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2019-2020
Course Outlines
Career and Technical
Welding

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Welding

Active as of Fall Semester 2010

Fall Semester 2016

General Information
Transfer & Articulation
Course Purpose
Learning Outcomes
Topical Outline
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I. General Information

1. Course Title:
GTAW Gas Tungsten Arc Welding

2. Course Prefix & Number:
WELD 1115

3. Course Credits and Contact Hours:

Credits: 4

Lecture Hours: 1

Lab Hours: 6

4. Course Description:

This course covers all gas tungsten arc processes as applied to different types of metals and joints in the classroom and practiced in the lab.

5. Placement Tests Required:

6. Prerequisite Courses:

WELD 1115 - GTAW Gas Tungsten Arc Welding

All Credit(s) from the following...

Course Code	Course Title	Credits
WELD 1100	Intro to Welding	2 cr.

Filter table:

9. Co-requisite Courses:

WELD 1115 - GTAW Gas Tungsten Arc Welding

There are no corequisites for this course.

II. Transfer and Articulation

III. Course Purpose

Program-Applicable Courses – This course is required for the following program(s):

Name of Program(s)	Program Type
Welding	AAS
Welding	Diploma

IV. Learning Outcomes

1. College-Wide Outcomes

College-Wide Outcomes/Competencies	Students will be able to:
Analyze and follow a sequence of operations	Students will identify key steps and components utilized in welding with the gas tungsten arc process.
Apply abstract ideas to concrete situations	Develop the ability to determine proper tungsten type, tungsten size, polarity, and filler material for the base metal.
Utilize appropriate technology	Determine appropriate situation to apply square wave, pulse, and balance control settings to specific welds.

2. Course Specific Outcomes - Students will be able to achieve the following measurable goals upon completion of the course:

Expected Outcome	MnTC Goal Area
Understand the processes of GTAW.
Develop necessary hand eye coordination to properly apply filler metal in the weld puddle.
Apply proper equipment settings and programs to weld on specific base metals.

V. Topical Outline

Listed below are major areas of content typically covered in this course.

1. Lecture Sessions

I. Describe safety and health of welders

A. Define alternating currents high frequency arch

B. Define gas tungsten arc welding torches air and water

C. Define shielding gases

II. Define type of electrode

A. Define types of filler rods

B. Describe equipment adjustments

C. Describe GTAW using pulsed current

III. Describe joint preparation

A. Describe start up procedures

B. Describe shutdown procedures

C. Describe the effects of equipment adjustment on the welding arc

D. Describe the welding characteristics of carbon steel

E. Describe the welding characteristics of aluminum

F. Describe the welding characteristics of stainless steel

IV. Equipment Set up

A. Explain a flow meter

B. Explain the GTAW preliminary set-up steps

C. Explain the effects of various polarity ac, dc+, dc-

D. Explain welding procedures for basic joints

E. Identify the proper cup orifice and tungsten diameter

2. Laboratory/Studio Sessions

I. Perform welds on mild steel.

A. Weld stringer beads flat position without filler metal, mild steel

B. Weld stringer beads in the flat position with filler on mild steel

C. Weld square groove butt joint in the flat position with filler, mild steel

D. Weld corner joint flat position with filler, mild steel

E. Weld corner joint flat position without filler mild steel

F. Weld lap joint flat position without filler mild steel

G. Weld lap joint flat position with filler mild steel

H.Weld tee joint in the horizontal position with filler mild steel

I. Weld tee joint flat position with filler mild steel

J. Weld lap joint vertical up position with filler mild steel

K. Weld tee joint vertical position up with filler mild steel

L.Weld square groove butt joint overhead position with filler mild steel

M. Weld square groove guided bend test mild steel

II. Perform welds on aluminum

A. Weld stringer beads flat position with filler aluminum

B. Weld square groove butt joint flat position with filler aluminum

C. Weld lap joint horizontal with filler aluminum

D. Weld comer joint flat position with filler aluminum

E. Weld tee joint horizontal position with filler aluminum

F. Weld tee joint vertical up with filler aluminum

G. Weld heavy 2F tee plate aluminum

III. Perform welds on stainless steel

A. Weld stringer beads flat position with filler stainless steel

B. Weld butt joint with filler stainless steel

C. Weld lap joint horizontal position with filler, stainless steel

D. Weld corner joint flat position without filler stainless steel

E. Weld square groove butt joint without filler stainless steel with pulsation

F. Weld corner joint flat position with filler stainless steel

G. Weld tee joint horizontal position with filler stainless steel

H. Weld tee joint vertical up with filler stainless steel

I. Weld square groove butt joint without filler with pulsation, stainless steel

I. General Information

1. Course Title:
GTAW Gas Tungsten Arc Welding

2. Course Prefix & Number:
WELD 1115

3. Course Credits and Contact Hours:

Credits: 4

Lecture Hours: 1

Lab Hours: 6

4. Course Description:

This course covers all gas tungsten arc processes as applied to different types of metals and joints in the classroom and practiced in the lab.

