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  1. johnlabuu

    How to repair pipe crack for material 20Cr32Ni.

    Noted & Thanks for Advise. Very Appreciated.
  2. johnlabuu

    How to repair pipe crack for material 20Cr32Ni.

    Dear All, Can someone advise me on how to repair the pipe tee with OD760 and 39mm thickness? What is the best welding method to complete this repair activity and it is required for any PWHT after completing the repair activity? Appreciate any advice given. Thank You.
  3. johnlabuu

    Post Weld For Material 15NiCuMoNb5-6-4

    Hi Good Morning All, Can someone advise me, on the material 15NiCuMoNb5-6-4 requirement for PWHT? Is the material compulsory for PWHT, according to ASME or EN or Din? Thank you
  4. johnlabuu

    P Number

    Dear Friends, Should someone advise me, what is the P Number for material P335 P36? Thank You. Johnlabu
  5. johnlabuu

    Dear All I need your help with thi

    Dear All I need your help with this matter. For material A335 P36 what is the P number for this alloy steel group? Can someone advise me? Thank you in advance.
  6. johnlabuu

    What electrode or filler rod to weld pipe material AISI 4130?

    Im not familiar with this material requirement. Im welding pipe with diameter 6" with thickness 21mm. Ambient temperature. Please advise sir.
  7. johnlabuu

    What electrode or filler rod to weld pipe material AISI 4130?

    Dear All Engineer's, What electrode or filler rod to weld pipe material AISI 4130? We're in the middle on prepared the new PQR & WPS for material 4130. Please someone advise me. Thanks

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