Resistance heating is commonly used with aluminum and copper alloys. Vacuum induction melting (VIM) uses an induction heating source within a sealed, air-evacuated chamber. Often, crucibles that ...

As [Ben] points out, taking the extra step to melt and cast the copper harvested from microwaves makes no sense if all you’re going to do is sell the scrap, but it’s nice to know how to do it ...

With the U.S. Mint halting cent production, some are hoarding Lincoln Cents in hopes of future profit. But with billions in circulation and strict melting restrictions, is it worth the effort—or just ...

Restricted copper concentrate supplies have producers in China considering boosting scrap percentages at melt shops, ...