Developing Hard Facing Overlay weld procedure Chromium Carbide (CCO). Weld Rod is ARCTEC 661T. As-per ASME Sec IX Table QW-453 Note 3. Liquid Penetrant (PT) of the overlay surface is required. As we all know Stress relief cracking (CCO) hard facing weld overlay is expected with ARCTEC 661 T. I have seen in other WPS, & PQR, the requirement for PT is waved due to the above. Can any one advise on the best way to address this issue. I am based in Alberta & have to submit to ABSA for approval.
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