January, 2019 | welding & NDT

Heating the base metal to a specific desired temperature before welding is called as preheating. The temperature at which the

(SAW) Submerged Arc Welding

Submerged Arc Welding (SAW) is an arc welding process in which arc is generated between a bare electrode and the

Flux cored arc welding (FCAW) is a welding process that uses the heat produced by an arc generated between a

High frequency sound waves (frequency > 20000 HZ) also known as ultrasonic waves are introduced in a test object through

SELECTION OF PROBE ANGLE: There are three methods for selecting a probe angle, these are: Based on groove angle: