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  1. chitessy

    WELDING HEAT INPUTS IN ANSYS MECHANICAL APDL

    Greetings All, I am very new in Ansys and I need to use it for my School project work. I am working on the prediction of inner wall temperature of pipe during in-service welding using Mechanical APDL 2D Steady State thermal analysis. My problem is this, my welding heat energy input is in...
  2. chitessy

    13Cr WELDABLE MARTENSITIC STEEL

    Thanks pradipgoswami for the document.
  3. chitessy

    13Cr WELDABLE MARTENSITIC STEEL

    ironic metallurgist (Materials) Just like you suggested, we were able to get advice for the welding consumables. EdStainless (Materials) For this procedure, impact toughness test is not required. Thanks All
  4. chitessy

    13Cr WELDABLE MARTENSITIC STEEL

    Good-day All, Thanks to all for all your inputs. The material in question is SEAMLESS STAINLESS STEEL LINE PIPE 13%CR-2.5%MO. We will have to put up a pWPS, and carry out the procedure qualification process to see what happens. Thanks to all Chitessy
  5. chitessy

    13Cr WELDABLE MARTENSITIC STEEL

    Goodday Everyone, Please, any one that have been involved in the welding of a gas line of pipe material: 13Cr weldable martensitic steel. I will sincerely appreciate your advice and if possible any draft pWPS that could be of help and guide. I have had suggestive inputs from senior colleagues...
  6. chitessy

    API 1104 PQR ISSUES

    SectionIX (Petroleum), Many thanks for the clarification.
  7. chitessy

    API 1104 PQR ISSUES

    Dear All API 1104, Section 5.4.2.2 I have a PQR qualified with API 1104 FOR 18'' X 12.7MM X60 API 5L PIPE. P-No. 1 and G-No. 2 and welding process is SMAW Can I formulate a WPS from this PQR for 24'' X 15.8MM X65 SCH80, API 5L PIPE. P-No 1 and G-No. 2 and the welding process is SMAW...
  8. chitessy

    WELDING A CUT OUT FLANGE

    Thanks All for your responds, I sincerely appreciate. Chitessy
  9. chitessy

    WELDING A CUT OUT FLANGE

    All, Please I will like to know if there is any code or specs on how many times you can cut out a flange and re-weld that same flange. We have a 24'' X 900#. In modifying a pipe spool, we cut out the flange and we want to re-use it. is there a limit to the number of times we can re-weld a cut...
  10. chitessy

    POST WELD HEAT TREATMENT

    Thanks All, I have qualified a welding procedure with ISO 13847 and another procedure with ASME B31.3 together with ASME SECTION IX. I qualified the procedure, supervise all the test coupon welding, NDT and mechanical test, PQR and finally produce the final WPS which are being use for the...
  11. chitessy

    POST WELD HEAT TREATMENT

    Is a Gas line and the material is API 5L Grade B 18" X 12.7MM
  12. chitessy

    POST WELD HEAT TREATMENT

    Hi All, Am writing a propose welding procedure specification for a 18" X 12.7 MM pipeline of about 1 kilometer in length using API 1104. I will need advice if post-weld heat treatment is necessary. Thanks All Chitessy
  13. chitessy

    MECHANICAL TEST FOR WPS USING ASME B31.3

    DekDee, Thanks so much. I was able to get ASME IX and everything I needed is just right there just as you said. I sincerely appreciate your help. Once again, thanks so much. Regards Chitessy
  14. chitessy

    MECHANICAL TEST FOR WPS USING ASME B31.3

    Hi All, I am qualifying a welding procedure for both 10" and 24" pipe using ASME 31.3. This is the code the company recommend. Please can any one assist me on the position to cut the weldment for the Tensile, Impact, Hardness, macro, side bend and all weld metal test from according to B31.3...
  15. chitessy

    PIPELINE MAINTENANCE

    Thanks All, All responds is appreciated. All suggestions tends towards the same thing that I know. I wanted to know other people's view to be sure am not missing things up because at times different company uses different abbreviation. Once again, Thanks Chitessy
  16. chitessy

    PIPELINE MAINTENANCE

    Hi All, The following is a job description in a pipeline maintenance work requirement. ''Prepares excavation plans in co-ordination with C & I for COMPANY Preventive Maintenance Programmes developed from IPS results.'' Please can anybody help me with explanation for the following in the above...
  17. chitessy

    BIDIRECTIONAL PIG TRAP

    Thanks all for the advice, am almost done with my design work. I sincerely appreciate all your inputs Thanks All Chitessy
  18. chitessy

    BIDIRECTIONAL PIG TRAP

    Hi All, I have a challenge in designing a Bidrectional pig trap. Designing a pig launcher only or pig receiver only is not a problem. But for a pig trap to serve as a launcher and the same time as a receiver( bidirectional) is a big challenge, considering position of the kicker line, length of...
  19. chitessy

    PIPING INSPECTOR CERTIFICATION

    Thanks eyec, APPROVED is actually different from CERTIFIED. Will I be right to say, to be approve by aramco, you must have been involved in any of their projects? Or how can one become APPROVED
  20. chitessy

    PIPING INSPECTOR CERTIFICATION

    Hi All, Is there anything like ARAMCO PIPING INSPECTOR CERTIFIED PERSONNEL. What I know is API 570 for piping inspector but I see people online saying they are Aramco Certified Piping inspector and some piping jobs requesting that the personnel should be Aramco piping inspector certified...

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