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Platinum, unwrought or in semi-manufactured forms, or in powder form. > Iridium, osmium and ruthenium: > Other > Other
Duty Rate (from China)
Products classified under Tariff item 7110.4
99.999% Iridium Lump
Irregular chunks of ultra-high purity (5N) iridium from electrolysis, weighing 100g-500g each. They are classified as unwrought pure iridium under this tariff item.
7110.41.00Arc-Melted Iridium Button
Disc-shaped iridium mass from vacuum arc remelting, typically 50mm diameter, serving as stock for forging. It remains unwrought under this tariff item despite casting.
7110.41.00Cast Iridium Sponge
Cast iridium sponge is a porous, unwrought form of iridium produced by chemical precipitation and reduction. It is considered unwrought prior to fabrication and is a common precursor for further processing into semi-manufactured forms.
7110.41.00Cast Osmium Sponge
Cast Osmium Sponge is a porous form of osmium produced by reduction processes, considered unwrought as it requires further refining before fabrication. It is a dense platinum group metal used in various industrial applications. This product falls under tariff item 7110.41.00 as unwrought osmium in a non-powder form.
7110.41.00Electrolytic Osmium Cathodes
Electrolytic Osmium Cathodes are cathode deposits of osmium from electrolytic refining, in plate form but still unwrought. They represent refined but unworked osmium metal. This product falls under tariff item 7110.41.00 as unwrought osmium, a platinum group metal.
7110.41.00Electrolytic Ruthenium Ingot
Electrolytic Ruthenium Ingot is a high-purity ruthenium ingot cast from electrolytic deposition, in unwrought rectangular form for remelting. It is not further processed into semi-manufactured states. This product falls under tariff item 7110.41.00 as unwrought ruthenium per Chapter 71 definitions.
7110.41.00High-Purity Iridium Pellets
Cylindrical or cubic pressed pellets of 99.99% pure iridium for electron beam evaporation in thin-film deposition. They are unwrought as simple compression forms, not machined or rolled.
7110.41.00High-Purity Osmium Pellets
High-Purity Osmium Pellets are small, pressed pellets of pure osmium used as starting material for evaporation and thin-film deposition. They are considered unwrought since no significant working beyond consolidation has occurred. This product falls under tariff item 7110.41.00 as unwrought osmium in non-powder form.
7110.41.00High-Purity Ruthenium Shot (Unwrought)
High-Purity Ruthenium Shot (Unwrought) consists of small spherical ruthenium shot produced by atomization but qualifying as unwrought due to irregular form. It does not meet the powder sieve criteria. This product falls under tariff item 7110.41.00 as unwrought ruthenium in non-powder form.
7110.41.00Iridium Casting Grain
Small, irregular granules of pure iridium designed for melting in investment casting applications. They are classified as unwrought form, not semi-finished like bars or sheets.
7110.41.00Iridium Powder 99.9% Pure
Iridium powder with 99.9% purity, where 90% or more passes through a 0.5mm sieve, is classified as powder form under this tariff item. It is used in electronics and catalysis.
7110.41.00Iridium Powder Precursor Sponge
Coarse sponge fragments intended for milling into powder, classified as unwrought under this tariff item since the current form doesn't meet powder sieve criteria. Used in additive manufacturing and catalyst preparation.
7110.41.00Mixed Iridium-Ruthenium Powder
Mixed Iridium-Ruthenium Powder is a powdered alloy of iridium and ruthenium, where neither metal predominates by weight over the other platinum group metals. It falls under tariff item 7110.41.00 as an unwrought or powder form of iridium, osmium or ruthenium, per the classification rules for platinum group metal alloys. This product is used as a raw material in various industrial applications, including catalysis and electronics.
7110.41.00Osmium Powder 99.9% Pure
Osmium Powder 99.9% Pure is finely divided osmium metal powder where 90% or more passes through a 0.5 mm sieve. It is used in alloying and catalysis applications. This product falls under tariff item 7110.41.00 as osmium in powder form, explicitly defined in the subheading notes.
7110.41.00Osmium Powder Ultra-Fine
Ultra-fine osmium powder for thin-film deposition, compliant with the 0.5mm sieve passage per subheading note. It is classified as powder form of osmium under this tariff item.
