Cold-Rolled 304 Stainless Steel Capillary Tubing 1.5mm OD
Precision cold-rolled seamless 304 stainless steel tubing with 1.5 mm external diameter, ideal for chromatography columns and instrumentation. Classified under HTS 7304.41.30.45 for its cold-formed seamless circular cross section under 19 mm OD from stainless steel. Excludes cast iron and meets wire dimension limits indirectly via chapter notes.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If external diameter 19 mm or greater
Larger OD seamless cold-drawn stainless tubes move to different statistical suffix within the same heading.
If imported as parts of heat exchangers
Tubes specifically shaped or adapted for heat exchange equipment are classified with the machinery under Chapter 84.
If not seamless (e.g., welded)
Welded stainless tubes of circular section under 19 mm OD are under heading 7307 for tube or pipe fittings.
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Import Tips & Compliance
• Provide dimensional specs and seamless certification; label as 'capillary tubing' to distinguish from wire
• Common pitfall: incorrect OD measurement leading to wrong subheading
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