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Seamless Refined Copper Cryogenic Transfer Tubing

Seamless refined copper tubing rated for cryogenic fluids like liquid nitrogen transfer. Under HTS 7411.10.10.90 as other seamless refined copper pipes. Maintains ductility at low temperatures.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China1.5%+75.0%76.5%
🇲🇽Mexico1.5%+50.0%51.5%
🇨🇦Canada1.5%+50.0%51.5%
🇩🇪Germany1.5%+50.0%51.5%
🇯🇵Japan1.5%+50.0%51.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7411.29Lower: 13% vs 76.5%

If copper-nickel for cryogenic service

Nickel silvers/copper-nickel alloys (notes c,d) under 7411.29.

8456Lower: 12.2% vs 76.5%

If parts of cryogenic machinery

Dedicated machine parts supersede tube classification.

7304.41Lower: 50% vs 76.5%

If stainless steel cryogenic tubes

Steel tubes for same use in Chapter 73.

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Import Tips & Compliance

• Low-temp test certs essential for cryogenic validation

• Confirm refined Cu purity for extreme conditions

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