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Corrosion & Metallurgy

Welding Metallurgy (Engineering and Inspection)


Welding is a metallurgical process. Welds are to be produced in a range of metals and alloys, the personnel involved must have a thorough understanding of the behavior of materials during welding. Participants will learn how to analyze the metallurgical changes that take place in a material during welding and investigate the influence of these changes on the properties of the weld and the surrounding material of a number of different metals and alloys.

The course also highlights all of the activities related to the design, production, performance, and maintenance of welded products. Interest is primarily in the manufactured product, including material selection, manufacturing methods, tooling, operator training, quality control, performance evaluation, sales, and service. The broad range of welded products with which welding engineers deal includes structures, pressure vessels and heat exchangers, chemical processing equipment, storage vessels, and transmission and distribution piping


By the end of the course, participants will be able to:

  • Acquire important knowledge on welding metallurgy
  • Discover practical solutions to overcome problems in welding
  • Select a suitable welding process and formulate a simple welding procedure
  • Understand the most important soldering and brazing processes
  • Understand the development of solidification microstructure
  • Understand the microstructures typically present in carbon steel welds and surrounding material
  • Acquire knowledge of the fundamental theory of the process, design, materials and testing aspects of welding
  • Apply fundamental welding engineering knowledge in an integrated fashion to solve diverse practical problems in the welding and joining a field
  • Acquire important knowledge on the welding metallurgy of the different types of cast iron
  • Understand typical problems that may be experienced during the welding of cast iron and propose ways of avoiding such problems and producing successful welds
  • Identify weld defects and avoid them by choosing the proper welding methods and procedure

Target Audience
  • Personnel who deal with welding and welding-related industries
  • Welding engineers
  • Welding inspectors
  • Quality Assurance/Control personnel
  • Fabrication personnel
  • Plant maintenance engineers
  • Welding inspectors and technicians

Corrosion & Metallurgy Outline

The course covers the following topics:

Introduction to welding metallurgy

  • Classification and engineering properties of steel
  • Chemical composition and microstructure of the steel

Structure and metallurgical changes of metals during welding

Weldability of steel and alloys

  • Plain carbon/low carbon steel
  • Stainless steels
  • Nickel alloys
  • Reactive and refractory alloys

Phase equilibrium diagrams and TTT diagrams

  • Carbon steels
  • Low alloy steels
  • Stainless steels
  • Cast iron
  • Aluminum and aluminum alloys

Basic Heat Treatment Processes

  • Change in microstructure
  • Mechanical properties
  • Hardenability versus weldability 

Heat Treatments, Approval testing and testing of welds

Conventional welding processes and materials

  • Welding materials
  • Quality control
  • Evaluation of weldments
  • Welding of aluminum alloys
  • Effects of welding on microstructure and properties of steel
  • Weldability and carbon equivalent

Design and engineering of weldments and implementation of welding processes

Quality assurance, Quality control, and inspection

Equipment for welding inspection

Welding engineering problems and suggested solutions

Welding failure analysis and eliminating welding defects

Health and Safety in Welding and overall workplace safety


Ref Location From To Cost
W01 Kuwait 5-7-2020 9-7-2020
CM06 Kuwait 9-5-2021 13-5-2021