Seamless C11000 ETP Copper Instrumentation Tubing
Electrolytic tough pitch (ETP) C11000 seamless copper tubing for precision instrumentation and laboratory gas lines. HTS 7411.10.10 covers seamless refined copper per Chapter 74. Fractional sizes ensure leak-tight connections.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported with lab instrument manifolds
Complete lab instruments with copper tubing classify under Chapter 90.
If high-pressure industrial instrument lines
Seamless copper for pressure pipe systems may use Chapter 73 if over certain specs.
If admiralty brass construction
Brass alloys per subheading note (a) have separate refined copper-like classification.
Not sure which classification is right?
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Import Tips & Compliance
• Specify 1/4-inch OD typical sizes; provide Swagelok/VCO end connection compatibility
• Avoid bulk packaging confusion with pipe fittings under 7412
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