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  1. rocket686

    AWS D1.1 Prequalified Welding Joints

    I will be joining two pieces of A500 Gr B rectangular tubing using FCAW per AWS D1.1. They will joined outside wall to outside wall making the joint a "Flare V Groove". Am I correct when describing this joint configuration as a "Flare V Groove"? Does AWS D1.1 recognize a...
  2. rocket686

    How many PQR's would be required

    I apologize for not being more thorough in my original question. 1. Welding will be done to ASME Sec. 9 . 2. Material thickness ranges from 3/16" to 1" 3. Charpy vee notch impact testing to -20 deg. C. @ 15 ft/lbs (27 joules)is required for all materials. 4. I would prefer using...
  3. rocket686

    How many PQR's would be required

    I am going to be welding a tank using three different types of material. Each of the three types will be welded to itself and each of these three types will be welded to the other two types. In all there will be six different combinations of material when welding.The three material types are...

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