Weld penetration testing instructions


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Basic Welding --





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Nondestructivie Weld Examination
The ultrasonic unit contains a crystal of quartz or other piezoelectric material encapsulated in a transducer or probe. A magnetic powder dusted onto the surface will cling to the leakage area more tenaciously than elsewhere, forming an indication of the discontinuity. For example, both radiography and ultrasound have distinct orientation factors that may guide the choice of which process to use for a particular job. I have included two videos that will help explain a little better.






Nondestructive Weld Examination




Description: As I told you on my first posting, penetration is not measured as "percentage", It's classified as "lack of", "good" and "excessive". We mostly weld stainless steel. Many standards require its use before other methods, because there is no point in submitting an obviously bad weld to sophisticated inspection techniques. Crucio 3 years ago. The type and nature of the load will dictate the size of the members required.
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Date: 14.03.2019
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