C90500 Gun Metal Sheet 2.8mm x 620mm
C90500 gunmetal (88Cu-10Sn-2Zn) wrought sheet, 2.8mm thick x 620mm wide. Borderline bronze but zinc <10% and tin predominant classifies as 'other copper alloy' in 7409.90.50.
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 strict bronze interpretation
Tin predominant with zinc <10% clearly fits note (b) bronze.
If <0.15mm thickness
Thin gauge shifts to refined copper strip if not qualifying alloy.
If heat exchanger parts
Pre-formed tube sheets classify as machinery parts.
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Import Tips & Compliance
• Detailed spectrographic analysis needed for Sn/Zn dispute resolution
• Declare as wrought, not cast; microstructure evidence required
• Marine applications may need Lloyd's approval certificates
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