Chapter 8. WELDING

TM 750-245-4

CHAPTER 8

WELDING

Section I. INTRODUCTION

as arc, gas, resistance, brazing, thermit, forge,

8-1. General

induction, and flow welding. Of these, the first five are

This chapter describes welding and the inspection of

most commonly known industrially. Some new methods

metal and their alloys after the welding operation. A

such as ultrasonic and percussion are still being

weld is defined as a fusing of two metals by heating to

researched. Rockets and missiles usually employ, but

suitable temperatures with or without the application of

are not limited to, arc and gas welding. Most of the

pressure of filler metal. This filler metal either has a

metals and alloys used in Army materiel can be welded

melting point approximately the same as the base metal

by one or more of the processes described in figure 8-1.

or below it, but above 800 degrees Fahrenheit. There

are many types of welding processes which are known

Figure 8-1. Master chart of welding processes.

8-1