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  1. cmcclain

    Ceramic Backing Tape

    While performing welds in accordance to AWS D1.1, how is ceramic backing tape categorized? Is it seen as steel backing strip? We have a repair project in which we will be using the ceramic as the backing, and we will be qualifying the welders with a setup as shown in Figure 4.21 (2006...
  2. cmcclain

    Welder Performance Qualification

    Thanks metengr and pipewelder1999 My company would like to do the guided bend testing in house. We have the capability to prepare the specimens and perform the bends. We werent sure if a CWI was required to evaluate the test and make an accept/reject decision. Appreciate all the help.
  3. cmcclain

    Welder Performance Qualification

    The company I work for uses Section IX to qualify welders. We currently X-ray the welded coupons to ensure that the welder can make an acceptable weld. Due to the recent high failure rate and high cost of having the coupons x-rayed we would like to start using guided bend tests to ensure the...

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