Thursday, April 11, 2013

Re: [MW:17352] RE: 17261] Welding of E316L material -Reg

Dear Experts/Mr Goswami
In TIG welding rod ER316L, carbon is kept at max 0.03, In SMAW welding electrode E316L, carbon is kept at max 0.04 in all LOW Carbon electrodes. What is logic behind it
Generally for Carbide formation, minimum carbon require is 0.04
Pandithan
Welding Consultant


On Tue, Apr 2, 2013 at 2:36 PM, kannayeram gnanapandithan <kgpandithan@gmail.com> wrote:
As per SFA 5.9,   C is max .03% for ER 316L,, in this case what should be done?

Pandithan
Welding Consultant


On Tue, Apr 2, 2013 at 8:14 AM, pgoswami <pgoswami@quickclic.net> wrote:
Hi Siva,
 
If the intended service for S.S 316L is for corrosive environments , then the answer is NO.
 
Like base metals , welding consumables for SS 316 could be manufactured as "Dual Certified Grades". Example as per SFA 5.4
  • For E-316-XX-- Maxm "C" allowed is -0.08%
  • For E-316L-XX-- Maxm "C" allowed is -0.04%
If the electrode manufacturer " Restricts C to  0.04%, yet the  all mechanical test as per SFA 5.4  are passed, then  this grade could be certified as "Dual Certified Grade" , e.g -  E316/E316L-XX. Please check this point with electrode supplier. If the answer is yes then welding consumable certified as  E316/E316L-XX, are safe to use for welding S 316L.  However the consumable must meet any corrosion test, say ASTM A-262 Practice E, if required.
 
Hope this will guide you well to cope with the problem.
 
Thanks.
 

Pradip Goswami,P.Eng.IWE

Welding & Metallurgical Specialist

Ontario, Canada.

Email-pgoswami@sympatico.ca,

pgoswami@quickclic.net

 


From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of siva subramanian
Sent: Monday, April 01, 2013 11:02 AM
To: materials-welding@googlegroups.com
Subject: [MW:17261] Welding of E316L material -Reg

Dear sirs,
                 I have one clarification regarding welding of SA240 GR 316L material.
May I use E316-16 to weld 316L material.If it is not possible means What is reason behind?

Please Clarify me.

Always Thankful,
A.Sivasubramanian

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