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Industrial Welding Course
More than 2 million students worldwide

Industrial Welding Course

Master every major industrial welding process — from SMAW and GMAW to GTAW and FCAW — and build the hands-on skills employers demand. This course covers safety, metallurgy, equipment setup, weld inspection, and industry codes in one complete programme. Whether you're entering the trade or advancing your career, this is the training that gets you certified and job-ready.

Dedika for businesses

What you will learn:

You'll learn how to safely set up and operate welding equipment across all major processes, including shielded metal arc, gas metal arc, gas tungsten arc, and flux-cored arc welding. The course covers welding metallurgy so you understand how heat affects metal and how to prevent cracking and distortion. You'll study weld inspection methods, industry codes, and how to read welding symbols and fabrication drawings. Equipment calibration, shielding gas selection, and filler metal matching are covered in practical detail. You'll also get a clear path to welder qualification testing and industry certification.

How you study in practice Industrial Welding Course

How you practise Industrial Welding Course

For companies looking to train their team

With Dedika for businesses, the course includes exercises and examples tailored to your own business and the specific needs of your company.

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Course content

8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Welding Safety and Workplace Fundamentals

  • Lesson 1 • Personal Protective Equipment Selection

    Teaches correct PPE selection and fit for welding tasks. Connects hazard types to specific protective gear choices.

  • Lesson 2 • Fire Prevention and Emergency Response

    Covers hot-work permits, fire watch procedures, and emergency action plans. Prepares students to prevent incidents and respond effectively when they occur.

  • Lesson 3 • Hazard Identification in Welding Environments

    Covers electrical, thermal, fume, and radiation hazards specific to welding. Builds the risk-awareness foundation required for all subsequent hands-on work.

  • Lesson 4 • Regulatory Compliance and Documentation

    Introduces safety data sheets, inspection records, and industry safety regulations. Students learn to maintain compliant documentation for professional welding operations.

  • Lesson 5 • Ventilation and Fume Control

    Explains local exhaust ventilation, general airflow, and fume extraction systems. Ensures students can configure safe air quality in any welding workspace.

Chapter 2See details

Welding Metallurgy and Material Science

  • Lesson 1 • Preheat, Interpass, and Post-Weld Heat Treatment

    Teaches temperature control strategies that prevent cracking and restore material properties. Students apply heat treatment concepts to practical welding procedures.

  • Lesson 2 • Metal Properties and Classification

    Covers ferrous and non-ferrous metal families, mechanical properties, and industry classification systems. Provides the material knowledge base for all process chapters.

  • Lesson 3 • Weldability Assessment of Common Metals

    Evaluates weldability of carbon steel, stainless steel, aluminium, and cast iron. Students match material characteristics to appropriate welding processes.

  • Lesson 4 • Heat Effects on Base Metal

    Explains heat-affected zones, grain growth, and phase transformations during welding. Students understand why controlled welding heat input is critical to weld quality.

  • Lesson 5 • Weld Microstructure and Solidification

    Examines weld pool solidification, columnar grain structure, and segregation. Connects microstructure to mechanical performance of completed welds.

Chapter 3See details

Welding Equipment and Setup

  • Lesson 1 • Machine Calibration and Parameter Setting

    Guides students through setting voltage, amperage, wire speed, and welding polarity. Establishes the parameter-setting discipline needed before every weld.

  • Lesson 2 • Electrode and Filler Metal Selection

    Covers electrode classification systems, storage requirements, and matching filler to base metal. Students select correct consumables for each welding application.

  • Lesson 3 • Power Source Types and Characteristics

    Covers transformer, rectifier, inverter, and engine-driven power sources. Students match power source output characteristics to process requirements.

  • Lesson 4 • Workstation Assembly and Cable Layout

    Teaches proper torch, ground clamp, and cable routing for safe, efficient operation. Reduces arc blow and voltage drop through correct setup practices.

  • Lesson 5 • Shielding Gas Systems

    Explains cylinder handling, regulator setup, and gas mixture selection. Connects shielding gas choice to arc stability and weld quality outcomes.

Chapter 4See details

Shielded Metal Arc Welding Fundamentals

  • Lesson 1 • SMAW Process Principles

    Explains arc physics, electrode coating functions, and slag formation in SMAW. Provides the theoretical basis for all hands-on SMAW practice.

  • Lesson 2 • Vertical and Overhead Position Welding

    Addresses gravity effects on the weld pool in 3F, 4F, and overhead positions. Students adapt electrode angle and welding travel speed to control molten metal.

  • Lesson 3 • Flat and Horizontal Position Welding

    Develops bead-on-plate, fillet, and groove welds in 1F and 2F positions. Builds foundational technique before progressing to out-of-position welding.

  • Lesson 4 • Electrode Striking and Arc Control

    Teaches scratch and tap strike methods, arc length control, and welding travel speed. Students develop consistent arc initiation and maintenance skills.

