Table of Contents 9 Part 6 Resistance Welding Chapter 17 Resistance Welding Equipment and Supplies 483 17.1 Electric Resistance Welding Machines 484 17.2 Transformers 485 17.3 Force Systems 487 17.4 Controllers 490 17.5 Contactors 491 17.6 Resistance Welding Electrodes 492 17.7 Electrode Holder 495 17.8 Spot Welding Machines 496 17.9 Projection Welding Equipment 501 17.10 Seam Welding Machines 503 17.11 Flash and Upset Welding Machines 503 17.12 Special Resistance Welding Machines 505 17.13 Care of Resistance Welding Equipment 507 Chapter 18 Resistance Welding 509 18.1 Principles of Resistance Welding 509 18.2 Resistance Spot Welding (RSW) 510 18.3 Projection Welding (PW) 521 18.4 Resistance Seam Welding (RSEW) 522 18.5 Flash Welding (FW) 524 18.6 Upset Welding (UW) 525 18.7 High-Frequency Resistance Welding 526 18.8 Review of Resistance Welding Safety 526 Part 7 Special Processes Chapter 19 Special Welding Processes 529 19.1 Special Welding Processes 529 19.2 Arc Welding (AW) Processes 530 19.3 Solid-State Welding (SSW) Processes 540 19.4 Other Welding Processes 547 19.5 Review of Safety 556 Chapter 20 Special Ferrous Welding Applications 559 20.1 Ferrous Metals and Alloys 559 20.2 Welding Medium- and High-Carbon Steels 560 20.3 Welding Steel Alloys 561 20.4 Welding Chrome-Molybdenum Steels 564 20.5 Welding Precoated Steels 565 20.6 Welding Maraging Steels 565 20.7 Stainless Steels 565 20.8 Welding Dissimilar Ferrous Metals 570 20.9 Welding Cast Iron 570 Chapter 21 Special Nonferrous Welding Applications 577 21.1 Nonferrous Metals and Alloys 577 21.2 Aluminum 578 21.3 General Guidelines for Welding Aluminum 579 21.4 Welding Magnesium 584 21.5 Welding Copper and Copper Alloys 584 21.6 Titanium 588 21.7 Welding Nickel-Based Alloys 592 21.8 Zirconium 592 21.9 Beryllium 592 21.10 Welding Dissimilar Metals 592 21.11 Plastics 593 Chapter 22 Pipe and Tube Welding 597 22.1 Types of Pipe 597 22.2 Types of Tubing 601 22.3 Preparing Pipe Joints for Welding 603 22.4 SMAW Pipe Joints 608 22.5 GTAW Pipe Joints 611 22.6 GMAW and FCAW Pipe Joints 614 22.7 SMAW Tube Joints 615 22.8 GTAW and GMAW Tube Joints 616 22.9 Heat Treating Pipe and Tube Welded Joints 618 22.10 Inspecting Pipe and Tube Welds 619 22.11 Weld Backing Rings 620 22.12 Welding Plastic Pipe 621 22.13 Review of Safety in Pipe and Tube Welding 621
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