Superalloy Grinding Sludge
Wet sludge from grinding nickel-based superalloys (>10% Ni), dried for recovery, industrial use. Fits HTS 2620.99.30.00 as ash/residues for metal extraction.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If from stainless steel grinding
Steel alloy byproducts classified as ferrous residues outside Chapter 26 scope.
If magnetic separated nickel powder
Recoverable metal powder treated as nickel waste/scrap in Chapter 75.
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Import Tips & Compliance
• Dry and assay sludge to confirm residue form and nickel percentage
• Separate from metal filings (Chapter 72) by proving fine particle/ash nature
• Use hazmat shipping if moist; declare as non-hazardous post-drying
Related Products under HTS 2620.99.30.00
Nickel-Rich Smelter Slag
Residue from nickel smelting processes containing over 10% nickel by weight, used in industry for metal recovery. Classified under HTS 2620.99.30.00 as slag not from iron or steel production with high nickel content. Excludes municipal waste ash per chapter notes.
High-Nickel Alloy Foundry Dust
Dust collected from foundries melting nickel alloys (>10% Ni by weight), suitable for nickel reclamation. Not from iron/steel making, thus under HTS 2620.99.30.00 for other metal-containing residues.
Nickel Catalyst Recovery Ash
Spent nickel catalyst ash from hydrogenation processes, over 10% nickel content, used for metal extraction. Classified in HTS 2620.99.30.00 as industrial residues per chapter note (b).
Nickel Mining Flotation Residue
Tailings residue from nickel ore flotation containing over 10% nickel, used as basis for chemical compounds. Not steel-related, thus HTS 2620.99.30.00 for other metal residues.
Nickel Refinery Filter Cake
Precipitated filter cake from nickel electrolyte purification with >10% nickel content. Used in compound manufacture, under HTS 2620.99.30.00 per chapter note (a).
Nickel Electroplating Bath Residue
Ash-like residue from nickel electroplating operations with over 10% nickel compounds by weight. Used for nickel recovery in chemical manufacturing. Fits HTS 2620.99.30.00 as non-steel residues containing metals per heading scope.