metal scrap under respective 'other' subheadings.
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Import Tips & Compliance
• Provide recycling chain-of-custody docs showing clean, segregated hafnium content >98%
• Declare weight net of contaminants; assay required if mixed base metals suspected
• EPA waste import notification applies if classified as hazardous scrap
Related Products under HTS 8112.39.00.00
Hafnium Sponge
Porous hafnium metal produced by reducing hafnium tetrachloride with magnesium, used in nuclear reactor control rods and aerospace alloys. Classified under HTS 8112.39.00.00 as 'other' hafnium not specified elsewhere in the hafnium heading, distinct from unwrought forms like powder or bars.
Hafnium Master Alloy Ingot
Compact ingot of hafnium with trace elements for alloying in superalloys, used in jet turbine blades. Falls under HTS 8112.39.00.00 as 'other' articles of hafnium, provided hafnium content is ≥99% and not unwrought powder.
Hafnium Reactor Control Rod Segments
Machined hafnium segments for nuclear reactor control rods that absorb neutrons. Classified in HTS 8112.39.00.00 as 'other' hafnium articles due to specific nuclear fabrication beyond basic wrought forms.
Hafnium Evaporation Pellets
Small hafnium pellets used in vacuum deposition for thin-film coatings in semiconductors and optics. HTS 8112.39.00.00 covers these as 'other' hafnium articles, not basic unwrought powder.
Hafnium Wire for Additive Manufacturing
High-purity hafnium wire spooled for laser powder bed fusion in aerospace prototyping. Classified under HTS 8112.39.00.00 as 'other' wrought hafnium products beyond standard profiles.
Hafnium Foil for Superalloy Cladding
Thin hafnium foil sheets used to clad nickel superalloy turbine blades for oxidation resistance. HTS 8112.39.00.00 for 'other' hafnium sheet/foil beyond basic thicknesses.