Welding, 3rd edition

David J Hoffman
David Hoffman
Kevin R Dahle
David Fisher

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For courses in welding and related topics.

An easy-to-read, highly visual “diameter of electrodes” approach to welding

Welding provides engaging, reference-friendly coverage of the theory, safety issues and key skills of welding. Its emphasis on the diameter of electrodes, the preferred method across schools and home shop settings, distinguishes the text from others of its kind. Drawing on 50 years' combined experience, the authors provide setups for every important weld, along with step-by-step photos and procedures for each step.

With concise, cleanly designed chapters, the 3rd Edition adds new media features, including 30 animations and 60 video presentations. It also has a new chapter: Advanced Gas Metal Arc Welding.

Hallmark features of this title

Efficient, practical presentation

Each major welding process is presented in its own chapter for ease of navigation and class discussion.
Thorough chapters on metals and welding metallurgy and on welding alloys eliminate the need for separate metallurgy texts.

Engaging guidance

Step-by-step procedures break down the entire process of weld setups and techniques.
EXPANDED: 3D artwork, vibrant colors and exclusive photographs make the subject matter more compelling. This edition has 42 new pieces of artwork.

Learning aids

Reference charts and tables provide quick, easy access to critical information, such as welding parameters, shielding gases and electrode comparisons.
End-of-chapter questions and assignments provide study review and comprehension checks.

New and updated features of this title

New media and interactive options

NEW: About 30 animations have been exclusively created for the 3rd Edition. These instructive videos depict skills and key concepts in a way not possible with photographs or traditional video.
NEW: About 60 traditional video presentations, recorded by the authors, support readers' understanding of welding skills and concepts.
NEW: A step-by-step on how to cut, test and evaluate fillet and groove welds has been added to the Weld Testing chapter (Ch. 16).

Alignment with current safety standards and trends

NEW: A new chapter has been added: Advanced Gas Metal Arc Welding (Ch. 8). This chapter focuses on Pulse Spray Transfer. It also addresses Advanced Waveform-Controlled Technology, especially newer short circuit innovations. Current welding innovations have also been added.
UPDATED: The Safety in Welding chapter now reflects newer safety standards. This includes OSHA's modified Hazard Communication Standard (2012), which conforms to the United Nations' Globally Harmonized System of Classification and Labeling of Chemicals (GHS).
EXPANDED: Additional welding techniques were added to Chapters 3 to 6. These chapters have also been edited so the type and flow of information, as well as tables used, mirror one another.

PART 1: INTRODUCTORY MATERIALS

Welding Jobs and Employment Skills
Safety in Welding

PART 2: COMMONLY USED WELDING PROCESSES

Shielded Metal Arc Welding
Gas Metal Arc Welding
Flux Cored Arc Welding
Gas Tungsten Arc Welding
Pipe Welding
Advanced Gas Metal Arc Welding

PART 3: OTHER WELDING AND RELATED PROCESSES

Other Welding Processes
Cutting Processes

PART 4: METALS AND ALLOYS

Metals and Welding Metallurgy
Welding Ferrous Alloys
Welding Nonferrous Alloys

PART 5: WELDING RELATED CONCENTRATIONS

Welding Symbols
Welding Codes
Weld Testing
Power Sources

PART 6: SUPPLEMENTARY INFORMATION

APPENDICES

Troubleshooting
Conversion
Properties
Pipes and Beams
Load Strength
Welding Formulas and Costs
Periodic Table

Glossary

About our authors

David Hoffman is an accomplished welder with thousands of hours of hands-on experience. He has been teaching welding and fabrication for over 25 years. Dave assisted with the development of an Associate Degree program in Automated Manufacturing at Fox Valley Technical College and developed an Associate Degree program for Welding Technology. He also received a state grant to redevelop the Metal Fabrication/Welding Diploma program, for which he wrote program requirements, competencies and the complete curriculum.

After completing development of the Associate Degrees in Welding Technology, Dave tested and passed the requirements to become an AWS CWI and CWE. Shortly after, he got involved with AWS and was on the B5E Committee, helping to write the B5.5: 2000, Specification for the Qualification of Welding Educators. Most of the welder certifications in that standard were already certified; however, some were not. Dave welded GMAW-S vertical up and overhead plates to certify the welding procedure used in the standard.

A past winner of the prestigious Lincoln Award, Dave holds a BS in Industrial Education and an MS in Technical Education from the University of Wisconsin - Stout. He also holds (and wrote) a patent on a product he designed and built in his home shop and, since retiring from teaching, occasionally works as a weld consultant for training and testing in industry.

Kevin Dahle has 20 years of experience teaching as a welding instructor at the Associate Degree and Vocational Diploma levels. In addition, he has taught welding apprentices, as well as related welding courses for transportation technology students and agriculture students. Kevin has been involved in training for industry and responsible for overseeing welder and procedure qualifications as an AWS Certified Welding Inspector.

Kevin's educational background includes an AS in Industrial Welding Technology, a BS in Vocational, Technical and Adult Education, and an MA in English. His occupational experience in welding consists of production welding, repair welding, structural welding and quality control: writing and overseeing quality programs for structural welding and boiler repair.

David Fisher has five years of experience teaching as a welding/metal fabrication instructor at the Associate Degree and Vocational Diploma levels. In addition, he has taught welding apprentices, as well as related welding courses for transportation technology students and agriculture students. David has been involved in training for industry and responsible for overseeing welder and procedure qualifications as an AWS Certified Welding Inspector.

Prior to his academic career, David worked for Miller Electric Manufacturing Company. He was initially hired to build new inverter welders and eventually joined the service department, where he conducted repair, maintenance and operation of welding power sources and accessories for customers. As an application technician for Tig Industrial Products, David provided information and advice to customers, welding distributors and salesmen regarding the GTAW and SMAW processes.

David holds an AS Degree in Electrical Engineering Technology and is currently working on his BS in Mechanical Engineering.

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