C51000 Phosphor Bronze Sheet
C51000 phosphor bronze sheet (94.8% Cu, 5% Sn, 0.2% P) 0.35 mm thick, 350 mm wide for bellows, diaphragms, and springs. Under HTS 7409.90.90.60 as other copper alloy sheet; tin predominant (5%> other elements except Cu base), qualifying as bronze per note (b).
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Import Tips & Compliance
• Verify Sn > other elements (except Cu) via assay to distinguish from brasses
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