6724: Ingots & other primary forms, of iron or steel

67241: Ingots of iron (excluding 671339) or non-alloy steel 67245: Other primary forms of iron or non-alloy steel 67247: Ingots & other primary forms, of stainless steel 67249: Ingots & other primary forms, of other alloy steel 6724: Ingots & other primary forms, of iron or steel