7110.41.00Osmium Sponge (Unwrought)
Osmium Sponge (Unwrought) is a porous osmium sponge produced by chemical reduction, considered unwrought as it requires further consolidation. It is not in powder form. This product falls under tariff item 7110.41.00 as unwrought osmium.
7110.41.00Pure Iridium Sponge
Porous iridium sponge produced via chemical precipitation and reduction, serving as an intermediate form before consolidation into ingots. It falls under this tariff item as unwrought iridium.
7110.41.00Recycled Osmium Unwrought Lump
Recycled Osmium Unwrought Lump consists of irregular lumps of refined osmium from scrap recovery, in unwrought condition for remelting. It is not in powder form. This product falls under tariff item 7110.41.00 as unwrought osmium.
7110.41.00Ruthenium Casting Grain (Unwrought)
Ruthenium casting grain in unwrought form, consisting of small irregular grains intended for melting and casting into alloys. This product falls under tariff item 7110.41.00 as unwrought ruthenium, not in powder form, and is distinct from semi-manufactured forms such as pellets or wire.
7110.41.00Ruthenium Grain
Ruthenium Grain consists of granular unwrought ruthenium grains from hydrogen reduction, larger than powder specifications, used for dosed alloying. It does not meet the powder definition per subheading note sieve test. This product falls under tariff item 7110.41.00 as unwrought ruthenium.
7110.41.00Ruthenium Pellet
Ruthenium Pellet consists of small cylindrical pellets of pure ruthenium produced by atomization but remaining unwrought, used for alloy addition in metallurgy. It does not qualify as powder per the sieve test. This product falls under tariff item 7110.41.00 as unwrought ruthenium.
7110.41.00Ruthenium Powder for Catalysts
High-purity ruthenium powder in form passing 0.5mm sieve, primarily used in chemical catalysis and electronics plating. It falls under this tariff item as powder form of ruthenium.
7110.41.00Ruthenium Sponge
Ruthenium Sponge is a porous ruthenium sponge obtained from reduction processes, in unwrought lump form ready for melting into ingots. It is distinct from powder as it does not meet the 0.5 mm sieve test. This product falls under tariff item 7110.41.00 as unwrought ruthenium.
7110.41.00Ruthenium Unwrought Pellet
Compressed but unwrought pellets of ruthenium for vacuum melting applications. They remain under this tariff item as they lack specific shaping or working.
7110.41.00Unwrought Iridium Bar
A solid bar of pure iridium in unwrought form, produced by melting and casting without further processing into specific shapes. It falls under this tariff item as unwrought iridium.
7110.41.00Unwrought Iridium Grain
Granular unwrought iridium produced by gas atomization, used directly in powder metallurgy. It is classified as unwrought form of iridium under this tariff item.
7110.41.00Unwrought Iridium Ingot
Unwrought Iridium Ingot is a solid ingot of pure iridium metal, produced by melting and casting, typically weighing 1 kg or more. It is in unwrought form, serving as raw material for further processing into semi-manufactured products. This product falls under tariff item 7110.41.00 as unwrought iridium, a platinum group metal.
7110.41.00Unwrought Iridium-Ruthenium Alloy Bar
Unwrought iridium-ruthenium alloy bar, cast in bar form, where ruthenium predominates by weight over iridium and other platinum-group metals. This product is classified under tariff item 7110.41.00 as unwrought 'other' iridium, osmium, or ruthenium, per the alloy classification rules in Chapter 71.
7110.41.00Unwrought Osmium Ingot
Cast ingot of elemental osmium in unwrought condition, valued for its density and hardness in specialized alloys. It is covered under this tariff item as unwrought osmium.
7110.41.00Unwrought Ruthenium Bar
Unwrought Ruthenium Bar is a solid bar of pure ruthenium metal in unwrought form, produced through electrolysis or chemical precipitation, weighing over 1 kg. It is not further processed into sheets or wires. This product falls under tariff item 7110.41.00 as unwrought ruthenium.
