Recrystallized Iridium Sheet
Heat-treated iridium sheet with controlled grain structure for aerospace. Still semimanufactured under HTS 7110.49.0050.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
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Import Tips & Compliance
• Annealing certificates show no dimensional change from working
• Grain size photos/micrographs prove recrystallization stage
• NASA/DoD specs may require qualified products listing
Related Products under HTS 7110.49.00.50
Ruthenium-Rhodium Alloy Wire
70% ruthenium-30% rhodium thermocouple wire, drawn to 0.1mm. Predominant ruthenium classifies in HTS 7110.49.0050.
Osmium-Iridium Bimetal Strip
Diffusion-bonded osmium-iridium strip for wear-resistant coatings. Composite treated as alloy of predominant metal in HTS 7110.49.0050.
Granular Ruthenium Excluding Powder
Ruthenium granules 1-3mm for PVD targets, sieve-tested not qualifying as powder. HTS 7110.49.0050 other ruthenium forms.
Unwrought Iridium Metal
Pure iridium in unwrought form, such as cast ingots or bars not suitable for immediate use in manufacturing, containing at least 99.9% iridium by weight. Classified under HTS 7110.49.0050 as 'other' iridium, osmium, or ruthenium in unwrought or semimanufactured forms, excluding powder, per Chapter 71 notes defining platinum group metals.
Iridium Sheet Semimanufactured Form
Thin iridium sheets rolled to precise thicknesses (0.1-1mm) for use in crucibles or electrical contacts, not yet finished articles. Falls under HTS 7110.49.0050 as 'other' semimanufactured iridium, distinct from powder form per subheading note and Chapter 71 definitions.
Osmium Wire Semimanufactured
Osmium drawn into fine wire (0.05-0.5mm diameter) for pen nibs or catalyst supports, in coil or spool form. HTS 7110.49.0050 covers 'other' osmium in semimanufactured state, excluding unwrought or powder, as per platinum group definitions.