Grade C52400 Phosphor Bronze Narrow Strip
UNS C52400 phosphor bronze strip, 0.4 mm x 250 mm wide, for electrical switch contacts and thermostats. Under HTS 7409.39.90.30 as copper-tin alloy (10% tin, 0.1% P), specified thickness/width range. High conductivity and springback for reliable switching.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If same specs but oiled surface
Oiled phosphor bronze sheets/strips shift to 7409.39.60.
If insulated electrical conductors
Insulated strips become Chapter 85 insulated wire, not bare metal.
If refined copper cathodes before rolling
Unwrought forms precede wrought plates in 7409.
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Import Tips & Compliance
• Use ASTM B103 spec sheets proving C52400 = phosphor bronze per HTS notes
• Slit edges must be straight; irregular width risks re-measurement
• Declare grain direction if rolled, but doesn't affect HTS
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