The minimum content within the re-melt recovery rate of No. 2 copper wire scrap is 94%. No. 1 Copper wire nodules consist of No. 1 bare, unalloyed, uncoated copper wire nodules that are gathered from choppings or shredding and are no smaller than 16 gauge. No. 1 copper wire nodules provide a 99% content re-melt recovery rate. No. 2 Copper wire .