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  • Users: teran
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  1. teran

    Impact test requirment of SA334 Gr.6

    Dear All, When tube material is as belows, is this materail required impact test? SA334 Gr.6==> O.D 25.4mm * Thick 2.769mm SA334 Gr.6==> O.D 31.8mm * Thick 2.769mm If required the impact test, Please let me know how to get the sub size of specimen. Thanks,
  2. teran

    A770-though thickness tension test

    Hi All, Background) For set-on nozzles and "T" joints, the following condition shall apply to the material of the Header; -The plates material to be welded with "T" joint shall be meet ASTM A770 S3(with a minimum area reduction of 35%) or EN10164(Quality Class Z35). Marerial ; A516 -70...
  3. teran

    EN10160 for Austenite & austenoferritic(Duplex)

    The EN10160(Ultrasonic Examination), Can be applicable to austenite & austenoferritic(Duplex)?
  4. teran

    Requirement for PWHT of API 661

    Hi. All, API Standard661/ISO 13706:2001 say that as below; 9.2 Postweld heat treatment 9.2.1 All carbon steel and low-alloy steel headers shall be subjected to postweld heat treatment. Welded tube-to-tubesheet joints shall be excluded from postweld heat treatment. Above mean is that any...
  5. teran

    PWHT after repair weld

    Hello, We completed welding fabrication of pressure retain parts for air cooler and also finished PWHT. However, we are find some rejectable defects in the pressure retaining parts after PWHT. Therefore, we would like to repair and complete without PWHT in accordace with ASME Sect.VIII Div.1...
  6. teran

    PWHT IN ACCORDING TO API661

    Hello, We completed welding fabrication of pressure retain parts for air cooler and also finished PWHT. However, we are find some rejectable defects in the pressure retaining parts after PWHT. Therefore, we would like to repair and complete without PWHT in accordace with ASME Sect.VIII Div.1...
  7. teran

    Represent of impact test speciment

    Hi, metengr. Our client request to us additional impact test. But, The mill test report is described as follows, for example) thickness Heat No. Lot No. 25mm A 1 25mm A 2 20mm B 3 30mm B 4 Which one is represent for the...
  8. teran

    Represent of impact test speciment

    Impact test specimen shall be prepared as represent of Heat number or Lot number. Which is represent for impact test specimen? Thanks,
  9. teran

    Appendix28

    Hi. All, Do I have to prepare sample coupon to verify value of "K" whether in range of 0.6 through 1.0 base on following condition? Condition) Plate mill maker tested through thickness test and the result is 0.7(K value) Thank teran

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