304 Stainless Instrumentation Tubing 12mm OD
Welded 304 stainless instrumentation tubing, 12 mm OD, 1.65 mm wall exactly, for pressure gauge lines. HTS 7306.40.5080 classification for welded circular stainless tube at dimension threshold. Used in industrial instrumentation.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If measured wall <1.65 mm
Precise wall thickness threshold separates subheadings.
If seamless instrumentation grade
Instrumentation often prefers seamless; process changes heading.
If pre-assembled into complete instruments
Fabricated into pressure/liquid instruments moves to Chapter 90.
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Import Tips & Compliance
• Wall thickness at 1.65 mm border; micrometer certs prevent thin-wall reclass
• Declare as 'instrumentation grade' with surface finish specs for valuation
• Bundled with fittings? May classify as 7307.19 tube assemblies
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