C52100 Phosphor Bronze Coil Strip
C52100 phosphor bronze strip coil (Cu 92%, Sn 8%, P 0.05%) in widths 100-450mm, thickness 0.3mm, used for precision diaphragms. Fits HTS 7409.31.90.00 as thin bronze strip in coils per copper-tin base alloy definition (note b).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If thickness exceeds 5 mm
Thicker bronze plates (>5mm) classify in separate thickness subheading even if same width/coil form.
If further worked into shapes/profiles
Profiles, tubes, or worked forms beyond simple strip move to Chapter 74 Section X.
If not in coils but straight lengths
Non-coil bronze strips fall under straight strip subheadings.
Not sure which classification is right?
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Import Tips & Compliance
• Label coils clearly with alloy grade C52100 and dimensions to facilitate customs verification
• Avoid mixed alloy shipments; segregate brass/bronze to prevent duty disputes
• Document end-use if electrical to preempt anti-dumping scrutiny on Asian phosphor bronze
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