  • Lesson 5 • SMAW Defect Recognition and Correction

    Identifies porosity, weld undercut, weld overlap, and incomplete fusion in SMAW welds. Students diagnose root causes and apply corrective parameter adjustments.

Chapter 5See details

Gas Metal Arc Welding Techniques

  • Lesson 1 • Wire Feed and Gun Technique

    Covers contact tip-to-work distance, gun angle, and travel direction. Consistent gun technique is the primary driver of GMAW bead quality.

  • Lesson 2 • GMAW Troubleshooting and Quality Control

    Diagnoses wire feed problems, porosity, weld spatter, and weld burn-through in GMAW. Students apply systematic troubleshooting to restore weld quality quickly.

  • Lesson 3 • GMAW Process Modes and Transfer Types

    Explains short-circuit, globular, spray, and pulse transfer mechanisms. Students select the correct transfer mode for each material and position.

  • Lesson 4 • Shielding Gas Selection for GMAW

    Compares argon, CO2, and mixed gas blends for steel, stainless, and aluminium. Students match gas selection to transfer mode and base metal.

  • Lesson 5 • GMAW on Aluminium and Stainless Steel

    Addresses oxide layer removal, push technique, and spool gun use for aluminium. Covers heat management and sensitisation prevention for stainless steel.

Chapter 6See details

Gas Tungsten Arc Welding Precision Techniques

  • Lesson 1 • Filler Rod Addition and Torch Coordination

    Develops two-handed coordination of torch movement and filler rod dipping. Consistent filler addition rate controls bead width, reinforcement, and fusion.

  • Lesson 2 • GTAW Pipe and Tube Welding

    Covers open-root pipe joints, purge gas setup, and positional technique for pipe. Students complete full-penetration pipe welds meeting industry quality standards.

  • Lesson 3 • GTAW on Aluminium with AC Current

    Explains AC cleaning action, balance control, and balled tungsten geometry for aluminium. Students weld aluminium sheet and plate with proper fusion and appearance.

  • Lesson 4 • GTAW Equipment and Tungsten Preparation

    Covers torch types, collet bodies, gas lenses, and tungsten grinding geometry. Proper tungsten preparation directly determines arc stability and bead profile.

  • Lesson 5 • Arc Starting and Foot Pedal Control

    Teaches high-frequency start, lift-arc start, and foot pedal amperage modulation. Smooth pedal control is the defining skill that separates GTAW quality levels.

Chapter 7See details

Flux-Cored and Submerged Arc Welding

  • Lesson 1 • Submerged Arc Welding Principles

    Explains flux blanket shielding, wire electrode feeding, and high-deposition SAW mechanics. Students understand why SAW is preferred for thick, flat-position structural work.

  • Lesson 2 • FCAW Parameter Optimisation

    Guides voltage, wire feed speed, and stick-out adjustment for FCAW. Optimised parameters reduce weld spatter and achieve required mechanical properties.

  • Lesson 3 • FCAW Process Variants and Wire Types

    Distinguishes self-shielded and gas-shielded FCAW and their wire classifications. Students select the correct FCAW variant for field versus shop applications.

  • Lesson 4 • SAW Setup and Operation

    Covers flux hopper loading, lathe carriage alignment, and parameter setting for SAW. Students run straight-seam welds on heavy plate with consistent weld penetration.

  • Lesson 5 • Defect Control in High-Deposition Processes

    Addresses hot cracking, porosity, and slag entrapment in FCAW and SAW welds. Students apply corrective actions to maintain structural weld integrity.

Chapter 8See details

Weld Quality, Inspection, and Codes

  • Lesson 1 • Destructive Testing and Mechanical Evaluation

    Covers bend, tensile, macro-etch, and hardness tests used to qualify welds. Students interpret test results against code acceptance criteria.

  • Lesson 2 • Welding Procedure Specifications

    Explains WPS, PQR, and welder qualification record structure and purpose. Students read and apply a WPS to ensure every weld meets procedural requirements.

  • Lesson 3 • Industry Codes and Acceptance Standards

    Surveys structural, pressure vessel, and pipeline welding code frameworks. Students apply code acceptance criteria to accept or reject completed welds.

  • Lesson 4 • Visual Inspection Techniques and Tools

    Covers weld gauges, magnification, and lighting for systematic visual examination. Visual inspection is the first and most cost-effective quality gate for all welds.

  • Lesson 5 • Non-Destructive Examination Methods

    Introduces PT, MT, UT, and RT methods and their applicable discontinuity types. Students select the appropriate NDE method for each weld and material combination.

Certification

Your valid completion certificate

This course is for you:

  • Entry-level job seekers: eager to break into a skilled trade quickly.

  • Construction workers: ready to add a high-demand certification to their resume.

  • Military veterans: translating hands-on mechanical experience into civilian trade careers.

  • Fabrication shop helpers: wanting to move from assisting welders to doing the work.

  • Career changers: leaving low-wage jobs for a stable, well-paying industrial trade.

  • Vocational students: supplementing classroom training with structured process-level depth.

What our students say

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