Six The sponge electrode is then put in a vacuum arc furnace for melting. In this particular water-cooled, copper container, An electrical arc is used to soften the sponge electrode to variety an ingot. For the reason that Just about every fashion has its individual formatting nuances that evolve as https://glasslinedductileironpipe26926.slypage.com/36430725/mohs-hardness-scale-for-dummies