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  • Users: sadra
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  1. sadra

    A671 Gr.CC60 class 22 instead of class 32.

    hi in our PMC for one of C.S class from 18" and above and thk>19mm client consider A671 gr.CC60 class 32 but due to availability of class 22 we want to buy class 22.I Know that difference is in heat treartment operation between above mentioned class but is there any big deviation according to...
  2. sadra

    Solid Inconel 625 Pipe Vs CS + Clad Inconel 625 Pipe

    dear sir According to my experience from 6" and above wall THK. more than 10.7 possible to use CLAD pipe.but before applying this you have to check piping material specification. regards, Sadra
  3. sadra

    hardness problem

    hi I agree with all of you.hardness is more than 22HRC but where inconel 625 clad carbon steel is used in NACE service the hardness requirements of the nace document are not applicable as the inconel 625 cladding dose not corrode and hence there is no evolution of atomoic hydrogen.therefore...
  4. sadra

    hardness problem

    hi we qualified pqr for inconel 625 clad material(API 5L X65+ 3mm inconel 625).the maximum hardness in HAZ on base metal is 252 HV10. our service is soure according to NACE MR 0175.hardness is acceptable or not? thanks and regards. R.Salimi
  5. sadra

    ASTM A516 GR.70 PQR

    hi I have one pqr for A516-Gr.70 material thickness is 6mm and laboratory impact tested in -46C for subsize 3.3*10(MM) and the results are for WL:26.6(J),FL:25.3(J),FL+2:31.3(J), and FL+5:37.6(J).pls. note that -46C is MDMT for our project. now my problem is this:according to para 323.3.4 in...
  6. sadra

    P-NOMBER

    HI IS THERE ANY BODY CAN TELL ME WHAT IS THE P NOMBER AND GROUP NOMBER FOR A860 WPHY 65 REGARDS, R.SALIMI
  7. sadra

    pwht for clad pipe

    hi, in our project we have api 5l x65 cladded with 3mm inconel 625 the thk of carbon steel portion is more than 19mm in this case pwht is require or not. regards r.salimi
  8. sadra

    WPQ as per Sec IX

    hi; I am sorry but yes!!!!!!!! Regards, Reza salimi
  9. sadra

    WPQ as per Sec IX

    hi 1G position can not support 2G so.you have to run new WPQT. Regards. reza salimi
  10. sadra

    I need trainner for weldoverlaying

    hi could some body introduce me for performing one trainning course for weldoverlaying clad with alloy 625 to do this course in iran. regards, Reza Salimi r_salimi@boushehr.sadragroup.com
  11. sadra

    WPS for backwelding

    hi my problem is we have one wps for single v bevel without any backwelding mention in that. now if i wanted to do backwelding on the joint another wps is require or not? I hope I could transfer my problem. thanks, Reza Salimi r_salimi@boushehr.sadragroup.com
  12. sadra

    WPS for backwelding

    hi; let me explain that we have one wps for single bevel.now because of some reason we wanted to do backwelding but client request new wps .our code is aws D1.1 not asme sec. IX regards, reza salimi
  13. sadra

    WPS for backwelding

    hi We have WPS for single side bevel.if we wanted to do back welding we have to have another WPS or not?.I beleive that K bevel or X bevel has different meaning with backwelding. If my idea is not correct pls. advise me.
  14. sadra

    Inconel clad, heavy wall CS piping vs welded attachments

    I have a substantial amount of Inconel clad CS piping ranging from 8" - 32". The average WT of the CS is 19mm, with a 3mm thick Inconel cladding. My problem is that I have numerous 3/4" instrument connections that require weldolet or weldoflange connections. I must ensure that...
  15. sadra

    WPS FOR PIPING MATERIAL

    hi, The pipe material is A333 Gr.6 (P.No-1 and G.No-1) and flange material is A350 Gr.LF2(P.No.-1 and G.No.2) Regards, R.Salimi
  16. sadra

    inconel welding

    hi Is there any body can tell me how we can weld inconel 625 weldolet to carbon steel pipe that claded with inconel 625. is there any procedure available. Regards, Reza Salimi.
  17. sadra

    ultrasonic test on tky joint

    hi in our project on the jacket there is some T-butt joint which req. UT test. is it mandatory to do UT testing the T joints from inside of the leg of jacket. our spec is API RP2X. thanks and regards, R.Salimi
  18. sadra

    Welder Qualification

    john I will be glad if you can send me the approval range calculator at r_salimi@boushehr.sadragroup.com thanks and regards, R.Salimi
  19. sadra

    WPS FOR PIPING MATERIAL

    HELLO, WE HAVE A PROBLEM IN WELDING OF MATERIAL WITH SAME P-NO. BUT DIFFERENT GROUP NOS. AS WE FOLLWD ASME SECTION IX WE FOUND IN QW403.5 THAT IF THERE IS NOT ANY CHANGE IN ESSENTIAL VARIABLES EXEPT IN GROUP NO. THEN WE CAN QUALIFY PROCEDURE FOR WELDING OF THE SAME MATERIAL WITH THE SAME P-NO...
  20. sadra

    WPS FOR PIPING MATERIAL

    HELLO, WE HAVE A PROBLEM IN WELDING OF MATERIAL WITH SAME P-NO. BUT DIFFERENT GROUP NOS. AS WE FOLLWD ASME SECTION IX WE FOUND IN QW403.5 THAT IF THERE IS NOT ANY CHANGE IN ESSENTIAL VARIABLES EXEPT IN GROUP NO. THEN WE CAN QUALIFY PROCEDURE FOR WELDING OF THE SAME MATERIAL WITH THE SAME P-NO...

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