GTAW – Low Alloy and Stainless Steel Pipe – Module ID 29305-16

GTAW – Low Alloy and Stainless Steel Pipe – Module ID 29305-16

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Module Five (29305-16) reveals that low alloy and stainless steel materials can be more challenging to weld, as the weld puddle tends to be more fluid and harder to manage. With practice and the proper technique however, sound and reliable welds can be created using the GTAW process. This module presents information regarding GTAW of these materials and their unique characteristics. A significant amount of time is devoted to practice in a variety of positions

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Description

Objectives

Learning Objective 1 • State the basic concepts of open-root GTAW of low alloy and stainless steel pipe and how to prepare for welding.

  • State the basic concepts of low alloy and stainless steel pipe welding using the GTAW process.
  • Identify common welding safety practices.
  • Explain how to prepare the area, materials, and equipment for low alloy and stainless steel pipe welding using the GTAW process.

Learning Objective 2 • Describe open-root V-groove pipe welding positions and GTAW pipe-welding techniques.

  • Describe the techniques used to apply GTAW to low alloy and stainless steel pipe.
  • Describe how to make the root pass with a gas backing.
  • Describe the techniques required to produce open-root GTAW low alloy and stainless steel pipe welds in various positions.

Performance Tasks

Performance Task 1 (Learning Objective 2) • Make GTAW open-root V-groove low alloy or stainless steel pipe welds in the 2G position using the appropriate filler metal and a gas backing.

Performance Task 2 (Learning Objective 2) • Make GTAW open-root V-groove low alloy or stainless steel pipe welds in the 5G position using the appropriate filler metal and a gas backing.

Performance Task 3 (Learning Objective 2) • Make GTAW open-root V-groove low alloy or stainless steel pipe welds in the 6G position using the appropriate filler metal and a gas backing

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