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![]() 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
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