Steel discs are very important. The disc acts timing device to allow the welding powder to heat to proper temperature, the disc away allowing the molten copper to a point where it would weld metal toenter the weld gravity before ignition. One Metal...
Steel discs are very important. The disc acts timing device to allow the Weldinging powder to heat to proper temperature. Steel Disk is designed to contain the exothermic reaction to the upper crucible of a mold until the reaction is complete...
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