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Recent content by mmmiscs

  1. mmmiscs

    QW-403.5 Group number

    hi there, based on your perusal to QW-403.5 (ASME IX), could someone explain and example for each paragraph below: General comment: this QW-403.5 is implied that the P number will be the same, only assess to Group number. 1st paragraph: "For ferrous materials in Table QW/QB-422, a procedure...
  2. mmmiscs

    hydrostatic pressure test acceptance criteria B31.3

    Anybody could advise a specific for hydrostatic pressure test acceptance criteria under ASME B31.3?
  3. mmmiscs

    Impact test for stainless steel

    hi guys, may i need the help regarding to impact test for stainless steel A182 Gr316, the input is code construction ASME B31.3, design temperature is -90 to 100 degree C. so need i do the impact test for PQR during qualification stage.
  4. mmmiscs

    WPS for ASTM B861 Gr.2

    DekDee, what is mean that? anybody please help...
  5. mmmiscs

    WPS for ASTM B861 Gr.2

    hi guys, i am in trouble to find out the WPS applying ASTM B861 Gr.2 for reference, someone if have this WPS could you please send me, thank beforehand.
  6. mmmiscs

    ASME B31.3 and Impact Testing for welds on A333 Grade 6

    you could refer to this thread hereby is its link http://www.eng-tips.com/viewthread.cfm?qid=400384
  7. mmmiscs

    ASME U stamp

    hi jay, you could hire a AI and he are going to consult you whatever so that U stamp certification could be achieved. Going into ASME 8 the necessary of AI is mandated to certify during the process.
  8. mmmiscs

    Butt Weld Procedure/Performance Qualification-Test Piece Dimensions

    you can ask LAB about this size of the coupon.
  9. mmmiscs

    relaxation of base metal in accordance QW-423.1 ASME IX Welder qualification

    big thank david339933, it's extremely informative.. but you could give me the root core why they can classify the F#, however with the same specification SFA-5.4.
  10. mmmiscs

    relaxation of base metal in accordance QW-423.1 ASME IX Welder qualification

    thank so much david339933, based on the specification and purpose, the both of your example welding rods are for SS, how could i determine what are F4, F5 regarding above?
  11. mmmiscs

    relaxation of base metal in accordance QW-423.1 ASME IX Welder qualification

    thank you david339933 & Deepu1692, be related this toppic i have one interesting case for your clarification as follows: the carbon steel (CS) coupon was substituted for initial stainless steel (SS) coupon during qualified the welder by SS-WPS with EXXX(X)‐15 SMAW (F5), but when refer to Table...
  12. mmmiscs

    Paragraph 323.2.2 (b) ASME B31.3

    thank nickelkid so much, just one clarification more, if minimum design temperature is -30 degree C, obviously the impact test of base metal is required but how about impact requirement of weld metal when i fabricate this pipe? The same question with regarding to #1 about impact requirement of...
  13. mmmiscs

    Paragraph 323.2.2 (b) ASME B31.3

    with the 6 inch NPS SCH 160 (18.26 mm in wall thickness) ASTM A106 Grade B pipe example, to ASME B31.3, following the Paragraph 323.2.2 (b) and then referring to table A-1 this material is curve B, go into Fig. 323.2.2A, please correct for my understand under the as following cases: #1: if the...
  14. mmmiscs

    brazing qualification ASME IX

    gtaw, big thanks if you could confirm with my second post...
  15. mmmiscs

    Weld joint preparation

    Syedt, what code construction have you been using now? then by the code someone could help you. My understand if you are following the ASME 9 the single bevel or double bevel could be prepared for your PQR.
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