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Its possible- route run welding of ss 316L pipes without purging?..

by Prethyush R
( Mumbai, India)

is there any special electrodes / filler wire available for route run welding of SS 316L pipes without using purging.in my requirement no of joints are very large so it is not economic to use gas purging.also Pipes size ranges varies from 2 inch to 8 inch.
Any special electrodes can serve this purpose? or any method of purging that can be used very economicaly to for route run welding?.
Pls adivise

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Miller electric makes gmaw equipment that is supposed to be able to weld a stainless steel root without purge.

http://www.millerwelds.com/resources/articles/RMD-Process-is-Easy-to-Learn

for tig welding, there is a flux called solar flux, that is supposed to allow for tig welding a root without backing purge, but I am not impressed with it.

Return to tig forum.

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