WEL 255 - Welding Inspection

Credits: 4
Lecture Hours: 2
Lab Hours: 4
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech

Students will become familiar with welding codes and to interpret them. Identification of proper codes and use will be examined. This course focuses on welding procedures per code and how welding procedures and welders are qualified. Students will understand and perform destructive and non-destructive testing of welded joints.
Corequisite: Completion of Weldin program/diploma or Instructor Approval.
Competencies

Identify the various types of welding qualifications and the steps in qualification work.
1. Discuss the purpose of welding procedures.
2. Explain the purpose of welding qualification.
Interpret welding procedure specifications.
1. Paraphrase welding procedure specifications.
2. Write a prequalified WPS.
3. Write a WPQR.
Explain the purpose of a Procedure Qualification Record.
1. Identify when it’s necessary to use a Procedure Qualification Record.
2. Name procedure variables required per welding process.
Summarize the purpose for destructive testing.
1. Identify types of destructive testing, type of equipment used, and when they are used.
2. Compare and contrast discontinuities and defects.
Perform a fillet break test.
1. Explore the basic principles of a fillet break test.
2. Identify when a fillet break test is required.
Perform a guided bend test.
1. Determine the basic principles of a guided bend test.
2. Explain which bend test is required.
Perform an etch test.
1. Identify the basic principles of an etch test.
2. Explain safety requirements for different types of etchant materials.
Distinguish the principles of different types of nondestructive testing.
1. Describe the purpose for nondestructive testing.
2. Identify the symbols used to indicate the method of inspection.
Perform a visual inspection.
1. Explain the basic principles of visual inspection.
2. Use different types of gauges used in visual inspection.
Perform a dye penetrant test.
1. Name the basic principles of penetrant test.
2. Describe the different types of a PT test.
Perform a magnetic particle test.
1. List the basic principles of a magnetic particle test.
2. Describe the different types of a magnetic particle test.
Perform an ultrasonic test.
1. Identify the basic principles of ultrasonic testing.
2. Practice a calibration with ultrasonic equipment.
Assess discontinuities and defects on radiographic film.
1. Paraphrase the basic principles of radiographic testing.
2. Explain the safety requirements used when testing.