7/25/2019 Lesson 1 - Basics of Arc Welding 3

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COPYRIGHT 1998 THE ESAB GROUP, INC.

Section Nr. Section Title Page

TABLE OF CONTENTS

LESSON I - Con't.

1.6.5 Reduction of Area ............................................................................. 11

1.6.6 Charpy Impacts ................................................................................. 11

1.6.7 Fatigue Strength ............................................................................... 12

1.6.8 Creep Strength.................................................................................. 13

1.6.9 Oxidation Resistance ........................................................................ 13

1.6.10 Hardness Test................................................................................... 13

1.6.11 Coefficient of Expansion ................................................................... 14

1.6.12 Thermal Conductivity ........................................................................ 14

1.7 Effects of Alloying Elements .......................................................... 14

1.7.1 Carbon .............................................................................................. 14

1.7.2 Sulphur ............................................................................................. 14

1.7.3 Manganese ....................................................................................... 15

1.7.4 Chromium ......................................................................................... 15

1.7.5 Nickel ................................................................................................ 15

1.7.6 Molybdenum ..................................................................................... 15

1.7.7 Silicon ............................................................................................... 15

1.7.8 Phosphorus....................................................................................... 15

1.7.9 Aluminum .......................................................................................... 15

1.7.10 Copper .............................................................................................. 15

1.7.11 Columbium........................................................................................ 16

1.7.12 Tungsten ........................................................................................... 16

1.7.13 Vanadium .......................................................................................... 16

1.7.14 Nitrogen ............................................................................................ 16

1.7.15 Alloying Elements summary ............................................................. 16

PARTB. ELECTRICITY FOR WELDING

Section Nr. Section Title Page

1.8 Electricity for Welding....................................................................... 171.8.1 Principles of Electricity ...................................................................... 17

1.8.2 Ohms Law ........................................................................................ 18

1.8.3 Electrical Power ................................................................................ 19

1.8.4 Power Generation ............................................................................. 20

Lesson 1

The Basics of Arc

Welding

Lesson 2

Common Electric

Arc Welding

Processes

Lesson 3

Covered Electrodes

for Welding

Mild Steels

Go To Test

Lesson 4

Covered Electrodes

for Welding Low

Alloy Steels

Print

Lesson 5

Welding Filler Metals

for Stainless Steels

Glossary

Lesson 6Carbon & Low Alloy

Steel Filler Metals -

GMAW,GTAW,SAW

Lesson 7

Flux Cored Arc

Electrodes Carbon

Low Alloy Steels

Lesson 8

Hardsurfacing

Electrodes

Lesson 9

Estimating &

Comparing Weld

Metal Costs

Lesson 10

Reliability of Welding

Filler Metals

Current

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Contents

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