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Arc Stud Welding involves the same basic principles and metallurgical aspects as any other arc welding procedure. A controlled electric arc is used to melt the stud or electrode and a portion of the base metal. The stud is thrust automatically into the molten metal, forming a high quality fusion weld where the weld is stronger than the stud itself. Stud Welding is applicable to mild steel, stainless and aluminum.
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(1) Stud and ceramic ferrule against the work plate
(2) Stud lifts and arc is drawn
(3) Control times out and stud plunges into molten steel
(4) Metal solidifies and weld is completed in a split second
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