SSI offers a variety of low-speed, high-torque shredders for volume reduction and recovery of ferrous and non-ferrous scrap metal materials.. Shred. Liberate. Consistency. Versatility. Ask us how we do it. ... COPPER, BRASS, OTHER NON-FERROUS. Anodes, tubing, radiators, ICW, brass, silver coated wire & plate and more have been processed with ...