Hi Ramesh,
For small diameter pipe fabrication involving groove and socket welds, GTAW is always the preferred welding technique due to :-
- consistent weld quality & good penetration
- ease of maneuvering the weld puddle within a very small working area
- control of heat input, better for preventing overheating of pipes
- and last of all good workmanship.
Design & fabrication codes will not dictate what welding process is to be used for fabrication. It's the fabricator's wise call.
The rationale of your client is quite reasonable for getting good fabrication quality
Thanks.
Pradip Goswami, P.Eng,IWE
Welding & Metallurgical Specialist
Ontario, Canada
From: Ramesh Meka <mramesh3571@gmail.com>;
To: <materials-welding@googlegroups.com>;
Subject: [MW:18325] Is SMAW is restricted to small bore pipe i.e., below 50 NB
Sent: Fri, Aug 2, 2013 4:34:28 AM
| Dear Experts! At our project Hydraulic service pipe line is there, we have to weld the 15 NB size, A312 TP-304L material pipe (butt & socket joints). So, our client suggest that go for GTAW and please tell me in which code it is given as my client said. Thanks in advance M.Ramesh, Mob.+918456805540. *Please consider the environment before printing this email.* -- To post to this group, send email to materials-welding@googlegroups.com To unsubscribe from this group, send email to materials-welding+unsubscribe@googlegroups.com For more options, visit this group's bolg at http://materials-welding.blogspot.com/ http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents. --- You received this message because you are subscribed to the Google Groups "Materials & Welding" group. To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. |
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