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  1. Asadullahkhan

    Stress Relieving and Radiographic Testing Requirement on Boiler and Pressure Vessel

    My Questions are: 1) Is stress relieving "necessary" on Boilers and Pressure vessels between thickness (10-20 mm) for Operating Pressure of 10 Bars under new ASME Code? 2) Is Radiography required for above said thicknesses if weld efficiency is reduced to 90% ? Thanks!
  2. Asadullahkhan

    Heat Treatment Requirement after Cold Bending

    Dear All, We have performed Cold Bending on SA213 T11 (P4) Material for Superheater tubes. Dia of Tube is 31.8mm and Thickness in 3mm Now what does the code say about Heat Treatment. Either we should perform heat treatment or not. If yes then please specify reference and what will be...

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