Phosphor Copper 12P Master Alloy Waffle Blocks
Waffle-shaped blocks of Cu-P master alloy containing 12% phosphorus, designed for easy melting and uniform distribution in large copper foundry ladles. HTS 7405.00.10.00 classification based on phosphorus over 5% and master alloy function. Preferred form for high-volume brass and bronze casting operations.
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Import Tips & Compliance
• Use NDT certificates for block integrity; declare weight accurately as blocks vary; avoid mixing with bronze master alloys during import to prevent cross-contamination claims
Related Products under HTS 7405.00.10.00
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Master alloy ingots composed primarily of copper with 10% phosphorus content by weight, used in non-ferrous metallurgy for deoxidizing and grain refining. Classified under HTS 7405.00.10.00 due to phosphorus content between 5-15% and its role as a copper master alloy per Chapter 74 notes. Supplied in standard 25kg ingots for foundry addition.
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Brass Foundry Phosphor Copper 7% P Cylinders
Cylindrical castings of 7% phosphorus copper master alloy optimized for brass foundry applications. Classified HTS 7405.00.10.00 for 5-15% P content in copper master alloys per Chapter 74 definitions. Provides excellent fluidity and deoxidation in high-zinc brass melts.
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