Chabot College
Fall 2005
Removed Fall 2010
Course Outline for Welding Technology 69B
ADVANCED PIPE WELDING**
Catalog Description:
69B - Advanced Pipe Welding
(May be repeated 3 times)
3 units
Theory and practical application of pipe joint preparation and design; API (American Petroleum
Institute) and AWS (American Welding Society) welding codes specifications for pipe and pipe fittings;
geometric curve design for branched join of piping systems; wire and electrodes selections; advanced
welding blue print and pipe welding symbols; SMAW, GMAW, and GTAW of pipe joints; metallurgical
transformation of weld Heat Affected Area (HAA); welding discontinuities and defects; destructive and
non-destructive testing; and methods of inspection and testing. Prerequisite: Welding Technology
69A or equivalent. 1 hour lecture, 6 hours laboratory.
[Typical contact hours: lecture 17.5, laboratory 105]
Prerequisite Skills:
Upon entering the course, the student should be able to:
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identify and understand the API and AWS codes specification;
convert the blueprint concepts in practical welding application;
properly joint, fit up and align pipe welding joins;
manually cut pipe joints using plasma, oxy-fuel and gouging equipment in accordance with
manufacturing standards;
weld pipes to code specification with proper techniques in rotated flat (1G) and. horizontal (2G)
position using SMAW, GMAW, and GTAW processes;
identify welding pipe discontinuities and defects;
perform destructive and non-destructive welding test evaluations;
perform solidification performance tests in 1G and 2G using one of the three welding processes
mentioned above.
Expected Outcomes for Students:
Upon completion of the course, the student should be able to:
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identify and understand the API and AWS codes specifications;
convert the blueprint concepts in practical welding applications;
properly joint, fit up and alien pipe welding joins;
manually perform plasma and flame cuts and gouging of pipe joints as specified by manufacturing
standards;
weld pipe to code specification with proper techniques in non-rotated 5G and 6G position using
SMAW, GMAW, and GTAW processes;
identify, understand and repair welding pipe discontinuities and defects;
perform non-destructive and destructive welding test evaluations;
perform solidification performance tests in 5G and 6G using one of the three welding processes
mentioned above.
Course Content:
1. Design, layout and execution of joints templates for branched pipe systems
2. Selection of equipment and materials
3. Welding metallurgy and heat treating methods
Chabot College
Course outline for Welding Technology 69B, Page 2
Fall 2005
4. API and AWS codes and welding inspection (welding procedures and welder qualification)
5. Pipe welding techniques
6. Dimensional and metallurgical weld related discontinuities and defects
7. Isometric pipe system drawings and pipe run calculations
8. Advanced blueprint reading of pipe systems
9. Advanced welding techniques of piping systems
10. Equipment and shop maintenance
Methods of Presentation:
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Lectures
Videos
Demonstrations
Field trips
Assignments and Methods of Evaluating Student Progress:
1. Typical Assignments
a. Perform pipe weld test in 6G position
b. Discuss specific weld defects and discontinuities
c. Demonstrate proper repair method of weld defects
2. Methods of Evaluating Student Progress
a. Class participation
b. Performance of laboratory task list of assignments and projects
c. Homework assignments
d. Quizzes
e. Midterm exam
f. Final exam
Textbook(s) (Typical):
1. Pipe Welding Procedures, H. Rampaul, 2003, second edition
2. Pipe Trades Pocket Manual, Thomas Frankland, 2003, sixth edition
Special Student Materials:
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Welding protective clothing
Welding gloves
Welding goggles
Welding helmet
Welding safety glasses
Welding jacket
Welding boots
Pure Tungsten
2% Thorium oxide Tungsten
DR/jc
03Sep04
WT69B course outline