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  1. vipereng

    ASME Cat. D Weld including Repad

    Working out NDE for a new project. Client requires all Cat. D welded to be fully UT inspected. There are several nozzle which require reinforcement pads. The question is.. Is the inner repad reinforcement weld considered part of the Cat. D weld, or is just the nozzle to shell / head pressure...
  2. vipereng

    ASME Sec IX welder qualification

    thanks for the info.. I agree, It's kind of a grey area, nothing specifically states the amount / length of positon is required. I've had the same Authorized inspector for 5 years, in which he has accepted this type of welder qualification coupon. (btw, the Level II RT tech doesn't look at...
  3. vipereng

    ASME Sec IX welder qualification

    I'm currently qualifying welders to welder procedure with the following variables -A-516 70 (P1) (1/2" thk plate) -SMAW (F4) -3 postions (2G / 3G / 4G) I plan on testing the welders on a 12" pc of plate. There will be approx. 3.5 inches of each position. No where in the code can I find how...
  4. vipereng

    A105 Lap joint flange limitations

    I have a question regarding the use of A105 / Aluminum Lap Joint flanges according to B31.3 in the following arrangement. Design Temp: -320 deg F Design Press: 100 PSIG The actual 'stub end' of the connection is Aluminum (B247 6061-T6), the A105 portion is the backing flange that doesn't...
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