Saturday, July 10, 2010

RE: [MW:5921] Distortion in Coke drums


Hi Ankur,
 
  1. Is this a new drum for fabrication ?
  2. What's the material thickness?
  3. What's the welding process to be adopted-SMAW+ SAW  or GMAW+SAW or SMAW only.
  4. Do you have any standards for weld edge prep?
  5. What're the consumables recommended in the  fabrication drawings/ design specifications.
 
Appreciate if you could provide those info.
 
Thanks
 

Pradip Goswami,P.Eng.
Welding & Metallurgical Engineer/Specialist
Ontario Power Generation Inc.
Email-pgoswami@sympatico.ca,
pgoswami@quickclic.net

 


Date: Fri, 9 Jul 2010 22:49:19 +0530
Subject: [MW:5919] Distortion in Coke drums
From: prince.ankur@gmail.com
To: materials-welding@googlegroups.com


Dear members,
 
What welding sequence should be followed to control the bow type distortion during long seam welding in coke drums?? If any one has established any procedure please let me know:
1. The type of weld edge preparation
2. The diameter of electrode to be used
3. Any stiffners to be welded during setup
 
Regards,
Ankur

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