Monday, August 16, 2010

Re: [MW:6508] Stainless Steel -Welding

Where there is a access to weld from back side also, welders always go for it as back pass would significantly reduce any chance of defect in the root pass. And yes you are right, welding from outside only can also serve the purpose of good welding. It is not a rule to go for a back pass, just an opportunity availed by welders. 

Regards,

Ashfaq

thepetrostreet.com

 

On Sun, 15 Aug 2010 23:03:18 +0300, James cyrilandrew <jcyrilandrew@gmail.com> wrote:

Dear Friends,
                  I have a question regarding S.S materials welded with SMAW process. Usually we will go root with GTAW if the diameter is less than 24". Other than that we will go with SMAW process. But while welding with smaw process what is need to go backside welding?. why we can weld in oneside alone same like smaw welding in carbon steel. plz let me known the reason behind that. because i pratically checked out if it is welded with one side the other side look good   not bad. then why we are going for backside welding.     
 
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Regards,
J.C.Andrews
QA/QC Engineer
Doha-Qatar. 

 

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