Nickel Thermocouple Sheath from China
Protective tube-shaped sheath of pure nickel for housing thermocouple wires in high-temperature environments. Falls under HTS 7508.90.50.00 as other nickel articles, fabricated beyond simple tubing. Used in industrial sensors for corrosion resistance.
Duty Rate — China → United States
28%
Rate breakdown
9903.88.0325%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)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Specify wall thickness and end fittings in invoice to prove it's a fabricated sheath, not tube
• Obtain supplier certification of nickel content >99% for accurate Chapter 75 classification
• Comply with NIST standards documentation for temperature measurement devices