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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

    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
  3. 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...
  4. 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
  5. 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
  6. 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
  7. 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.
  8. 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...
  9. 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.
  10. 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
  11. 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...
  12. 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...
  13. sadra

    WPS FOR DIFFERENT P-NO./G-NO.

    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...
  14. 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...
  15. sadra

    OPERATING AND DESIGN PRESSURE/TEMPRATURE

    hellow, in our project in blowdown line the operating temprature is more than design temprature. some body how is it possible.
  16. sadra

    paddle blind & paddle spacer

    hi, help me. is there any catalogue or web site for find paddle spacer and paddle blind weight?
  17. sadra

    metal saet ball valve

    can any body tell me what is the advantage of metal seated ball valve.
  18. sadra

    HYDROTEST OF SDV & BDV

    It is necessary to remove the instrument valves such as SDV & BDV during piping hydrotest.

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