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  1. prefix

    RAL or BS Paint colour

    We are fabricating a job that requires a paint specification with the finish colour SHELL YELLOW, I assume this to be Shell as in Petroleum Can any one of you experts tell me the RAL or BS number for this yellow
  2. prefix

    Flush groove welds

    WELD PROFILES • AWS D1.1 sec 5.24.4 Groove or Butt Welds, states groove welds shall be made with a minimum face reinforcement …………….. • AWS D1.1 sec 5.24.4.1 Flush Surfaces, states “butt welds required to be flush shall be finished so as to not reduce the thicknesses of...
  3. prefix

    Argon/Co2 Active or not?

    For the clarification of EN 2871-1 welding processes can any one help with the correct definition of AgCo2 gas as active or inert?, we use a mixture of 80/20 for welding
  4. prefix

    ASME IX Welder Qualification Thicknesses?

    I intend to test welders on 1" plate and use the radiographic substitution in place of bend tests (QW 142) My question is what table do I use to calculate the thickness qualified? QW 4521-1 gives me "Maximum to be welded" and QW 452-2 gives me "2t" I'm sure this has been questioned before, have...
  5. prefix

    Clarification of EN 287-1 Welder Testing

    Will any one please help and clarify the Pipe diameter range as shown in Table 5 The part that I am strugling with reads: Material thickness D > 25 = Range of Qualification ? 0.5 x D (25 mm min)
  6. prefix

    AWS D1.1 Welder test. Bends or radiographic examination ?

    I intend to test welders to a WPQR that was approved using a metal core wire (AWS A5.18 E70CGMH4) for the root & a Fluxcore Wire (AWS A5.29 E81T1-Ni1M) for the fill & cap I note that AWS D1.1 allows a substitution of RT for guided bend tests, except for joints welded by GMAW-S Is this...

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