C122 Phosphorized Copper Rod
DHP (deoxidized high phosphorus) C122 copper rod for plumbing fittings, containing trace phosphorus for weldability. Still refined copper under HTS 7407.10.50 as P content <0.015% excludes it from alloy headings. Used in HVAC and refrigeration lines.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If phosphorus exceeds 0.015% by weight
Copper with higher P content for deoxidizing classifies as specific copper alloy under 7406 per chapter notes.
If further worked into tubes
Drawn or extruded copper tubes from such rod shift to Chapter 74 tube headings.
If with significant zinc addition making brass
Zn-dominant copper-zinc alloys (brasses per note (a)) go to 7407.22.
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Import Tips & Compliance
• Chemical analysis certificate mandatory to prove P<0.015%, distinguishing from 7406.11 copper-phosphorus alloys
• Straight lengths only; coiled rod may classify under 7408.11 as wire
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