Gas Welding Techniques


30 hours

  Course Prerequisites:
Fundamentals of Welding, Part 1 (286025)
Fundamentals of Welding, Part 2 (286066)
Gas Welding Equipment (6272A-B)

  What Students Learn:
PART 1 (6276A). Instructions for Practice Welds; Joint Preparation; Corner Joints, Butt Joints, Lap and Tee Joints, and Fillet Welds; Tests to Make on Practice Welds; Welding with Single and Two or More Weld Layers; Progress Tests and Supplementary Heating; Welding Production Data; Application to Estimating and Calculation of Costs.
PART 2 (6276B). Weight and Schedule Systems of Classifying Pipe; Positions in Which Pipe is Welded, the Joint Preparation, and the Techniques to Use; Changes in Direction with Commercial Fittings, by Bending, and with Fabricated Fittings; Stress Relieving Tests and Tables of Weld Requirements; Advantages and Disadvanages of Braze Welding; Filler Metals; Fluxes; Joint Preparations; Braze Welding Techniques; Groove Preparations; Fluxes; Heat Treatment; Joint Preparation; Estimating Requirements; Welding Cast Iron with Cast Iron Welding Rods and Braze Welding Cast Iron; Malleable Iron Welding.
PART 3 (6276C). Welding Procedures for Medium Carbon, High Carbon, and Stainless Steels; Preheating and Supplementary Heating; Welding Rods, Fluxes, and Joint Designs for Copper and Copper Alloys; Using Oxyacetylene and Oxyhydrogen for Welding Aluminum and Aluminum Alloys; Welding Rods, Fluxes, Joint Designs, and Techniques; Welding Procedures, Joint Designs, Fluxes, Welding Rods, and Techniques of Welding Magnesium and Magnesium Alloys, Nickel and Nickel Alloys, and Lead; Weld Sequence; Jigs and Fixtures; Joint Design; Drum Heading; Pre-deforming to Control Distortion.



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