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SECTION TEN - PIPE WELDING
Welding Safety p 386-389 Polarity Check p 404
Hazardous Environment Tips p 386 Welding Electrodes p 404-408
Safe Clothing p 386 Mild Steel Electrodes p 404-406
Welding Lenses p 387,388 Stainless Steel Electrodes p 407,408
Arc Flash p 388 Gas Tungsten Arc Welding p 408-411
Welding Ventilation p 389 GTAW (Tig) Machines p 409
Fire Prevention p 389 GTAW (Tig) Torches & Electrodes p 409,410
Oxy-Acetylene Safety p 390-393 GTAW (Tig) Procedures p 411
Oxygen & Cylinders p 390,391 Pipe or Tube Purging p 412
Acetylene & Cylinders p 391,392 Preheat For Welding p 412-414
Oxy-Acetylene Safe Set-Up p 393 Pipe Preparation & Alignment p 414-416
Lighting a Cutting Torch p 394 Joint Assembly Methods p 417,418
Shutting Down the Equipment p 394 Backing Rings p 417,418
Balancing a Welding Torch p 395 Joint Assembly Tacking p 419,420
Types of Flames p 396 Tee to Pipe Fit-Up p 420
Cutting Torch Tip Alignment p 396 Pipe Alignment With Two Squares p 421
Welding Symbols p 397-400 Pipe to 90 Degree Elbow p 421,422
Groove & Fillet Weld Positions p 401 90/45 Degree Elbow Fit-up p 422,423
Pipe Test Coupons p 402 Pipe to Flange Fit-up p 423,424
Pipe Coupon Root Pass Variables p 403 Small Diameter Pipe Jig p 424