Porous Tungsten Scrap Ingots
Note: Excluded by HTS note, but included for completeness. Tungsten ingots with porosity from scrap sintering, requiring remelt. Would classify under 8101.99 if not specifically excluded from 9817.
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Import Tips & Compliance
• Tungsten specifically excluded; use 8101.99.0000 instead,Porosity documentation still valuable for scrap valuation
Related Products under HTS 9817.00.90.40
Impure Tin Pigs
Tin pigs containing iron and arsenic impurities from scrap melting without electrolytic refining. Exceeds commercial purity limits requiring remelt and refining, qualifying under HTS 9817.00.90.40 provisions.
Defective Aluminum Billets
Aluminum billets produced from melted down scrap metal without sweetening, alloying, or purifying, exhibiting surface defects and cracks that render them unsuitable for direct extrusion or forging. These defective billets require complete remelting and reprocessing before commercial use, qualifying under HTS 9817.00.90.40 as unwrought aluminum in billet form unfit for use without remanufacture.
Contaminated Magnesium Pigs
Magnesium pigs cast from remelted scrap containing oxide inclusions and impurities preventing direct foundry use. Requires remelting with fluxing for commercial applications, qualifying as defective unwrought magnesium under HTS 9817.00.90.40.
Cracked Titanium Billets
Titanium billets with internal cracks and surface delamination from scrap consolidation without alloying or vacuum arc remelting. Unfit for aerospace forging without complete remelt, covered by HTS 9817.00.90.40 provisions.
Porous Cobalt Ingots
Cobalt ingots exhibiting porosity and shrinkage cavities from scrap melting without degassing or refining. Cannot be used for superalloy production without remelting, specifically provided for under HTS 9817.00.90.40.
Surface-Defective Molybdenum Billets
Molybdenum billets with heavy surface oxidation and laps from scrap pressing without chemical cleaning or electron beam remelting. Requires complete remelt for commercial wire production under HTS 9817.00.90.40.