stainless socket welds .. purging?

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heyI was wondering for stainless socket welds, do you need to purge those same as butt joints or can they be welded without purge?sch 40 the pipe is and tigty for your timeLast edited by then3wguy; 02-25-2015 at 06:48 PM.
Reply:no purge, just make sure you concentrate most of your heat on the socket and as little as necessary on the pipe.
Reply:You shouldn't have to because there won't be any "sugaring" on the inside of the pipe as in an open butt.  Standard practice is to leave about an 1/8" gap in the socket for stick welding, so it's a good to get in the habit; even with tig.Mike
Reply:i never have, and i have cut enough off to know that it wont sugar if you are halfway decent with your heat input.bosses stuff:trailblazer 325maxstar 200my stuff:sa 200fronius transpocket 180100 amp Lincoln w/f97 f350 DITKevin
Reply:they will sugar if you get it too hot.
Reply:Standard practice is if the joint/seam is 1/4" or more no purge is required.Weld like a "WELDOR", not a wel-"DERR" MillerDynasty700DX,Dynasty350DX4ea,Dynasty200DX,Li  ncolnSW200-2ea.,MillerMatic350P,MillerMatic200w/spoolgun,MKCobraMig260,Lincoln SP-170T,PlasmaCam/Hypertherm1250,HFProTig2ea,MigMax1ea.
Reply:ty much for the replys
Reply:If the backside is going to melt, it's going to sugar.If you're not going to be getting full penetration then you can probably get away with not purging.Welding/Fab Pics: www.UtahWeld.com
Reply:You don't not need to purge SS socket Welds , the min thickness that requires purge is 1/16" wall, but the other gentlemen is correct when saying you can surfer almost any thickness if your to hot and to slow, generally you want to be Hot and Fast, look at color of weld it will tell u everythingSent from my iPhone using Tapatalk
Reply:Socket weld stainless is about corrosion resistance from the outside.  Socket weld fittings are subject to crevice corrosion if the fluid inside is corrosive.  They are not the best choice for handling corrosive fluids.  If the fluid is non-corrosive the minimal amount of sugaring you may get should not cause any trouble.