Pressure Welder - ASCO 4122-13

Tasks & Duties

Assembles, welds and repairs pressure vessels and pipes to pressure test standards.

  • studies drawings or specifications to determine job requirements
  • cleans and prepares metal surfaces by gouging, bevelling, grinding or filing
  • cuts metal shapes using thermal cutting equipment
  • aligns surfaces to be joined and secures by tack-welding or jigging
  • selects welding techniques appropriate to type and thickness of metal
  • connects electrode holders to power sources and adjusts controls on electrode holders or welding equipment to regulate currents
  • forms arcs which generate heat to melt metal from electrodes, and deposits metal on workpieces to fuse joints
  • guides electrodes along weld lines
  • cleans and smooths welds by filing, chiselling or grinding, and examines welds for width of bead, penetration and precision
  • cuts metal shapes using thermal cutting equipment
  • may weld mild steel, alloy steel, stainless steel, aluminium and copper

Entry Skill Level

The entry requirement for this occupation is an AQF Certificate III or higher qualification. Registration or licensing may be required.

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