Unwrought Tungsten Sintered Rod for Welding Electrodes from Mexico
Sintered pure tungsten rods serving as base material for thoriated or lanthanated TIG welding electrodes. HTS 8101.94.00.00 applies to this unwrought sintered form before doping. Critical for arc stability in high-precision welding.
Duty Rate — Mexico → United States
16.6%
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
• Radioactivity declarations needed if thoria-doped post-import; import pure form
• Process documentation must specify 'simple sintering' without extrusion