896 Modern Welding welding station, 364 welding symbol, 55–67 welding temperature, 73, 464 welding thick metal, 389–390 welding tips, oxyfuel gas welding, 347–349 welding torch, 192, 371–372 welding voltage, 133 welding wire, GMAW/FCAW, 290 weld joint, 45–49 weld nugget, 510 weld pass, 50–51 weld peel, 517 weld root, 47 weld symbol, 57 weld time, 490, 511 weld toe, 48 wet welding, 647, 652–653 whipping motion, 183, 389 whiskers, 295 white cast iron, 725, 766 white heat, 542 wire feeders, GMAW/FCAW, 213–214 work angle, 70, 372 work envelope, 30 working drawing, 38–40 working volume, 676 workpiece, 89 workpiece lead, 99 wrought aluminum, 578 welding with GMAW, 582–584 welding with GTAW, 581–582 X x-ray inspection (XT), 778–779 Y yield point, 783 yield strength, 759, 783 Z zinc, 730 zirconium, 592 properties, 751