Preheating – How, When and Why
Heating the base metal to a specific desired temperature before welding is called as preheating. The temperature at which the
Read moreHeating the base metal to a specific desired temperature before welding is called as preheating. The temperature at which the
Read moreSubmerged Arc Welding (SAW) is an arc welding process in which arc is generated between a bare electrode and the
Read moreFlux cored arc welding (FCAW) is a welding process that uses the heat produced by an arc generated between a
Read moreHigh frequency sound waves (frequency > 20000 HZ) also known as ultrasonic waves are introduced in a test object through
Read moreSELECTION OF PROBE ANGLE: There are three methods for selecting a probe angle, these are: Based on groove angle:
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