7110.41.00Unwrought Ruthenium Shot
Small spherical pellets or shot of ruthenium produced by atomization, in unwrought form for alloying. It is classified under this tariff item as unwrought ruthenium.
7110.41.00Vacuum-Distilled Ruthenium Lump
Vacuum-Distilled Ruthenium Lump consists of irregular lumps of ultra-pure ruthenium purified by vacuum distillation, in unwrought condition for research applications. It is not further processed into semi-manufactured forms. This product falls under tariff item 7110.41.00 as unwrought ruthenium.
7110.49.0099.999% Pure Iridium Grain
High-purity iridium grains (2-5mm) produced by gas atomization, with 99.999% purity, for investment casting. These grains are sized beyond the powder definition (less than 90% passes through a 0.5mm sieve) and are in semi-manufactured form, falling under tariff item 7110.49.00 for other iridium, osmium, and ruthenium forms.
7110.49.00Granular Ruthenium Excluding Powder
Ruthenium granules of 1-3mm size for PVD targets, sieve-tested to ensure they do not qualify as powder (less than 90% passes through a 0.5mm sieve). These granules are in semi-manufactured form and fall under tariff item 7110.49.00 for other ruthenium forms.
7110.49.00High-Purity Iridium Discs 50mm Diameter
High-purity iridium discs, 50mm diameter, precision-machined for sputtering targets in semiconductor manufacturing. As semi-manufactured iridium forms other than powder, they fall under this tariff item.
7110.49.00Iridium Bar 5mm x 20mm Cross-Section
Rectangular iridium bar with 5mm x 20mm cross-section, for machining into crucibles and electrodes. As a semi-manufactured iridium form other than unwrought or powder, it falls under this tariff item.
7110.49.00Iridium Discs Semimanufactured
Precision-cut iridium discs (10-50mm diameter, 1-5mm thick) for crucibles, in semi-manufactured form. These discs are not yet finished articles and are classified under tariff item 7110.49.00 as 'other' iridium semi-manufactured shapes.
7110.49.00Iridium Foil Sheet 0.05mm Thick
Thin iridium foil rolled to 0.05mm thickness for thin-film deposition and corrosion-resistant linings. As a semi-manufactured iridium form other than powder, it falls under this tariff item.
7110.49.00Iridium Powder-Excluding Form
Iridium flakes or granules (0.5-2mm size) for thermal spray coatings, with less than 90% passing through a 0.5mm sieve, thus excluded from the powder subheading. These are classified under tariff item 7110.49.00 as 'other' semi-manufactured iridium.
7110.49.00Iridium-Ruthenium Alloy Wire
Iridium-ruthenium alloy wire in semi-manufactured form, containing 60% iridium and 40% ruthenium by weight. Since iridium predominates over ruthenium, the alloy is classified under the iridium subheading, and as a semi-manufactured form other than powder, it falls under this tariff item.
7110.49.00Iridium Sheet (Semi-Manufactured)
Rolled iridium sheet, 1mm thick, in semi-manufactured form for use in crucibles for semiconductor production. As a semi-manufactured iridium product other than unwrought or powder, it is classified under this tariff item.
7110.49.00Iridium Sheet Semimanufactured Form
Thin iridium sheets rolled to precise thicknesses (0.1-1mm) for use in crucibles or electrical contacts, not yet finished articles. These sheets are in semi-manufactured form and fall under tariff item 7110.49.00 as 'other' semi-manufactured iridium.
7110.49.00Iridium Sponge
Iridium sponge, a porous semi-manufactured form produced by reducing iridium compounds, used in high-temperature alloys and spark plugs. Since it is not powder per the sieve test and is semi-manufactured, it falls under this tariff item.
7110.49.00Iridium Strip 10mm Wide x 0.2mm Thick
Rolled iridium strip, 10mm wide by 0.2mm thick, for electrical contacts and sealing rings in vacuum equipment. As a semi-manufactured iridium form other than powder, it falls under this tariff item.
7110.49.00Iridium Tube Hollow Stock 3mm OD
Seamless iridium tubing, 3mm outer diameter, for thermocouple sheaths and chemical reactor components. As a semi-manufactured hollow form other than powder, it falls under this tariff item.
