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WLAT 300 - Welding Apprenticeship Level 3

This course is the last of the three levels of the apprenticeship program. This eight week course focuses on additional welding techniques as well as inspection procedures, codes, and standards in welding. It is important that all apprentices have a minimum of 3000 work-based hours recorded with the Industry Training Authority (ITA) prior to entering Level 3 technical training. Apprentices who complete Level 3 are eligible to write their Interprovincial Red Seal exam on their last day of training. The ITA will award a Welder Certificate of Qualification with Red Seal Endorsement upon successful completion of Level 1, Level 2 and Level 3 technical training hours, the Welder Interprovincial Red Seal Exam and 4500 work-based training hours.

 

Hours: 240 (Lecture:40; Shop/Teaching Kitchen:200)

 

Total Weeks: 8

 

Prerequisites:
None

 

Non-Course Prerequisites:
None

 

Co-requisites:
None

 

Course Content:
Required:
WELD 207 P7 SMWA II
WELD 210 P10 GTAW I
WELD 214 RK4 Welding Quality Control and Inspection Procedures
WELD 215 RK5 Welding Codes, Standards, and Specifications
WELD 216 RK6 Blueprint Reading II
WELD 217 RK7 Welding Metallurgy II
Plus ONE of the following to be completed in either Level 3 or Level 4:
WELD 208 P8 GMAW II
WELD 209 P9 FCAW II

 

