WELD 1760 Advanced Shielded Metal Arc Welding

This course provides training in Shielded Metal Arc Welding (SMAW) to develop the skills necessary to produce high quality welds on carbon steel. Topics of study include; Safety in the Welding Industry, Electrode Specification and Classification, Multiple Pass Fillet Welds, V-Grooves with Backing and Open V-Groves in all positions. Prerequisite: Completion of WELD 1610, WELD 1710, and WELD 1750. (2 lect., 4 lab)

Credits

4 credits

Major Topics

• Safety and health of welders
• Review of oxyacetylene welding and cutting
• Shielded Metal Arc Welding (SMAW) equipment, setup, current, and voltage settings
• Shielded Metal Arc Welding electrode specification and classification using the American Welding Society’s (AWS) A5.1 Specification for Carbon Steel Electrodes and A5.5 Specification for Low Alloy Steel Electrodes
• Joint design for steel structures
• Introduction to welding procedure qualification and welder qualification
• Non-destructive examination and destructive examination of welds using the American Welding Society (AWS) D1.1 Structure Code Book for reference

Outcomes

In order to successfully complete this course, the student will:

1. Demonstrate safe working habits in the welding lab.

2. Demonstrate the proper setup and breakdown of an oxyacetylene welding station.

3. Weld beads on 3/8" inch thick sheet metal.

4. Select the right size cutting tips for 3/8" inch thick and ½" inch thick carbon steel plate.

5. Execute cuts and bevel 3/8" and ½" inch thick carbon steel plate with the mechanical track torch.

6. Demonstrate the proper procedure to set up a multi process welding machine to perform shielded metal arc welding.

7. Demonstrate direct current electrode positive using an E6010+ (5P+) electrode and an E7018 (Low Hydrogen) electrode.

8. Describe the operating characteristics of an E6010+ (5p+) electrode using AWS specification A5.1.

9. Describe the operating characteristics of an E7018 (Low Hydrogen) electrode using AWS specification A5.5.

10. Weld butt joints, lap joints, and tee joints in all positions (flat, horizontal, vertical, overhead).

11. Evaluate the importance of the American Welding Society (AWS) and the impact it has had on manufacturing worldwide over the last 100 years.

12. Describe nondestructive examination on welded coupons using visual inspection referencing the AWS D1.1 code book for acceptance, rejection criteria.

13. Demonstrate nondestructive examination on welded coupons using Non Destructive Examination hand tools (Fillet Weld Gage, V-WAC Gage, Butt Weld Reinforcement Gage).

14. Describe destructive examination on welded coupons using the bend tester in the welding lab referencing the AWS D1.1 code book for acceptance, rejection criteria.

Other Information

Any information placed here must be adhered to by all instructors:

Recommended text book: Contact the current Welding Instructor for the recommended text. Personal supplies provided by the welding student: 1. Safety glasses that meet American National Standards Institute (ANSI) Z87.1 specification for safety glasses. 2. Welding Helmet with a number 10 shade welding lens. 3. Clear plastic cover lenses to protect the welding lens. 4. Oxyacetylene welding and cutting goggles with a number 5 shade lens. 5. Welding gloves and material handling gloves. 6. Leather welding sleeves or heavy denim work shirts and pants. NO POLYESTER. 7. Leather boots or shoes. NO TENNIS SHOES. 8. Suitable head covering (welding cap). Tools required and provided by the welding student for this course: 1. Metal tool box at least 8 inches by 16 inches. 8 X 16. 2. 10 inch crescent wrench. 3. Channel Lock Pliers or slip joint pliers. 4. Vise grip pliers. 5. 12 inch combination square 6. 10 foot or 25 foot tape measure 7. Soap stone holder with soap stone or a metal marking pencil. 8. Oxyacetylene cutting tip cleaners. 9. Chipping hammer. 10. Nicholson pipe liner file. 11. Wooden handle wire brush.