Having an outside diameter of 6 mm or more but not exceeding 16 mm, in coils on spools
Part of: 74111010 — Seamless
N346446 · 2025-03-31 — The tariff classification of seamless copper tubes from Vietnam
The products to be imported are described as seamless alloy tubes meeting ASTM B75, 251, 743, the standard specification for Copper Alloy (UNS C14435). According to your submission, the subject tubes will be imported in both straight lengths and in coils with outside diameters ranging from 4.78 mm – 22.23 mm and wall thicknesses ranging from 0.34 mm – 1.20 mm. The tubes consist of 99.5% copper and 0.3% - 0.5% tin and are designed for high pressure and refrigerant heat transfer applications. You suggest that this product may be classifiable in 7411.29.1000, Harmonized Tariff Schedule of the…
087406 · 1991-04-01 — Copper Tubes; Pipes; Hollow Profiles; Rifled; Ridged; Grooved; Threaded; Finned; Gilled; Enhanced; Heat Transfer
Your request dated May 30, 1990, on behalf of Sumitomo Corporation of America, for a classification ruling on a certain tubular copper product has been referred by the Regional Commissioner of Customs, New York, to Customs Headquarters for a reply. FACTS: The merchandise is described by the importer as Sumitomo enhanced seamless copper "tubes". The product is of refined copper and has approximately 50 to 65 grooves which run helically throughout the inner surface of the tube. The grooves are approximately .15 to .3 mm in depth or height. The outer diameter of the tube is approximately 3/8".…
087593 · 1991-04-01 — Copper Tubes; Pipes; Hollow Profiles; Rifled; Ridged; Grooved; Threaded; Finned; Gilled; Enhanced; Heat Transfer
Your request dated June 29, 1990, on behalf of Marubeni America Corporation, for a classification ruling on a certain tubular copper product has been referred by the Regional Commissioner of Customs, New York, to Customs Headquarters for a reply. FACTS: The merchandise is described by the importer as Thermofin seamless copper "tube" of refined copper. The product has approximately 50 to 65 grooves which run helically throughout the inner surface of the tube. The grooves are approximately .15 to .3 mm in depth. The outer diameter of the tube is approximately 3/8". The tube is used in heat…
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