Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Subheadings
Products classified under HTS 7411.10.10
Seamless Refined Copper Refrigeration Tubing
High-precision seamless tubing made from refined copper, designed for refrigerant lines in HVAC systems and refrigerators. It falls under HTS 7411.10.10 as seamless copper tubes of refined copper per Chapter 74 definitions. The seamless construction ensures leak-proof performance under pressure.
Seamless C12200 Copper Water Line Tubing
Seamless tubing of C12200 deoxidized refined copper used for potable water supply lines in plumbing. Classified under HTS 7411.10.10 for its seamless refined copper composition as defined in Chapter 74. Corrosion-resistant properties make it ideal for residential and commercial applications.
Seamless Refined Copper Pneumatic Cylinder Tubing
Precision seamless refined copper tubes for pneumatic and hydraulic cylinders in automation equipment. HTS 7411.10.10 applies to these unwrought seamless forms of refined copper. High strength and conductivity suit industrial pneumatic systems.
Seamless Type L Copper Evaporator Coils Tubing
Type L wall thickness seamless refined copper tubing formed into coils for air conditioner evaporators. Falls under HTS 7411.10.10 as basic seamless refined copper tubes before final coil assembly. Meets standards for heat transfer efficiency.
Seamless C10100 OFHC Copper Vacuum Tubing
Oxygen-free high-conductivity (OFHC) C10100 seamless refined copper tubing for high-vacuum systems in semiconductors. HTS 7411.10.10 covers these seamless refined copper pipes per Chapter 74 notes. Minimal impurities ensure ultra-high vacuum performance.
Seamless Refined Copper Medical Gas Piping
Seamless refined copper pipes compliant with NFPA 99 for hospital oxygen, nitrous oxide delivery systems. Classified HTS 7411.10.10 as seamless refined copper tubes. Medical-grade cleanliness and seamless design prevent contamination.
Seamless DHP Copper Heat Exchanger Tubing
Deoxidized high-phosphorus (DHP) seamless refined copper tubes for shell-and-tube heat exchangers. HTS 7411.10.10 for seamless refined copper per legal definitions. Enhanced thermal conductivity for industrial process cooling.
Seamless Refined Copper Solar Thermal Collector Tubing
Seamless refined copper riser tubes for flat plate solar thermal collectors absorbing sunlight. Falls under HTS 7411.10.10 as basic seamless refined copper tubes. High solar absorption coating applied post-import typically.
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.
Seamless Refined Copper Cryogenic Transfer Lines
Seamless refined copper tubes for liquid nitrogen/helium transfer in cryogenic research facilities. Classified HTS 7411.10.10 as seamless refined copper pipes. Excellent thermal conductivity at low temperatures.
Seamless Type K Soft Copper Grounding Tubing
Type K heavy wall seamless refined copper tubing annealed soft for electrical grounding conductors. HTS 7411.10.10 for seamless refined copper tubes used in building ground systems. Meets NEC requirements for grounding electrode systems.
Seamless Refined Copper Fuel Line Tubing
Seamless refined copper tubing for low-pressure fuel lines in propane/natural gas appliances. Falls under HTS 7411.10.10 as seamless refined copper per definitions. Corrosion resistance essential for gas service.
Seamless C10200 Oxygen-Free Copper RF Tubing
C10200 oxygen-free seamless copper tubing for radio frequency waveguides and microwave components. HTS 7411.10.10 covers seamless refined copper tubes. Low signal loss critical for RF transmission.
Seamless Refined Copper Brewery Wort Chiller Tubing
Seamless immersion wort chiller coils made from refined copper tubing for craft beer cooling. Classified HTS 7411.10.10 as basic seamless refined copper before coiling. Rapid heat transfer essential for homebrewing.
Seamless UNS C12200 ACR Copper Tubing
Air conditioning and refrigeration (ACR) service seamless UNS C12200 refined copper tubing. HTS 7411.10.10 for seamless refined copper per Chapter 74 notes. Nitrogen-charged during manufacturing prevents oxidation.