Learning Outcomes:
Learners will be able to:
Shielded Metal Arc Welding (SMAW II)
Shielded Metal Arc Weld Groove Welds on Mild Steel Plate
- review the safety requirements and main factors of SMAW
- weld groove welds in the flat (1G) position on mild steel plate
- weld groove welds in the horizontal (2G) position on mild steel plate
- weld groove welds in the vertical (3G) position on mild steel plate
- weld groove welds in the overhead (4G) position on mild steel plate
Shielded Metal Arc Weld Groove Welds on Mild Steel Pipe
- weld groove welds in the flat rolled (1G) position on mild steel pipe
- weld groove welds in the vertical fixed (2G) position on mild steel pipe
- weld groove welds in the horizontal fixed (5G) position (uphill) on mild steel pipe
- weld groove welds in the inclined fixed 45° (6G) position (uphill) on mild steel pipe
- weld groove welds in the horizontal fixed (5G) position (downhill)
Gas Tungsten Arc Welding (GTAW II)
Describe the Gas Tungsten Arc Welding Process and Its Applications
- describe the GTAW process and its applications
- identify safety requirements for GTAW
Identify and Assemble Gas Tungsten Arc Welding Equipment
- describe GTAW power sources and their operations
- identify shielding gases used in GTAW
- describe GTAW torches and their components
- identify electrodes used for GTAW
- assemble gas tungsten arc welding equipment
Gas Tungsten Arc Weld Fillet Welds Using Mild Steel Filler Rod on Mild Steel Plate
- describe GTAW processes and procedures on mild steel
- identify the main factors of GTAW
- strike an arc using two methods
- weld stringer beads in the flat position
- weld fillet welds in the flat (1F) position on corner joints on mild steel sheet
- weld fillet welds in the horizontal (2F) position on lap and tee joints on mild steel plate
- weld fillet welds in the vertical (3F) position (uphill) on lap and tee joints on mild steel sheet
Gas Tungsten Arc Weld Groove Welds Using Mild Steel Filler Rod on Mild Steel Plate
- weld groove welds in the flat (1G) position on mild steel plate
- weld groove welds in the horizontal (2G) position on mild steel plate
- weld groove welds in the vertical (3G) position (uphill) on mild steel plate
Gas Tungsten Arc Weld Fillet Welds Using Stainless Steel Filler Rod on Stainless Steel Sheet
- describe GTAW process and procedures on stainless steel
- weld stringer beads in the flat position
- weld fillet welds in the horizontal (2F) position on tee joints on stainless steel sheet
Gas Tungsten Arc Weld Groove Welds Using Mild Steel Filler Rod on Stainless Steel Sheet
- weld groove welds in the flat (1G) position on stainless steel sheet
- weld groove welds in the horizontal (2G) position on stainless steel sheet
Gas Tungsten Arc Weld Fillet Welds Using Aluminum Filler Rod on Stainless Steel Sheet
- describe GTAW process and procedures on aluminum
- weld stringer beads in the flat position on aluminum sheet
- weld fillet welds in the flat (1F) position on tee joints on aluminum sheet
- weld fillet welds in the horizontal (2F) position on tee and corner joints on aluminum sheet
- weld fillet welds in the vertical (3F) position (uphill) on tee joints on aluminum sheet
Gas Tungsten Arc Weld Groove Welds Using Aluminum Filler Rod on Aluminum Plate
- weld groove welds in the flat (1G) position on aluminum sheet
- weld groove welds in the horizontal (2G) position on aluminum sheet
- weld groove welds in the vertical (3G) position (uphill) on aluminum sheet
Welding Quality Control and Inspection Procedures
Identify Types and Uses of Destructive Testing Methods
- describe methods of destructive testing
Identify the Types and Uses of Non-destructive Testing Methods
- describe non-destructive testing and visual inspection
- describe radiographic tests
- describe magnetic particle, ultrasonic, eddy current, and dye penetrant testing
- describe hydrostatic, light oil, acoustic, emission, and vacuum box tests
- describe hardness testing
- identify non-destructive testing symbols
Welding Codes, Standards, and Specifications
Describe the Scope of Welding Codes, Standards, and Specifications
- describe the scope of welding codes, standards, and specifications
- describe materials and electrode classification systems
- describe welding procedures qualification tests
- describe welder performance qualification tests
Blueprint Reading II
Read and Interpret Piping Drawings
- identify pipe and pipe fittings and their symbols
- identify valves, their symbols, and specifications
- interpret basic piping drawings
Perform Basic Pipe Layout
- describe basic pipe layout
- lay out, assemble, and weld a two-piece 45° elbow
- lay out, assemble, and weld a two-piece 90° tee connection
Welding Metallurgy II
Describe the Grain Structure of Metals
- describe the microstructure of metals
- identify changes in grain structure that result from welding
Identify the Effects of Alloy Content and Heat Treatments on the Weldability of Steel
- identify alloy steels and their weldability
- describe the heat treatment of steel
Identify Aluminum, Aluminum Alloys, and Their Weldability
- identify aluminum, aluminum alloys, and their designations
- identify the effects of alloy content on the weldability of aluminum
- identify heat treatments for aluminum and its alloys
Choice of:
1) Gas Metal Arc Welding (GMAW II)
Review Safety Requirements and Welding Variables for Gas Metal Arc Welding
Review safety requirements and welding variables for gas metal arc welding
Gas Metal Arc Weld Fillet Welds on Aluminum Plate
- identify GMAW process and procedures for aluminum
- assemble equipment for GMAW aluminum
- weld stringer beads in the flat position
- weld fillet welds in the flat (1F) position on lap and tee joints
- weld fillet welds in the horizontal (2F) position on lap and tee joints
- weld fillet welds in the vertical (3F) position (uphill) on lap and tee joints
- weld fillet weld in the overhead (4F) position on tee joints
Gas Metal Arc Weld Groove Welds on Aluminum Plate
- weld groove welds in the flat (1G) position
- weld groove welds in the horizontal (2G) position on aluminum plate
- weld groove welds in the vertical (3G) position (uphill)
- weld groove welds in the overhead (4G) position
- perform face and root bend test
Gas Metal Arc Weld Groove Welds on Mild Steel Plate
- weld groove welds in the flat (1G) position
- weld groove welds in the horizontal (2G) position
- weld groove welds in the vertical (3G) position
- weld groove welds in the overhead (4G) position
- perform face and root bend tests
Gas Metal Arc Weld Groove Welds on Mild Steel Pipe
- weld groove welds in the vertical fixed (2G) position
- weld groove welds in the horizontal fixed (5G) position (downhill)
- perform face and root bend tests on pipe
OR 2) Flux Cored Arc Welding (FCAW II)
Review Safety Requirements and Welding Variables for Flux Cored Arc Welding
- review safety requirements and welding variables for flux cored arc welding
Hardsurface Mild Steel Plate in the Flat Position
- describe hardsurfacing procedures
- build up and hardsurface in the flat position
- build up and hardsurface in the horizontal position
Flux Cored Arc Weld Fillet Welds on Mild Steel Plate
- weld fillet welds in the vertical (3F) position using self-shielding wire
- weld fillet welds in the overhead (4F) position using self-shielding wire
Flux Cored Arc Weld Groove Welds on Mild Steel Plate
- weld groove welds in the vertical (3G) position (uphill) using gas-shielding wire
- weld groove welds in the overhead (4G) position using gas-shielding wire

 

Grading System: Percentage

 

Passing Grade: 70%

 

Percentage of Individual Work:100

 

Textbooks: 
Textbooks are subject to change. Please contact the bookstore at your local campus for current book lists.

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