720410 Waste and scrap of cast iron
720421 Waste and scrap Of stainless steel
720429 Waste and Scrap of Other Ally Steel
720430 Waste and scrap of tinned iron or steel
720441 Other waste and scrap:Turnings, shavings, chips, milling waste, sawdust, filings, trimmings and stampings,whether or not in bundles:
720449 Other Ferrous Waste and Scrap
720450 Remelting scrap ingots