C69430 Silicon Brass Sheet
C69430 silicon brass sheet (silicon-modified brass), 0.28mm thick, 580mm wide, for valve spindles. Remains brass classification (zinc predominant), 'other' copper alloy HTS 7409.90.50.60.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If silicon >4% making silicon bronze
High silicon copper alloys may shift classification
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Import Tips & Compliance
• Silicon improves castability but zinc remains predominant per note (a); valve stem end-use common; check silicon content tolerance specs
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