xiii Brief Contents Section 1 Introduction to Welding 1 Careers in Welding ........................................ 3 2 Safety in the Welding Shop ......................... 19 3 Welding and Cutting Processes .................. 35 4 The Physics of Welding ............................... 47 5 Math for Welding ......................................... 59 6 Math Applications for Welders..................... 75 7 Weld Joints and Positions ........................... 91 8 Welding Symbols .......................................107 Section 2 Shielded Metal Arc Welding 9 SMAW: Equipment and Supplies .............. 127 10 SMAW: Equipment Assembly and Adjustment ......................................... 143 11 SMAW: Electrodes .................................... 153 12 SMAW: Flat Welding Position .................... 167 13 SMAW: Horizontal, Vertical, and Overhead Welding Positions ..................................... 185 14 Surfacing ................................................... 197 Section 3 Gas Metal and Flux Cored Arc Welding 15 GMAW and FCAW: Equipment and Supplies ............................................. 209 16 GMAW and FCAW: Equipment Assembly and Adjustment ......................................... 229 17 GMAW and FCAW: Flat Welding Position ..................................................... 247 18 GMAW and FCAW: Horizontal, Vertical, and Overhead Welding Positions .............. 263 Section 4 Gas Tungsten Arc Welding 19 GTAW: Equipment and Supplies ............... 277 20 GTAW: Equipment Assembly and Adjustment ......................................... 291 21 GTAW: Flat Welding Position ..................... 305 22 GTAW: Horizontal, Vertical, and Overhead Welding Positions ..................................... 323 Section 5 Plasma Arc Cutting 23 Plasma Arc Cutting ................................... 335 Section 6 Oxyfuel Gas Processes 24 Oxyfuel Gas Cutting and Welding: Equipment and Supplies ........................... 351 25 Oxyfuel Gas Cutting and Welding: Equipment Assembly and Adjustment ...... 377 26 Oxyfuel Gas Cutting .................................. 393 27 Oxyfuel Gas Welding: Flat Welding Position ....................................... 407 28 Oxyfuel Gas Welding: Horizontal, Vertical, and Overhead Welding Positions .............. 427 29 Brazing and Braze Welding ...................... 447 30 Soldering .................................................. 465 Section 7 Resistance Welding 31 Resistance Welding: Equipment and Supplies ............................................. 479 32 Resistance Welding: Procedures .............. 491 Section 8 Welding in Industry 33 Pipe and Tube Welding ............................. 503 34 Robotics in Welding .................................. 523 35 Special Welding and Cutting Processes ... 537 36 Inspecting and Testing Welds ................... 553 37 Welder Certification .................................. 573