The purpose of this welding course is to provide prospective tradesmen with an in-depth view of the theory, principles, methods, and techniques related to modern welding. Welding is a trade that is properly learned only under the supervision of certified teachers. Improper use of tools and equipment can result in injury or death. This online course is not to be regarded as a substitute for a proper apprenticeship.

Furthermore, the publisher makes no representations or warranties of any kind, including but not limited to, the warranties of fitness for particular purpose, nor are any such representation implied with respect to the material set forth herein, and the publisher takes no responsibility with respect to such material. The publisher shall not be liable for any special consequential or exemplary damages resulting, in whole or in part, from the user’s application of, or reliance upon, this material.

Lesson 1 — Properties and Uses of Metal

 Module 1.1 Metal Properties
 Module 1.2 Mechanical Properties
 Module 1.3 Metal Types
 Module 1.4 Metal Identification

 Module 2.1 Heat-Treating Theory
 Module 2.2 Stages of Heat Treatment
 Module 2.3 Heat Colors for Steel
 Module 2.4 Types of Heat Treatment
 Module 2.5 Quenching Media

 Module 3.1 Welding Processes
 Module 3.2 Welding Terminology
 Module 3.3 Welded Joint Design
 Module 3.4 Welding Positions
 Module 3.5 Expansion and Contraction
 Module 3.6 Welding Procedures
 Module 3.7 Drawings
 Module 3.8 Safety

 Module 4.1 Oxygas Cutting Equipment
 Module 4.2 Oxygas Cutting Operations
 Module 4.3 Judging Cutting Quality
 Module 4.4 Safety Precautions

 Module 5.1 Oxygas Welding Equipment
 Module 5.2 Operation and Maintenance of Oxygas Equipment
 Module 5.3 Oxygas Welding Techniques
 Module 5.4 Oxygas Welding of Ferrous Metals
 Module 5.5 Oxygas Welding of Nonferrous Metals
 Module 5.6 Fusion Welding Pipe

 Module 6.1 Soldering
 Module 6.2 Brazing
 Module 6.3 Braze Welding
 Module 6.4 Wearfacing

 Module 7.1 Manual Shielded Metal-Arc Welding
 Module 7.2 Equipment Operation and Maintenance
 Module 7.3 Shielded-Metal Arc Welding
 Module 7.4 Arc Welding Positions
 Module 7.5 Horizontal-Position Welding
 Module 7.6 Vertical-Position Welding
 Module 7.7 Overhead-Position Welding
 Module 7.9 Pipe Welding
 Module 7.10 Wearfacing
 Module 7.11 Carbon-Arc Cutting
 Module 7.12 Welding Quality Control
 Module 7.13 Destructive Testing
 Module 7.14 Safety Regulations

 Module 8.1 Gas Tungsten-ArcWelding--GTAW
 Module 8.2 GTA Welding Equipment and Supplies
 Module 8.3 GTA Welding Preparation
 Module 8.4 GTA Welding Procedures
 Module 8.5 GTA Welding Common Metals
 Module 8.6 Gas Metal-ArcWelding-GMAW
 Module 8.7 GMA Welding Equipment and Supplies
 Module 8.8 Types of GMA Welding
 Module 8.9 GMA Welding Preparation
 Module 8.10 GMA Welding Procedures
 Module 8.11 GMA Welding Common Metals