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  • Users: irfan202
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  1. irfan202

    Requirement for SS Piping System hydrotest & Line Dry up Procedure

    Dear Please advice me Hydrotest & dryup after hydro test requirement for SS (304, 304L, 316, 316L) piping system. Regards
  2. irfan202

    cleaning procedure

    Dear Friends Please reply I have to clean Stud Bolt for coating. Present Condition, Rusted, Full with with dust, 60% thread is greased. I think i have to go as per following step but need your suggestion. 1. cleaning with wire brush for removing rust & dust. 2. De-greasing by De greasing...
  3. irfan202

    Difference between Stud and machine bolt

    Dear All Please provide me some information about below query 1. Difference between stud & machine bolt? 2. Which one is better for flange size more than 600 NPS to 3500 NPS as per AWWA standard flange class 150. 3. any standard reference for bolt selection for awwa flanges. Regards
  4. irfan202

    Stud Bolt Selection.

    Dear All I have two question regarding material selection for Stud Bolt. 1. Can i select B7 alloy steel stud bolts for SS 316 or SS304 flanges , if it is acceptable how can i justify galvanic corrosion issue due to dissimilar metal contact issue. Any standard reference is highly appreciated...
  5. irfan202

    ASME certification for ASME 31.3

    Any one can tell me about ASME certification in India, KSA, Bhahrain, or any institute , organization providing such facility in above said country.
  6. irfan202

    effect of re welding on stress analysis

    Dear All Did cutting & re welding is effecting stress analysis of steam line ASTM A335 weld P91. if you have any standard reference for cutting & re welding of piping system kindly specify. Regards

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