Understanding NRT- Reading 1- 2 of 2- Radiogaphic Testing A
Understanding nrt reading 1- 2 of 2- radiogaphic testing a
Understanding nrt reading 1- 2 of 2- radiogaphic testing a
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Internal or root undercut is an erosion <strong>of</strong> the base metal next to the root <strong>of</strong><br />
the weld. In the radiographic image it appears as a dark irregular line <strong>of</strong>fset<br />
from the centerline <strong>of</strong> the weldment. Undercutting is not as straight edged as<br />
LOP because it does not follow a ground edge.<br />
Charlie Chong/ Fion Zhang
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