5. Placement Tests Required:

6. Prerequisite Courses:

WELD 1115 - GTAW Gas Tungsten Arc Welding

All Credit(s) from the following...

Course Code	Course Title	Credits
WELD 1100	Intro to Welding	2 cr.

Filter table:

9. Co-requisite Courses:

WELD 1115 - GTAW Gas Tungsten Arc Welding

There are no corequisites for this course.

II. Transfer and Articulation

III. Course Purpose

1. Program-Applicable Courses – This course is required for the following program(s):

Name of Program(s)	Program Type
Welding	AAS
Welding	Diploma

IV. Learning Outcomes

1. College-Wide Outcomes

College-Wide Outcomes/Competencies	Students will be able to:
Analyze and follow a sequence of operations	Students will identify key steps and components utilized in welding with the gas tungsten arc process.
Apply abstract ideas to concrete situations	Develop the ability to determine proper tungsten type, tungsten size, polarity, and filler material for the base metal.
Utilize appropriate technology	Determine appropriate situation to apply square wave, pulse, and balance control settings to specific welds.

2. Course Specific Outcomes - Students will be able to achieve the following measurable goals upon completion of the course:

Expected Outcome	MnTC Goal Area
Understand the processes of GTAW.
Develop necessary hand eye coordination to properly apply filler metal in the weld puddle.
Apply proper equipment settings and programs to weld on specific base metals.

V. Topical Outline

Listed below are major areas of content typically covered in this course.

1. Lecture Sessions

I. Describe safety and health of welders

A. Define alternating currents high frequency arch

B. Define gas tungsten arc welding torches air and water

C. Define shielding gases

II. Define type of electrode

A. Define types of filler rods

B. Describe equipment adjustments

C. Describe GTAW using pulsed current

III. Describe joint preparation

A. Describe start up procedures

B. Describe shutdown procedures

C. Describe the effects of equipment adjustment on the welding arc

D. Describe the welding characteristics of carbon steel

E. Describe the welding characteristics of aluminum

F. Describe the welding characteristics of stainless steel

IV. Equipment Set up

A. Explain a flow meter

B. Explain the GTAW preliminary set-up steps

C. Explain the effects of various polarity ac, dc+, dc-

D. Explain welding procedures for basic joints

E. Identify the proper cup orifice and tungsten diameter

2. Laboratory/Studio Sessions

I. Perform welds on mild steel.

A. Weld stringer beads flat position without filler metal, mild steel

B. Weld stringer beads in the flat position with filler on mild steel

C. Weld square groove butt joint in the flat position with filler, mild steel

D. Weld corner joint flat position with filler, mild steel

E. Weld corner joint flat position without filler mild steel

F. Weld lap joint flat position without filler mild steel

G. Weld lap joint flat position with filler mild steel

H.Weld tee joint in the horizontal position with filler mild steel

I. Weld tee joint flat position with filler mild steel

J. Weld lap joint vertical up position with filler mild steel

K. Weld tee joint vertical position up with filler mild steel

L.Weld square groove butt joint overhead position with filler mild steel

M. Weld square groove guided bend test mild steel

II. Perform welds on aluminum

A. Weld stringer beads flat position with filler aluminum

B. Weld square groove butt joint flat position with filler aluminum

C. Weld lap joint horizontal with filler aluminum

D. Weld comer joint flat position with filler aluminum

E. Weld tee joint horizontal position with filler aluminum

F. Weld tee joint vertical up with filler aluminum

G. Weld heavy 2F tee plate aluminum

III. Perform welds on stainless steel

A. Weld stringer beads flat position with filler stainless steel

B. Weld butt joint with filler stainless steel

C. Weld lap joint horizontal position with filler, stainless steel

D. Weld corner joint flat position without filler stainless steel

E. Weld square groove butt joint without filler stainless steel with pulsation

F. Weld corner joint flat position with filler stainless steel

G. Weld tee joint horizontal position with filler stainless steel

H. Weld tee joint vertical up with filler stainless steel

I. Weld square groove butt joint without filler with pulsation, stainless steel