Refined Copper Spent Anodes
Spent anodes recovered from electrolytic copper refining processes, containing less than 94% copper by weight after use. These are classified under HTS 7404.00.30.20 as copper waste and scrap of refined copper origin. The material consists primarily of corroded copper with impurities accumulated during electrolysis.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +25.0% | 25% |
| 🇲🇽Mexico | Free | — | Free |
| 🇨🇦Canada | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If copper content 94% or higher
Higher purity copper scrap from refined sources moves to 7404.00.60 subheading per statistical breakout.
If from unrefined electrolytic copper production
Scrap from unrefined copper processes falls under the other refined copper scrap category, distinguished by production origin.
If primarily copper oxide slag rather than metallic scrap
Slag and ash containing copper from refining moves to Chapter 26 as mineral residues, not metallic waste.
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Import Tips & Compliance
• Obtain a certificate of analysis confirming copper content below 94% and refined origin to avoid reclassification as higher-purity scrap
• Comply with EPA recycling regulations and provide scrap declaration forms; common pitfall is insufficient radiation screening for contaminated anodes
• Use ISRI scrap specifications for grading to facilitate customs valuation and avoid disputes over assay accuracy
Related Products under HTS 7404.00.30.20
Copper Refinery Cathode Edge Trim Scrap
Trimmed edge scrap from refined copper cathodes during finishing, with copper content below 94% due to surface impurities. HTS 7404.00.30.20 applies to this refined copper waste stream. Generated post-electrowinning before final cathode packaging.
Refined Copper Electrolyte Tank Lining Scrap
Scrap metal from replaced linings of copper electrolyte tanks, with <94% copper from solution pickup. HTS 7404.00.30.20 covers this refinery-specific waste. Contains adherent electrolyte residues.
Refinery Copper Filter Cake Scrap
Filter cake from copper electrolyte purification containing metallic copper <94%, classified as refined copper scrap under HTS 7404.00.30.20. Byproduct of refinery filtration systems removing impurities.
Electrolytic Copper Refinery Turnings Scrap
Fine copper turnings and shavings generated during machining of refined copper anodes, with copper assay under 94%. Classified as waste and scrap under HTS 7404.00.30.20 due to refined copper source and low purity from wear. Primarily used in secondary copper smelting.
Refined Copper Anode Slime Residue Scrap
Residue scrap from anode slime treatment in copper refineries, assaying less than 94% copper with precious metal contaminants. Falls under HTS 7404.00.30.20 as spent anode-derived waste of refined copper. Collected during electrolytic purification processes.
Spent Refined Copper Busbar Scrap
Used busbar sections from copper refineries, degraded to <94% copper assay from oxidation and contamination. Classified under HTS 7404.00.30.20 as scrap of refined copper. Common in electrical systems within refining plants.