Foundational Welding: Techniques, Equipment, and Safety — PickAClass
⏱ 3h 4m 📚 30 lessons 🎧 Audio version

Foundational Welding: Techniques, Equipment, and Safety

Master the essentials of steel welding, equipment setup, and safety protocols to confidently start projects in workshops or small industries.

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About this course

Welding is a critical skill across countless industries, from custom metal fabrication and automotive repair to manufacturing and construction. Understanding the foundational principles of metal fusion, equipment operation, and safety is the first step to becoming a competent welder. This text-based course guides you through the fundamental concepts of welding, helping you understand how to select the right tools, prepare materials, and execute clean, strong welds. You will gain the confidence to work with steel and other metals safely in small workshops or industrial settings. What you'll learn: - Understand the core principles of welding metallurgy and how different metals react to heat - Identify and configure essential welding equipment, accessories, and power sources - Master safety protocols, including proper personal protective equipment, ventilation, and workspace setup - Learn the fundamentals of common welding processes like Shielded Metal Arc Welding (Stick) and Gas Metal Arc Welding (MIG) - Apply techniques for preparing joints, executing basic welds, and cutting metal pieces - Troubleshoot common weld defects and learn how to inspect your work for structural integrity The course begins with essential safety standards and basic metallurgy before moving into detailed written explanations of equipment setup, joint preparation, and step-by-step welding techniques. You will progress from foundational theory to practical guidelines for real-world projects. This course is designed for absolute beginners, DIY enthusiasts, and aspiring tradespeople with no prior welding experience. Start your journey into the world of metalworking and build a solid foundation in welding today.

Course contents

6 modules · 30 lessons · 3h 4m

1 Safety and Work Environment
Establish the foundations for safe and protected work in the workshop.
5 lessons · 33 min
  1. Welcome to the World of Welding
    Introduction to the course and the importance of welding in modern industry.
    5 min
  2. Personal Protective Equipment (PPE)
    A complete guide to choosing helmets, gloves, jackets, and eye protection.
    8 min
  3. Ventilation and Welding Fumes
    How to manage toxic gases and fumes to protect the respiratory system.
    6 min
  4. Workspace Setup
    Organizing the workbench and surrounding space for maximum safety.
    7 min
  5. Fire Prevention and Electrical Risks
    Managing sparks and ensuring safe grounding of the machine.
    7 min
2 Metallurgy for Welders
Understand how materials react to extreme heat.
5 lessons · 31 min
  1. Introduction to Welding Metallurgy
    Basic concepts of metal structure and fusion.
    6 min
  2. Metal Reaction to Heat
    Understanding the Heat-Affected Zone (HAZ) and its properties.
    7 min
  3. Working with Steel
    Properties of mild steel, the most common material for beginners.
    6 min
  4. Other Metals and Alloys
    An overview of aluminum and stainless steel and their challenges.
    6 min
  5. Thermal Expansion and Distortion
    How to prevent metal warping during welding.
    6 min
3 Equipment and Tools
Identify and correctly set up machines and accessories.
5 lessons · 29 min
  1. Power Sources and Currents
    The difference between AC/DC and how they affect the electric arc.
    6 min
  2. Essential Accessories
    Ground clamps, electrode holders, torches, and chipping hammers.
    6 min
  3. Machine Setup
    Connecting cables and setting initial parameters.
    7 min
  4. Measuring and Marking Tools
    Using squares, calipers, and soapstone to layout the work.
    5 min
  5. Equipment Maintenance
    Cleaning nozzles and caring for cables for long-term durability.
    5 min
4 Welding Processes: SMAW and MIG
Master the two most common welding techniques.
6 lessons · 38 min
  1. Fundamentals of Shielded Metal Arc Welding (SMAW)
    How the arc works when protected by the electrode coating.
    6 min
  2. Choosing the Right Electrode
    Interpreting electrode codes (e.g., E6013, E7018).
    6 min
  3. Step-by-Step SMAW Technique
    Striking the arc and maintaining the correct distance.
    7 min
  4. Fundamentals of Metal Inert Gas (MIG) Welding
    Advantages of continuous wire welding with shielding gas.
    6 min
  5. Shielding Gas and Spools
    Choosing between Argon/CO2 mixtures and setting the gas flow.
    6 min
  6. Step-by-Step MIG Technique
    Work angles and wire feed speed.
    7 min
5 Preparation and Execution
Prepare the metal and perform the actual welding.
5 lessons · 30 min
  1. Cleaning the Base Metal
    Removing rust, paint, and oil to prevent contamination.
    5 min
  2. Common Joint Types
    Butt, lap, T, and corner joints.
    6 min
  3. Beveling and Edge Preparation
    Creating the necessary space for weld penetration.
    6 min
  4. Executing a Weld Bead
    Torch movements (linear, zig-zag, circles).
    7 min
  5. Metal Cutting Techniques
    Using angle grinders and metal saws.
    6 min
6 Inspection and Troubleshooting
Evaluate work quality and correct errors.
4 lessons · 23 min
  1. Visual Inspection
    Distinguishing a good weld from an aesthetically poor one.
    5 min
  2. Common Defects: Porosity and Inclusions
    Causes and remedies for air bubbles and trapped slag.
    6 min
  3. Lack of Fusion and Excessive Spatter
    Adjusting parameters to avoid structural errors.
    6 min
  4. Structural Integrity Testing
    Simple destructive and non-destructive tests to verify strength.
    6 min
Final project

Final Project: Creating a Structural T-Joint

Students must cut two pieces of mild steel, prepare the edges by beveling, set up the machine (SMAW or MIG), and join the pieces with a clean, penetrating weld bead.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • ⚡ Short & focused
    3h 4m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
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Name Surname
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Foundational Welding: Techniques, Equipment, and Safety
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Foundational Welding: Techniques, Equipment, and Safety
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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