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Principles of Welding

Understand introductory principles of welding technology, process of welding and how it affects welded materials and structures.

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  • Jan 23-Feb 27th, 2023

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Extended Enrollment Available

Enrollment in Guided Study courses via the shopping cart automatically closes the day before each session begins. If you wish to enroll in a session in progress, please call ASME Customer Care:

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Please note: When chosing extended enrollment, keep in mind that all sessions end on the originally published date.

Description

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This course provides an introduction to the principles of welding technology. The course describes the process of welding and how it affects welded materials and structures. It describes the electric circuits that are used to generate welding arcs, material properties, and the metallurgical and dimensional effects of welding on structures. The course also provides an overview of weld design concepts including efficient weld sizing and communication of weld and welding information through weld symbols on drawings.

This is an online, instructor-supported course, allowing you to work at your own pace and convenience.

You Will Learn To

  •  Explain how to use and application of common welding processes
  • Describe basic weld design concepts, such as weld size determination and communication through weld and welding symbols on drawings
  • Explain how welding affects various welded materials, including metallurgical and dimensional changes
  • Describe the advantages and disadvantages of various arc-welding processes
  • Identify basic electric circuits that are used to accomplish arc welding
  • Identify weld inspection techniques, including non-destructive examination
  • Identify common problems with welding processes and explain how to troubleshoot them

Who Should Attend
New technologists, engineers, managers and quality personnel who wish to understand the fundamental principles of welding to control and troubleshoot welding processes, reduce operating cost and improve the quality of their product. It is an ideal prerequisite to the ASME B&PVC Section IX Course for those individuals with little or no prior welding experience.

To take this course you should have a personal computer, Web browser, Internet connection, and software to display PDF files (such as Adobe Reader®).

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Outine

 Module 1:  What is welding and how is it accomplished?

  • Electric Circuits for Arc Welding
  • The Welding Arc
  • Material Properties

Module 2:  What Are the Effects of Welding on the Welded Structure?

  • Fundamental Steel Metallurgy
  • Metallurgical Transformations In Steel During Welding
  • Residual Stress & Distortion
  • Cracking, Corrosion & Other Degradation

Module 3: Welding Processes

  • Welding Process Categories
  • Flux-shielded processes
  • Gas-shielded processes
  • Process selection

Module 4: Welding of Various Materials

  • Welding of ferrous materials
  • Welding of non-ferrous and dissimilar materials
  • Material Groupings & Specifications

Module 5:  Basics of Welding Design

  • Terminology
  • Joint types, weld types, positions
  • Weld strength and weld sizing
  • Design for manufacturability
  • Filler metal selection
  • Overmatched and undermatched
  • Weld and welding symbols
  • Standard parts of a weld symbol
  • Common weld details

Module 6: Weld Examination & Quality Control

  • Common welding codes & standards
  • Welding qualifications
  • Procedure & performance qualifications
  • Quality inspections
  • Before, during, and after welding
  • Nondestructive examination
  • Welding safety
  • Common welding defects
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Instructor

Bob McReynolds, P.E.

Principal Engineer, Welding & Metallurgical Engineering

Bob McReynolds, P.E., has worked as a welding & metallurgical engineer in the power, defense and infrastructure industries since 1993. He is licensed as a Professional Engineer and is an AWS Certified Welding Engineer and Certified Welding Inspector.

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