Upon completion of the program the student shall:

• Properly set up oxyacetylene welding equipment.
• Observe specific safety precautions when handling oxyacetylene equipment.
• Be able to define penetration and its importance.
• Be able to describe filler rods and their use.
• Compensate for expansion and contraction in butt welding.
• Perform a bend test on a butt weld.
• Perform bend tests on lap welded joints.
• Run beads in the overhead, vertical, and horizontal positions.
• Interpret welding symbpls on blueprints.
• Prepare steel plate for butt welds.
• Pass bend tests and RT on mild steel coupons.

Safety Rules

1. W.H.M.I.S. (Workplace Hazardous Material Information System)
2. C.P.R (Basis mouth-to-mouth resuscitation) and First Aid.
3. Safe work habits.
4. O.H.S.A (Occupational Health and Safety Act)
5. Safety nets, scaffolding, power actualted tools, ladders, hoisting equipment.
6. Hazardous work areas.
7. Protective equipment.

SECTION I: Shop Safety/Practice

1. Care and Safety in the proper use of oxygen.
2. Oxygen cylinder safety.
3. Properties and function in combustion.
4. Proper connections for oxygen cylinders.
5. Testing oxygen cylinders for leaks.

1. Care and safety in the proper use of acetylene.
2. Acetylene cylinder safety.
3. Properties in combustion.
4. Proper connections for acetylene cylinders.
5. Testing acetylene cylinders for leaks.
6. Development of oxygen/acetylene.
7. Care and safety with acetylene cylinders.

1. Mapp gases.
2. Propane gases.
3. safety requirements and precautions.

1. Oxyacetylene process.
2. Calcium carbide and acetylene development.
3. Generator stations for acetylene development.
4. Station outlets.
5. Precautions for the safety and storage of oxyacetylene.

1. Hand and eye protection.
2. Regulator, torches, hoses and connections.
3. Assembly, gas leak checks.
4. Care and maintenance of equiment.

1. Maintenance of the regulators. Single and double stage.
2. Proper hook up of regulators to cylinders.
3. Proper adjustment of regulators.
4. Testing regulators for leaks

1. Proper use of oxyacetylene torch.
2. Mixing chambers and various size tips.
3. Care and selection of torch tips.
4. Cutting attachments.
5. Maintenance and care.
6. Set up equipment
7. Flashbacks/backfire and their causes. Flashback arrestors.
8. Prevention of flashback/backfire.

SECTION II: Oxyacetylene Welding and Cutting Processes

1. Setting up oxyacetylene welding equipment.
2. Lighting the oxyacetylene torch.
3. Running a bead with filler rod, flat position.
4. Butt weld on mild steel sheet metal.
5. Fillet weld on mild steel sheet metal.
6. Lap weld on mild steel sheet metal.
7. Perform welds on stainless steel, cast iron.
8. Perform welds on copper and copper alloys, magnesium, zinc.
9. Perform braze welding on mild steel, cast iron, dissimilar metals.

1. Set torch for proper cutting.
2. Selection of tips, pressure, cutting speed.
3. Proper procedure for cutting holes.
4. Proper procedures for operating automatic cutting torch.
5. Review

1. Run beads on mild steel, horizontal position.
2. Butt weld on mild steel, horizontal position.
3. Butt weld on mild steel, vertical position.
4. lap weld on mild steel, vertical position.

1. Run beads on mild steel, overhead position.
2. Butt weld on mild steel, overhead position.
3. Lap weld on mild steel, overhead position.
4. Braze weld sheet metal.
5. Braze Weld cast iron.
6. Review

SECTION III: Fundamentals of Arc Welding

1. Protective equipment
2. Eye protection
3. Ventilation

1. OHM's Law.
2. Arc blow.
3. Polarity, principles of AC and DC currents.
4. Conductors and insulators.

1. Operating principles.
2. Type of output slopes, transformers, rectifiers.
3. Duty cycle
4. Electrode cables, ground clamps, connectors.
5. Electrode holders.

1. Setting up the arc welding equipment.
2. General arc welding safety.
3. Striking the arc and maintaining the arc.
4. Straight beads, flat position.
5. Weave beads, flat position.
6. Fillet welds, flat position.
7. Butt welds, flat position.
8. Comprehensive review.

1. Stringer beads, horizontal position.
2. Lap welds, horizontal position.
3. Butt welds, horizontal position.
4. Stringer beads, vertical position.
5. Lap welds, vertical position with weave beads.
6. Fillet welds, vertical position.
7. Butt welds, vertical position with weave beads.
8. Comprehensive review.

