C90500 Gun Metal Pipe from United States
Pipe made from C90500 gun metal, an alloy of approximately 88% copper, 10% tin, and 2% zinc, where tin content exceeds zinc and qualifies as a copper-tin base alloy (bronze) under subheading note (b). It is classified under tariff item 7411.29.00 as an 'other' copper alloy pipe, commonly used in bearings and valve components.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the alloy's tin content is at least 3% and predominates over zinc to qualify as bronze
• Keep records of the alloy's chemical analysis to support classification under the 'other' copper alloy subheading