John Lopez
Welding School

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John Lopez Welding School, Schools - Business & Vocational, Bakersfield, CA

2925 Mosasco Street Unit B, Bakersfield, California 93312

    Welding is widely used in construction, manufacturing, and many other industries, making it a critical skill that will always be in demand.
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Pipe Welding - 187.5 hours

Course Description:
Designed to instruct welders in welding safety and the Shielded Metal Arc Welding process (SMAW-Stick) of welding pipe to either meet ASME (vertical-up) or API (vertical-down) welding code.

  • Learn fundamentals of ASME pipe welding, includes: 2G, proper fit-up, joint preparation, tacking, and electrode selection in vertical-up welding
  • Comparative techniques like whip vs. drag root pass are discussed along with testing procedures and grading
  • Review 5G, proper fit-up joint preparation, tacking and electrode selection. Review techniques used in the vertical-up position. Review test procedures. Prepare for final test
  • Discuss 6G and weld troubleshooting, which includes DC– for less burn through, and land vs. gap
  • Explanations of AWS, ASME and API codes
  • Pipe welding joints positioned at a 45 degree angle using vertical-down techniques.

Passing grade at John Lopez Welding School's Basic Plate Course
                   - or -

Successful weld of sample test plate consisting of vertical and overhead welds with E6010 and E7018 electrodes. Will be evaluated by the instructor before being permitted to start the course.

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