1. Stringers in the overhead position.
2. pad buildup, overhead position.
3. Weave beads, overhead position.
4. AC welding, overhead position.
5. Fillet welds, overhead position.
6. Butt welds,overhead position.
7. Comprehensive review.

1. Make fillet welds on mild steel plate in the flat and horizontal positions GTAW.
2. Make fillet welds in the flat and horizontal positions. GMAW.
3. Make groove welds in mild plate in the flat position. GMAW.
4. Comprehensive review.

1. Define different types of electrodes.
2. Composition of electrode covering.
3. Function of the coating.
4. Polarity.
5. Control of the arc.
6. Color codes.
7. Storage of electrodes.

1. Electrodes, purpose of wiring and coating.
2. Classification of electrodes.
3. Carbon arc cutting techniques.
4. Electrode size versus plate thickness.
5. Oxygen arc cutting.
6. Review.

(21)Types of joints

1. Butt
2. Lap
3. Corner
4. Edge
5. Tee

1. Groove
2. Fillet
3. Plug/slot
4. Review

1. Bevel
2. Vee Prep
3. Double/single prep
4. "J" groove, "U" groove
5. Applications

1. Bend tests. Free/guided bend tests.
2. Ultrasonic testing.
3. Radiography testing.
4. Dye-penetrant testing.
5. Magnetic particle testing.

1. CWB standard W59M-1989 structural steel.
2. Terminology and purpose.
3. Welder qualification testing: Department of Labour ASME testing.
4. Welder testing: Canadian Welding Bureau.
5. Apprenticeship training.

1. Utilize the various parts of the main reference line.
2. Understand the difference between arrow side and other side.
3. Weld symbols for fillet, butt, grove, bevel, U, J, V welds.
4. Back or backing
5. Supplementary symbols: weld all around, melt thru, contour, finish, dimensions.
6. Review

1. Purpose of shop drawings.
2. Type of equipment.
3. Terminology.
4. Care of prints.
5. Type of lines: center line, border, extension, object lines, hidden lines, break lines, projection lines, leaders.
6. Types of views: orthographic, isometric, oblique, pictoral
7. Review

1. Method of dimensioning.
2. Angular dimensioning.
3. Dimension of holes.
4. Countersunk holes.
5. Tolerances.
6. Dimensions of center and base lines, datum lines.
7. Dimensioning of structural shapes.
8. Review

1. Heat affected zone in welding.
2. Differences in carbon steels.
3. Grain structures, BBC, FCC.
4. Expansion, contraction.
5. Strength of materials.
6. Weldability of different grades of steel.
7. Tensile strength, ductility, stress/strain curves.
8. Elasticity of metals.
9. Toughness versus hardness.
10. Brittleness/malleability, machinability.

1. Low grade.
2. Medium grade.
3. High grade.

(31) Introduction to Trade Mathematics

1. Metric/Imperial conversion.
2. Micrometers, inside and outside calibers.
3. Measuring devices, tape measures, transits.
4. Take measurements from drawings using datum lines.
5. Review of fractions and basic mathematics.

SECTION VI: Weld Faults and Causes

(32) Dimensional Defects

1. Overlap.
2. Excessive reinforcement.
3. Poor joint preparation.
4. Incorrect weld size.
5. Incorrect weld profile.
6. Excessive concavity.

1. Spatter
2. Porosity, lack of fusion, cracks, incomplete penetration.
3. Undercut: internal, external.
4. Surface porosity, craters, stray arcs, poor finish.

1. Mechanical
2. Chemical

Author:	Raymond J. Sacks
Publisher:	Bennett and MacKnight Publishing Co.
	809 West Detweiller Drive
	Peoria, Illinois, 61615
	ISBN 0-02-666167-3

Blueprint Reading for Welders

Author:	A. E. Bennett
Publisher:	Delmar Publishing Inc.
	2 Computer Drive West
	Box 15-015
	Albany, New York, 12212

The Metals Handbook

Author:	Ronald G. Garby
Publisher:	I.P.T. Industrial Publishing Inc.
	Edmonton, Alberta

Basic TIG and MIG Welding

Author:	Ivan H. Griffin
Publisher:	Delmar Publishing Incorporated

Linde Union Carbide Text
Specialty Gases and Related Products

1. Pure Gases
2. Gas Mixures