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TC 9-237

Training Circular No. 9-237

HEADQUARTERS DEPARTMENT OF THE ARMY Washington, DC, 7 May 1993

Table of Contents

REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS

LIST OF ILLUSTRATIONS

LIST OF TABLES

WARNINGS

CHAPTER 1 - INTRODUCTION

Section I - General

Section II - Theory

CHAPTER 2 - SAFETY PRECAUTIONS IN WELDING OPERATIONS

Section I - General Safety Precautions

Section II - Safety Precautions in Oxyfuel Welding

Section III - Safety in Arc Welding and Cutting

Section IV - Safety Precautions for Gas Shielded Arc Welding

Section V - Safety Precautions for Welding and Cutting Containers That Have Held Combustibles

Section VI - Safety Precautions for Welding and Cutting Polyurethane Foam Filled Assemblies

CHAPTER 3 - PRINT READING AND WELDING SYMBOLS

Section I - Print Reading

Section II - Weld and Welding Symbols

CHAPTER 4 - JOINT DESIGN AND PREPARATION OF METALS

CHAPTER 5 - WELDING AND CUTTING EQUIPMENT

Section I - Oxyacetylene Welding Equipment

Section II - Oxyacetylene Cutting Equipment

Section III - Arc Welding Equipment and Accessories

Section IV - Resistance Welding Equipment

Section V - Thermit Welding Equipment

Section VI - Forge Welding Tools and Equipment

CHAPTER 6 - WELDING TECHNIQUES

Section I - Description

Section II - Nomenclature of the Weld

Section III - Types of Welds and Welded Joints

Section IV - Welding Positions

Section V - Expansion and Contraction in Welding Operations

Section VI - Welding Problems and Solutions

CHAPTER 7 - METALS IDENTIFICATION

Section I - Characteristics

Section II - Standard Metal Designations

Section III - General Description and Weldability of Ferrous Metals

Section IV - General Description and Weldability of Nonferrous Metals

CHAPTER 8 - ELECTRODES AND FILLER METALS

Section I - Types of Electrodes

Section II - Other Filler Metals

CHAPTER 9 - MAINTENANCE WELDING OPERATIONS FOR MILITARY EQUIPMENT

CHAPTER 10 - ARC WELDING AND CUTTING PROCESSES

Section I - General

Section II - Arc Processes

Section III - Related Processes

CHAPTER 11 - OXYGEN FUEL GAS WELDING PROCEDURES

Section I - Welding Processes and Techniques

Section II - Welding and Brazing Ferrous Metals

Section III - Related Processes

Section IV - Welding, Brazing, and Soldering Nonferrous Metals

CHAPTER 12 - SPECIAL APPLICATIONS

Section I - Underwater Cutting and Welding with the Electric Arc

Section II - Underwater Cutting with Oxyfuel

Section III - Metallizing

Section IV - Flame Cutting Steel and Cast Iron

Section V - Flame Treating Metal

Section VI - Cutting and Hard Surfacing with the Electric Arc

Section VII - Armor Plate Welding and Cutting

Section VIII - Pipe Welding

Section IX - Welding Cast Iron, Cast Steel, Carbon Steel, and Forgings

Section X - Forge Welding

Section XI - Heat Treatment of Steel

Section XII - Other Welding Processes

CHAPTER 13 - DESTRUCTIVE AND NONDESTRUCTIVE TESTING

Section I - Performance Testing

Section II - Visual Inspection and Corrections

Section III - Physical Testing

APPENDIX A - REFERENCES

APPENDIX B - PROCEDURE GUIDES FOR WELDING

APPENDIX C - TROUBLESHOOTING PROCEDURES

APPENDIX D - MATERIALS USED FOR BRAZING, WELDING, SOLDERING, CUTTING, AND METALLIZING

APPENDIX E - MISCELLANEOUS DATA

GLOSSARY

BLANK FORMS

AUTHORIZATION LETTER