Stored Arc ATC, ATS and ATA studs are designed to be welded to thin gauge sheet metal using either the Stored-Arc® method of stud welding, or a transformer/rectifier power-control source in the short-cycle mode. These applications generally provide a weld bond that is greater than the strength of the sheet metal to which they are welded. Nelson Stored Arc studs have a flanged weld base that is about 1/32", or 1 mm, greater than the nominal stud diameter. The "A" flange allows automatic stud feeding for increased production speeds. The flange also increases the stress area on the sheet. Standard studs are fully threaded, and come in lengths up to 1.25". Mild steel studs are copper flash plated, stainless studs are passivated, and aluminum studs are aced etched for superior weld results.

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