Thursday, June 3, 2010

Re: [MW:5368] ER316 & E316-16 FOR CRYOGENIC SERVICE

Hi,
 
What is your impact requirement.  Both electrodes will have same impact strength.  In case stick electrodes if you want better impact properties less than -196C then you should go for E316-15 electrodes as it is lime coated where as 316-16 is rutile,lime coated so its impact properties will be less than E316 -15.
 
regards
 
N.V. PRASAD
WELDING ENGINEER
VELOSI CERTIFICATION, QATAR
 


 
On Wed, Jun 2, 2010 at 6:11 PM, veloumany siva <veloumany@yahoo.com> wrote:
Dear all,
 
 
one of our Client specification says"Qualification on Material Gr.316 also qualifies for Gr.316L but not Vice versa"
 
I want to esatblish WPS for Stainless steel Material Gr.316 (cryogrnic service) as per B31.3
 
 
My query is
 
whether  ER316 for GTAW Process and E316-16 for SMAW  will meet the Impact requirement?
 
 
Regards,
S.Veloumany
 
 
 
 
 

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