7110.49.00Iridium Wire Rod 1mm Diameter
Semi-manufactured iridium wire rod drawn to 1mm diameter, suitable for further drawing into fine wires for thermocouples and electrical contacts. As a semi-manufactured iridium form other than powder, it falls under this tariff item.
7110.49.00Mixed Iridium-Ruthenium Alloy Bar
A semi-manufactured bar alloyed with 60% iridium and 40% ruthenium for spark erosion electrodes. Per the alloy rules, since iridium predominates by weight and platinum is less than 2%, it is classified as iridium under tariff item 7110.49.00.
7110.49.00Osmium Black Powder Alternative Form
Osmium black in compacted semi-manufactured pellets, not qualifying as powder per the sieve test, used in alloying. As a semi-manufactured osmium form other than powder, it falls under this tariff item.
7110.49.00Osmium-Iridium Bimetal Strip
Diffusion-bonded osmium-iridium strip for wear-resistant coatings, treated as an alloy of the predominant metal. Since osmium and iridium are both platinum group metals, the strip is classified under tariff item 7110.49.00 as 'other' semi-manufactured forms.
7110.49.00Osmium Semimanufactured Strip
Osmium strips (2-10mm wide) for electrical contacts in harsh environments, in semi-manufactured form. These strips are classified under tariff item 7110.49.00 as 'other' osmium semi-manufactured forms, excluding unwrought or powder.
7110.49.00Osmium Wire Semimanufactured
Osmium drawn into fine wire (0.05-0.5mm diameter) for pen nibs or catalyst supports, in coil or spool form. This semi-manufactured wire is classified under tariff item 7110.49.00 as 'other' osmium in semi-manufactured state, excluding unwrought or powder.
7110.49.00Osmium Wire (Semi-Manufactured)
Osmium wire in semi-manufactured form, 0.5-1mm diameter, used in medical implants and electrical contacts. As a semi-manufactured osmium product other than unwrought or powder, it falls under this tariff item.
7110.49.00Pure Iridium Powder-Free Semimanufactured Pellet
Compressed iridium pellets in semi-manufactured form for spark erosion electrodes and additive manufacturing feedstock. Distinct from powder per the subheading note, they fall under this tariff item.
7110.49.00Recrystallized Iridium Sheet
Heat-treated iridium sheet with controlled grain structure for aerospace applications, still in semi-manufactured form. This recrystallized sheet is classified under tariff item 7110.49.00 as 'other' semi-manufactured iridium.
7110.49.00Ruthenium Discs (Semi-Manufactured)
Precision-cut ruthenium discs, 10mm diameter and 0.5mm thick, for sputtering targets. As semi-manufactured ruthenium forms other than unwrought or powder, they fall under this tariff item.
7110.49.00Ruthenium Foil Semimanufactured
Ultra-thin ruthenium foil (<0.15mm thick) used in electronics plating or catalysts, supplied in rolls. This semi-manufactured foil is classified under tariff item 7110.49.00 as 'other' ruthenium semi-manufactured, not powder per the sieve definition.
7110.49.00Ruthenium Foil (Thickness 0.1mm)
Thin ruthenium foil, 0.1mm thick, in semi-manufactured form for plating baths and catalyst production. As a semi-manufactured ruthenium product other than powder, it falls under this tariff item.
7110.49.00Ruthenium-Rhodium Alloy Wire
70% ruthenium-30% rhodium thermocouple wire, drawn to 0.1mm. Since ruthenium predominates by weight, the wire is classified as ruthenium under tariff item 7110.49.00 as 'other' semi-manufactured forms.
7110.49.00Ruthenium Strip for Catalysts
Ruthenium metal strip, 0.2mm x 10mm, semi-manufactured, used as a catalyst precursor in hydrogenation processes. As a semi-manufactured ruthenium form other than powder, it falls under this tariff item.
7110.49.00Ruthenium Tube Semimanufactured
Seamless ruthenium tubing (3-10mm OD) for chemical processing equipment, in semi-manufactured form. This tubing is classified under tariff item 7110.49.00 as 'other' ruthenium hollow semi-manufactured forms.