Tungsten Thermocouple Wire from Mexico
Tungsten-rhenium alloy wire used in Type C thermocouples for high-temperature measurement up to 2300°C. Though alloyed, if tungsten-dominant (>99% per note exclusion), it fits HTS 8101.96.00.00 as tungsten wire.
Duty Rate — Mexico → United States
14.4%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit chemical analysis certificates proving tungsten content to avoid reclassification as 'other alloys'
• Differentiate from finished thermocouples, which may fall under 9025.19 if assembled
• Watch for strand count; multi-strand may classify as 'cable' under different provisions