Page 170 - CITS - Welder - Trade Practical

WELDER - CITS

EXERCISE 37 : Dye penetrant test

Objectives

At the end of this exercise you shall be able to
• inspect welded component for surface defect using
• state the penetration test
• identify the defect.

Job Sequence

• Clean the surface of the test piece spray the colored dye on the surface
• Allow the dye to soak for about 2 to 3 minutes wash the surface with cleaner
• Dry the surface using a test cloth
• Spray the liquid developer on the surface
• Observe the colored due coming out in the shape of the defect in to the white liquid developer analyses the
defect

153

CITS : C G & M - Welder - Exercise 36