Muntz Metal Sheet Scrap
Trim scrap from Muntz metal (60% Cu, 40% Zn) marine sheathing sheets. Copper-zinc base alloy scrap <94% Cu per note (a). Condenser tube sheet remnants.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If wound into strip coils >0.15mm thick
Semi-finished flat products classified by form in 7409.
If refined to >99.3% copper cathode quality
Electrolytic copper shifts to unwrought refined copper.
If asbestos-containing marine lagging attached
Hazardous composite materials reclassified.
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Import Tips & Compliance
• Flatten sheets for container efficiency; weight limits critical
• Cathodic protection residues may affect purity readings
• ISRI 'Harmony' grade specification common for marine brass
Related Products under HTS 7404.00.30
Brass Plumbing Scrap
Waste brass fittings, valves, and pipes from plumbing fixtures with copper content typically 60-70% by weight, mixed with zinc predominant. Classified under HTS 7404.00.30 as copper-zinc base alloy scrap below 94% copper threshold per subheading note (a). Excludes high-purity copper scrap.
Automotive Radiator Scrap
Shredded copper-brass radiator cores from vehicles containing 65-75% copper, zinc dominant per subheading note (a). Classified as low-copper content scrap under 7404.00.30. Common recycling stream from end-of-life autos.
Yellow Brass Turnings
Machining turnings from yellow brass (Cu 65%, Zn 35%) with copper below 94% threshold. Subheading note (a) defines as copper-zinc base alloy scrap. Generated from lathe operations on brass components.
Bronze Bearing Scrap
Scrap from phosphor bronze bushings/bearings (Cu 88%, Sn 10%, P trace) with copper <94%. Meets subheading note (b) copper-tin base alloy definition. From industrial machinery rebuilds.
Brass Shell Casings Scrap
De-milled military/police brass cartridge cases (70% Cu, 30% Zn) with copper <94%. Classic brass scrap per subheading note (a). Requires demilitarization certification.
Naval Brass Propeller Scrap
Corroded naval brass (63% Cu, 36% Zn, 1% Sn) propeller fragments from marine salvage, copper <94%. Copper-zinc alloy per note (a). Saltwater exposed scrap.