Tin Bronze C90300 Continuous Cast Bar from Canada
C90300 (SAE 620) tin bronze continuous cast unwrought bars with 7.5-9% tin, 3% zinc, 88% copper. Gunmetal alloy for valves and fittings meeting strict bronze criteria. Produced by continuous casting without reduction.
Duty Rate — Canada → United States
1%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Continuous cast products remain unwrought if no size reduction occurs post-casting
• Include heat analysis reports showing batch composition consistency