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  1. WE17

    DNV-OS-F101 clause 303 yield strength Rt 05additional 80mpa

    thread725-380347 Dear Friend, I have material API 5L X65 (450 mpa) welding to Buckle arrestor (480 mpa) welding wihout ECA (strain less than 0.4). so for all weld metal acceptance criteria Rt 0.5 should be 450 or 530 ? DNV-OS-F101 2013 appendix C clause 303 said 'Rt 0.5 Should be instead off...
  2. WE17

    FCAW Shelf Shielded+TKY

    Dear All, I need to run Qualification FCAW Shielf Shielded for TKY joint.material API 5L X 65. No impact required for this project we have a doubt to run the qualification, like how to make a root ? I am thinking I will make combination SMAW+FCAW or GMAW + FCAW but AWS d1.1 this is gray area...
  3. WE17

    Imact testing at -50 Deg. F and subsize specimens to ASME Sec. VIII

    Dear Weldstan Please advice, are you agree to reduce acceptance criteria for any reduction temperature ? some people agree not to reduce the acceptance criteria ? Thanks n Regards AP
  4. WE17

    Imact testing at -50 Deg. F and subsize specimens to ASME Sec. VIII

    Hi Cloya 14, I am not expert in this, but may be i can share a little bit. Since you work for ASME, you need to see also Table 4.15 AWS D1.1 and B31.3 Table 323.3.4 and your construction code Table UG-84.2. you need to read carefully UG-84 Clause. I give you an example : you have PQR : 1. 10...
  5. WE17

    QW-353/qw-402.4 backing not essential qw-253

    Hi bpv66 Thankyou in advance for your advice. I agree with you, the summary minimum code asme will allow to make without backing but we need to think about quality. better to do root with GTAW rather than SAW eventhough allow by minimum code. Thanks bpv66
  6. WE17

    QW-353/qw-402.4 backing not essential qw-253

    Hi bpv66 Appreciate for response bpv66 . so with going to asme code said that SMAW 7018-1 allow to weld root as well ? in same case What about if me qualified with GTAW and SAW ? Can I make root with SAW ? Anyway Thankyou bpv66 to redirecting me to the right way... Thanks n Regards AP
  7. WE17

    QW-353/qw-402.4 backing not essential qw-253

    Dear All I need some help for understanding backing, I have PQR qualified for GTAW(root)& SMAW(Fill+Cap) So in my understanding according to ASME IX QW-402.4 SMAW(E 7018-1) and QW-402.5 GTAW(ER-70SG) in Production I can use my WPS with or without backing for GTAW and SMAW only applicable with...
  8. WE17

    QW 407.2 ASME IX 2013 80% From Production

    Hi David and aburafdi, Thankyou so much for your response. High appreciate for your help :) Thanks n Regards WE 17
  9. WE17

    QW 407.2 ASME IX 2013 80% From Production

    Hi Aburafdi, Thankyou for the answer. 150/.8 = 187.5, But would you please explain how you get 162.5 please ? Table UCS 56 more than 5 in : 125 2 hr 150 15min 175 15min 200 15min Please see simulation above, if The Thk is 162.5 the value between 150mm(2 hrs 15 min) and 175mm(2 hrs 30...
  10. WE17

    QW 407.2 ASME IX 2013 80% From Production

    Hi All, I working for a Pressure Vessel Company. My SUrveyor ask me to change my WPS. I have a test Coupon THK 40 mm. My Thickness Range Qualified base metal on my MPS are 16 mm in to 200mm . According to him, I can not use 200mm on my PQR because of QW 407.2. In my PQR Soaking Time for my PQR...
  11. WE17

    RT WPQ coupon from multi welders

    Hi Stanweld99 i am not expert in this but please see QW-142 asme sec IX for qualification your welder you can use RT or Side Bend but for deposit of each welder you qualified of course you need record for coupon testing. Please see Section III of asme IX QW-350 (qw-404.30) for more detail...
  12. WE17

    6G & 6GR welder qualification

    Hi Zetbe, in my opinion For root why you do not use welder 6G for Root and continue with welder 6GR if required Thanks n Regards we17
  13. WE17

    Subsize Specimen(Asme VIIITable UG-84.2 ,Asme B31.3 Table 323.3.4, AWS D1.1 Table 4.15 )

    Hi Weldstan, Thankyou for your valuable advice,You Open my mind. by the way Regarding my calculation(stright line calculation for reduction temperature and acceptance) above is it correct ? Thanks n Regards We 17
  14. WE17

    Subsize Specimen(Asme VIIITable UG-84.2 ,Asme B31.3 Table 323.3.4, AWS D1.1 Table 4.15 )

    Hi Weldstan, By first looking your statement made me confused, But after recheck with the code you completely open the key. UG 84 (c) 5 b Paragraph one said if your nominal thk not less than 80% so no need temp. reduction and Paragraph 2 said that if less than 80% so need temperature...
  15. WE17

    Subsize Specimen(Asme VIIITable UG-84.2 ,Asme B31.3 Table 323.3.4, AWS D1.1 Table 4.15 )

    Hi Everyone, I have question regarding Subsize Specimen (Asme VIIITable UG-84.2 ,Asme B31.3 Table 323.3.4, AWS D1.1 Table 4.15 )But for now Just concentration for ASME VIII div 1 Table UG-84.2 and See UG-84(c)(5)(b). First Question : 1. I have PQR 6 inch, schedule 40 pipe (168.3mm outside...
  16. WE17

    Weld Bead/Overlay AWS D1.1 ?

    Dear All, I have a Pipe which is need additional weld on Capping, Please see attached drawing(sorry for manual, I do not have autocad on my comp.) Client request for welding based on drawing which is they sent for me, this is for structure so I assume AWS D1.1, After check with the code I...
  17. WE17

    PQR FOR HIGH PRESSURE PIPING AISI 4130 ; ASTM A 487 Gr 4D & ASTM A487-4Q

    Hi DekDee, Hi GTAW (AI) Thankyou very much for valuable information you gave me. I read already all your recomendation and information, I almost run PQR in different way. now I will request special material from the vendor. I love ENG TIPS so much and of course I must be say GTAW and Dekdee you...
  18. WE17

    PQR FOR HIGH PRESSURE PIPING AISI 4130 ; ASTM A 487 Gr 4D & ASTM A487-4Q

    Hi GTAW(AI), Thankyou for reply my posting, I personally must be say thankyou. by the way why qualified welder must be using side bend ? b31.3 328.2.1 a said all performance welder/welding operator and welding procedure shall conform asme IX and for welder refer to QW-302.1/3 bend tests or...
  19. WE17

    PQR FOR HIGH PRESSURE PIPING AISI 4130 ; ASTM A 487 Gr 4D & ASTM A487-4Q

    Dear All, I need to prepare PQR for high pressure piping B31.3 and refer to welding ASME IX , 1. AISI 4130 welded to ASTM A487-4Q 2. ASTM A487 Gr 4D to ASTM A487-4Q 3. ASTM A487 Gr 4D to API 5L X52 By seeing all mill certificate, ASME SEC IIA, I thought A487 Gr 4D(unassigned material) & A487 4Q...
  20. WE17

    Narrow Gap Welding

    Hi GTAW, Thankyou very much for your advice, Cheersss :) we17

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