C12500 Low Zinc Refined Copper Profile
T-profile C12500 with 0.4% Zn max for architectural extrusions. Still refined copper since Zn<1% and no predominant alloy element per note (a); HTS 7407.10.5050. Used in decorative building trim.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If zinc ≥1% by weight
Zn predominant over other elements defines copper-zinc base alloys (brasses).
If aluminum-copper composite
Clad aluminum-copper profiles classify under aluminum Chapter 76.
If made into base metal mountings
Finished mountings/fittings become Chapter 83 articles.
Not sure which classification is right?
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Import Tips & Compliance
• Analysis confirming Zn<1% prevents brass misclassification
• Extrusion direction markings help verify profile vs tube classification
• Anodizing disqualifies; uncoated only for this heading
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