... 9503,2804,8003905606801,2752,1403,160 Our company is a famous manufacturer of stud and bolt in china,- With advance ... stud as one of the electrodes. The polarity used in stud welding depends on the type of metal being used. Welding aluminum, ... electrical panels, shipbuilding and building construction. Shipbuilding is one of the oldest uses of stud welding. Stud welding revolutionized the shipbuilding ...