Muntz Metal Ingot
Alpha-beta duplex copper-zinc alloy ingot (60Cu-40Zn) used for hot working into sheets and plates, falls under other copper alloys 7403.29.0180 as refined unwrought brass.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If rolled into powder form
Powder metallurgy copper alloys classify under specific powder headings.
If supplied as hollow profiles
Hollow bars/profiles exceed unwrought definition entering bars/rods chapter.
If high purity master alloy
Master alloys for further alloying exclude from refined copper alloys.
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Import Tips & Compliance
• Certify exact zinc-copper ratio via spectrometry to confirm brass alloy status
• Use proper packaging to prevent oxidation affecting purity classification
• Declare intended end-use as industrial fabrication, not consumer products
Related Products under HTS 7403.29.01.80
Leaded Brass Ingot 60/40
A copper-zinc alloy ingot containing 60% copper and 40% zinc with added lead for improved machinability, classified under HTS 7403.29.0180 as unwrought refined copper alloy other than specified brasses.
Admiralty Brass Billet
Unwrought copper-zinc alloy billet with 1% tin addition for corrosion resistance in marine applications, classified as other copper alloy under 7403.29.0180 since tin under 3% threshold.
Naval Brass Slab
Unwrought copper-zinc alloy slab with 1% tin and lead for propeller shafting, classified 7403.29.0180 as other copper alloy maintaining brass base composition.
Cartridge Brass Anode
Unwrought 70/30 copper-zinc alloy castings used as anodes in electroplating baths, falls under HTS 7403.29.0180 as refined other copper alloys.
Yellow Brass Billet C36000
Free-machining copper-zinc-lead alloy billet (C36000) for screw machine products, classified under 7403.29.0180 as unwrought other copper alloys.
Architectural Bronze Ingot
Low-tin copper-zinc alloy ingot (<3% Sn) for architectural castings, classified 7403.29.0180 as brass rather than true bronze per subheading definitions.