9817.00.80 | | Unwrought metal including remelt scrap ingot (except copper, lead, zinc and tungsten) in the form of pigs, ingots or billets (a) which are defective or damaged, or have been produced from melted down metal waste and scrap for convenience in handling and transportation without sweetening, alloying, fluxing or deliberate purifying, and (b) which cannot be commercially used without re-manufacture; relaying or rerolling rails; and articles of metal (except articles of lead, of zinc or of tungsten, and not including metal-bearing materials provided for in section VI, chapter 26 or subheading 8548.10 and not including unwrought metal provided for in chapters 72-81) to be used in remanufacture by melting or to be processed by shredding, shearing, compacting or similar processing which renders them fit only for the recovery of the metal content: | | | | |