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  • Users: QC12
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  1. QC12

    PMI

    It is a client requirment that we verify all alloy field welds with PMI to be performed by a third party.Our subcontract performing the PMI has asked for required values for Cr and Mo.The joint is a v - groove sch.80 welded with GTAW/SMAW process so the SMAW cap is the only part being tested. I...
  2. QC12

    PMI

    We will be varifying weld deposit.I know the requirments for P91 are Cr 8.00 to 9.50 % / Mo .85 to 1.05. With half of the joint being P22 I wonder if there will be dilution that will lower the values?
  3. QC12

    PMI

    We have a joint consisting of dissimilar materials being welded together.The material's are SA335 P91 to SA335 P22.The joint is welded with E 9015 B9 electrode What would be the chemical requirments criteria be for PMI on this joint? Thanks QC12

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