Hi! Friends
generaly it is prefered to use Inconel filler ( NiCrMo3 or NiCr3) for welding 5Cr 1/2 mo to SS materail which needs PWHT at higher Temp. Mostly 309 SS filloer is not recomended when it requires PWHT at Higher temp say 680-700C Regards Hegde P.B.
--- On Tue, 26/6/12, ESMAT S <ss824@hotmail.com> wrote:
From: ESMAT S <ss824@hotmail.com>
Subject: Re: [MW:14692] Dissimilar Welding: 5Cr-0.5Mo Furnace Tube with SS304 Guide pin
To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Cc: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Date: Tuesday, 26 June, 2012, 1:47 PM
I face this problem but with ss316 to p91 (9cr) in steam line and the welding was buttering procedure with the higher grade which is p91(9cr) filler. Generally the dismiler Welding should be with the higher grade material according to the code . Sent from my iPhone Dear All, We have to weld an Ø1½" SS 304 guide pin pipe to Ø4" 5Cr furnace tube. I was unable to find any WPS in our records. Some research I did revealed that I should be using SS 309 for the welding. What I am concerned is whether Stress relieving is necessary? I learned from somewhere that it will lead to sigma phase creation and carbide percipatation in austenitic stainless steel. Your comments / help is much appreciated. Regards, Muhammad Ali -- To post to this group, send email to materials-welding@googlegroups.comTo unsubscribe from this group, send email to materials-welding+unsubscribe@googlegroups.comFor more options, visit this group's bolg at http://materials-welding.blogspot.com/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. -- 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/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.
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http://materials-welding.blogspot.com/ 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.
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