Welding, Equipment, Joints, Defects: Top 5 Modules Explained

This course provides a comprehensive introduction to the principles of welding, specifically curated for engineers and technical professionals in the piping, fabrication, and construction industries. You’ll dive deep into the basics of welding, various welding classifications, essential equipment, terminology, weld types, and defect identification—equipping you with practical knowledge crucial for fieldwork, inspection, and quality control.

Each of the 5 core sections is packed with simplified explanations, diagrams, and real-world examples, making it an ideal course for both beginners and working professionals looking to refresh their understanding of welding fundamentals in the context of EPC projects and industry standards.

5 Sections Covered in the Course:

What is Welding & Classification of Welding

• Definition and purpose of welding

• Fusion vs. solid-state welding

• Major classifications: Arc welding, Gas welding, Resistance welding, etc.

• Common industrial applications of each type

Typical Welding Equipment & Arc Welding Equipment

• Overview of general welding tools and safety gear

• Arc welding machine components

• Electrode types, current types (AC/DC), and voltage control

• Setup and usage of welding machines on-site

Weld Terminology & Types of Welds

• Key terms used in drawings and documentation (root, toe, throat, face, leg, etc.)

• Butt welds, fillet welds, corner welds, lap welds

• Intermittent and continuous welds

• Welding symbol interpretation

Fillet & Groove Welds

• Design and application of fillet welds

• Design and application of groove welds

• Joint preparations

• Advantages, limitations, and strength comparison

Types of Defects

• Visual and internal welding defects

• Cracks, porosity, undercut, lack of fusion/penetration

• Causes, detection methods (NDT overview), and prevention

• Impact on weld integrity and piping performance