Tungsten Thermocouple Wire
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If assembled into complete thermocouple sensor
Finished thermocouple assemblies classify as temperature sensors in Chapter 90, not raw wire.
If tungsten content <99% by weight
Per Chapter 81 note, low-tungsten alloys classify as 'other articles' excluding dominant base metal.
If sold as stranded wire rope
Stranded or twisted tungsten wire may be considered wire rope under Chapter 73, regardless of material.
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Import Tips & Compliance
• 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
Related Products under HTS 8101.96.00.00
Tungsten Filament Wire
Thin tungsten wire used primarily as filaments in incandescent light bulbs and halogen lamps. It falls under HTS 8101.96.00.00 as it is wire made from tungsten (wolfram), distinct from rods or bars.
Tungsten EDM Wire
High-precision tungsten wire for electrical discharge machining (EDM), valued for its high melting point and conductivity. Classified under HTS 8101.96.00.00 specifically as tungsten wire, separate from coated or profiled variants.
Pure Tungsten Lamp Wire
99.95% pure tungsten wire drawn for use in specialty lighting filaments, offering superior durability. It is explicitly 'wire' under HTS 8101.96.00.00 within tungsten articles.
Tungsten Welding Wire
Straight or coiled tungsten wire for TIG welding electrodes, prized for arc stability. Classified as plain wire under HTS 8101.96.00.00 before any electrode processing.
Tungsten Heating Element Wire
Resistive tungsten wire for industrial furnace heating coils, capable of 3000°C operation. It qualifies as 'other wire' under HTS 8101.96.00.00 for tungsten products.
Tungsten Microelectronics Wire
Ultra-fine tungsten wire (down to 10μm) for bonding in semiconductor packaging. As pure tungsten wire, it is covered by HTS 8101.96.00.00.