Hi 
 What type of joint are you talking about ?  
 If it is a single sided joint without access from other side, root + hot pass has to be welded by TIG. You cant use SMAW directly. 
 If there is access from other side and chip back is possible you can go for SMAW like double V full penetration joint.. 
 Also you can weld partial penetration joint root with SMAW.. 
 Regards 
 Prem Nautiyal 
 On Fri, 16 Oct 2009 11:50:08 +0530  wrote
 >   
 Hi there,   
 One of our manager wants to Develop WPS for SS which can utilize
 SMAW āroot. I do not see it is common in SS welding. But there may be something
 can make us competitive against GTAW root.   
 Does anybody have thought to share with me?   
 Thanks in Advance..!   
 Minal Patel         
PREM S NAUTIYAL
 CELL : 9820313278
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