Seamless Brass Refrigerator Tubing
Seamless tubing made from copper-zinc base alloy (brass) used in refrigeration systems for refrigerant flow. It falls under HTS 7411.21.10.00 as seamless copper alloy pipe of brass composition, meeting the definition where zinc predominates over other elements except copper.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If welded or brazed construction
Welded brass tubes fall under the 'other' subheading within copper-zinc alloys, distinct from seamless.
If copper-nickel-zinc (nickel silver) alloy with Ni >=5%
Alloys with 5%+ nickel content are classified separately as nickel silvers per subheading note (c).
If for industrial pressure use, possibly reclassified as steel equivalent
End-use in high-pressure systems may lead to classification under iron/steel tubes if function dominates over material.
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Import Tips & Compliance
• Provide mill test certificates confirming copper-zinc base alloy composition with zinc > other elements and Ni <5%, Sn <3% to avoid reclassification
• Ensure seamless construction documentation; welded tubing shifts to 7411.21.50.00
• Label with exact alloy specs and pressure ratings for customs valuation and safety compliance
Related Products under HTS 7411.21.10.00
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