Page 166 - CITS - Welder - Trade Practical

WELDER - CITS

EXERCISE 36 : Pipe butt joint on MS pipe ø 50mm

wall thickness 6mm (1G Rolled) position
(SMAW-23)

Objectives

At the end of this exercise you shall be able to
• cut and bevel the pipe as per drawing
• tack weld for butt welding
• make root 2nd and 3rd weaving run by rotation method
• clean the job and inspect for defects.

Job Sequence

• Cut the pipes to the given size
• File pipe ends to be at right angle to the pipe axis.

• Grind the edges to 30 to 35° bevel maintaining 1.5 to 2.9mm root face.
• Remove the burrs and rust from the pipe ends

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CITS : C G & M - Welder - Exercise 35