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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If tin increased to 3-10%
Bronze classification triggers when tin meets predominance criteria.
If semi-finished steel form
Steel content dominance shifts entire chapter classification.
If forging stock shape
Specific forging billet dimensions become semi-manufactured.
Not sure which classification is right?
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Import Tips & Compliance
• Tin analysis certificate critical to distinguish from 7403.22 bronzes
• Declare casting shrinkage allowance in technical specifications
• ASTM B135 compliance verification for plumbing applications
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.
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.
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.