4122-13 Pressure Welder

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

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

Tasks Include:

• 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