Re: [MW:17398] E 7018 used instead of E7018-1

Hi! Generaly E7018 weld chemistry gives acceptable Impact properties up to minus  25-28 C in 3G position However Impact enrgy value reduces  as test  Temp lowers Therefore it is always recomended to use 7018-1 say up to minus 45C as it contains more Mn compared to 7018 . But some time even with 7018-1 does not give Impact value say 54J at minus 45C (Of course exception of reputed  brand) unless you control bead shape and Heat input in 3G position  Therefore it is very important to select right Consumables,Heat in put,Interpass temp and Flux coating basisity Regards Hegde P.B. --- On Sun, 14/4/13, Biplab Pal <biplab.mech@googlemail.com> wrote: From: Biplab Pal <biplab.mech@googlemail.com> Subject: Re: [MW:17387] E 7018 used instead of E7018-1 To: "materials-welding" <materials-welding@googlegroups.com> Date: Sunday, 14 April, 2013, 4:02 PM Is there client specific MDMT & Impact requirement. On Sun, Apr 14, 2013 at 1:11 PM, Binu Nair <binugnair1984@gmail.com> wrote: Dear Experts,   Our welders are used E7018 instead of 7018-1 for A333 Gr-6. Now client is asking to cut the joints. Moreover they are asking to prove the remaining joints whether they are welded with 7018-1 or not. Can anybody suggest a suitable method such as any NDT to prove that ? So please send your valuable suggestion with reference to code.   Thanks & regards,   Binu.   -- 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.     -- Thanks & Regards Biplab Pal Welding Inspector E-mail:   biplab.mech@gmail.com   Information in this email and any attachments is confidential and intended solely for the use of the individual(s) to whom it is addressed or otherwise directed. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the Company. Finally, the recipient should check this email and any attachments for the presence of viruses. Myself accepts no liability for any damage caused by any virus transmitted by 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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