Ruthenium Casting Grain (Unwrought)
Small irregular ruthenium grains used directly for melting and casting into alloys. HTS 7110.41.0050 applies to unwrought ruthenium not in powder form, distinct from semimanufactured pellets or wire.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in fine powder form for catalysts
Powder ruthenium meeting sieve test classifies separately under subheading.
If alloyed with >2% platinum by weight
Per note 5(a), platinum-predominant alloys go to 7110.31 regardless of other PGMs.
If chemically defined mixtures or preparations
Ruthenium in chemical mixes for lab use may fall under Chapter 38.
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Import Tips & Compliance
• Submit spectrographic analysis confirming ruthenium as the classifying metal per note 4
• Document grain size exceeds powder spec to prevent misclassification to 7110.41.0010
• Check for alloy content; >2% platinum shifts to platinum alloy heading
Related Products under HTS 7110.41.00.50
Unwrought Iridium Ingot
A solid ingot of high-purity iridium in unwrought form, typically cast into bars or blocks for further processing. Classified under HTS 7110.41.0050 as unwrought iridium, one of the platinum group metals, not in powder form or semimanufactured shapes like wire or plate.
Osmium Sponge (Unwrought)
Porous osmium sponge produced by chemical reduction, considered unwrought as it requires further consolidation. Falls under HTS 7110.41.0050 for unwrought osmium or ruthenium in non-powder form, per HTS definitions excluding semimanufactured shapes.
Recycled Osmium Unwrought Lump
Irregular lumps of refined osmium from scrap recovery, in unwrought condition for remelting. HTS 7110.41.0050 covers such 'other' unwrought platinum group metals excluding powder.
High-Purity Ruthenium Shot (Unwrought)
Small spherical ruthenium shot produced by atomization but qualifying as unwrought due to irregular form. Falls under 7110.41.0050 for unwrought ruthenium not meeting powder sieve criteria.
Unwrought Iridium-Ruthenium Alloy Bar
Cast bar alloy where ruthenium predominates over iridium and other PGMs by weight. Classified in HTS 7110.41.0050 as unwrought 'other' iridium/osmium/ruthenium per chapter note 4 classification rules.