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Daily Weld Job

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发表于 2021-8-31 22:41:54 | 显示全部楼层 |阅读模式
Was thinking it would be cool to see people's daily work with a photo and short description... Something fresh to see daily.Heres a slip on flange to a 6" standard  carbon pipe run for fin fan heat exchanger tube side outlet... Mig weld, er70s-1 wire with argon/CO shielding gasSal
Reply:Do they clean that weld before it goes out? Something is off somehow.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:all it called for was a single fillet weld?  i'm surprised that you aren't having to fill up the lip on the ID and OD of the pipe/flange fit up
Reply:This is one of those instances where I think "MIG like TIG" isn't appropriate...but I could be totally wrong since I don't weld pipe.http://all-a-cart.comWelding Cart Kits and accessories
Reply:It kind of looks like stainless filler. Pushing the weld with too much gas?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:Originally Posted by ZTFabThis is one of those instances where I think "MIG like TIG" isn't appropriate...but I could be totally wrong since I don't weld pipe.
Reply:Originally Posted by shovelonMaybe it is "MIG like TIG" over a stainless root?
Reply:Single seal weld on ID... OD just needs leg to be .75  thickness of pipe schedule unless directed otgerwise by the print, and its standard schedule .. Shield was a c25 (argon/CO) and its er70-2... Must have fat fingered the "1"Last edited by WPSalvation; 08-08-2013 at 06:17 PM.Sal
Reply:Was not a mig like tig attempt... Was mig like mig  ... My filler or shielding gas was set up 30-35 cfh .. As per WPS. Feels impossible to get the finished look that ZTfab gets on his migliketig... Ontop of a really nice consistent hand.. His finished look appears like it solidified in a liquid appearance if that makes any sense... As if there are other variables that effect the look.. Ie filler/shield/machine... Not to even remotely downplay the welds... Just other variables is allIm not sure what looks off to you but its a pretty casual pass in my shopSal
Reply:Originally Posted by WPSalvationSingle seal weld on ID... OD just needs leg to be .75  thickness of pipe schedule unless directed otgerwise by the print, and its standard schedule .. Shield was a c25 (argon/CO) and its er70-2... Must have fat fingered the "1"
Reply:Originally Posted by shovelonYou don't see anything weird? Does not look anything like silicon on the surface. Possibly manganese?
Reply:WPSalvationYour beads  -  inside and out  -  look really cold. A rolled-bead on sections this heavy usually means it was welded with a machine too small.The debris on the weld looks like coated pipe residue.In your first photo the pipe looks heavy coated, is it?Opus
Reply:Opus"rolled bead on sections this small"For my education, and I'm stage 4 cancer serious here, can you elaborate on that?Just go into a bit of detail, it seems like you know your stuff, but it comes in small doses, and I'm not experienced enough with anything but O/A and 110V MIG to have preconceived notions and hard opinions.Like I said, I'm not being ****ty at all. Expound.If you fight long enough, you will win. The problem is it costs too damned much.- Lee Cheng
Reply:I'll take a shot -  Originally Posted by OPUS FERROWPSalvationYour beads  -  inside and out  -  look really cold. A rolled-bead on sections this heavy usually means it was welded with a machine too small...
Reply:Originally Posted by OPUS FERROWPSalvationYour beads  -  inside and out  -  look really cold. A rolled-bead on sections this heavy usually means it was welded with a machine too small.The debris on the weld looks like coated pipe residue.Opus
Reply:Originally Posted by DeuceTrinalI'll take a shot - Notice the edge of the weld bead is rolled under, as if the liquid metal was water beading on a non-stick pan. This can indicate that the base metal didn't get hot enough to fuse with the filler, i.e. "cold" weld. Instead it should look like the bead has flowed out on the edges a bit, and fused with the base metal all the way to the edge. I think that's what he meant.
Reply:Originally Posted by WPSalvationTheres silica on it obviously... material was cleaned pre weld... The weld bead was not cold enough to lack any fusion if i was running lower... Was about 19.0 with a 180 ws ... You could see the metallic highlighted edged of the weld to indicate fusion... It was a little convex but not enough to stand out really... Might be a camera thing in a depth of field shot... Was quickly good to go through the CWI ..I appreciate the constructive criticism and wouldnt suggest every weld i do is great, but those were good to go.In most cases i would go over that heavier with stick and just use that as a root but it wasnt much pressure in the service application and it met sketch standard as it was.
Reply:Originally Posted by shovelonCovering up with stick is allowed in the WPS?
Reply:You guys should post jobs, ide like to see what fabs you guys have goin on.Sal
Reply:Heres an example actually.. 3" sta. weld neck flange to 90 elbow... Tig root, 309L stick out.I believe its a steam line to a distillation tower but im not quite sure... Had several jobs going and didnt fab it, only welded it after it was tacked by my buddy who left work early.Last edited by WPSalvation; 08-09-2013 at 12:29 PM.Sal
Reply:Inside weld on a grain rescue tube. Miller mig aluminum pulse welder.
Reply:Originally Posted by Nscott88Inside weld on a grain rescue tube. Miller mig aluminum pulse welder.
Reply:My uncle owns a sheet metal shop. Only 2 employees. If you google "kc supply grain rescue tube" you can see the full product.
Reply:Here is root pass from inside of pipe ... 6" XS carbon steel Mig weldSal
Reply:We've been doing some 10 inch 1.3 wall, I recently got certified on sub arc. If I can remember to bring my camera in I'm gonna sneak some pics.Wear pad on previous pipeSal
Reply:Originally Posted by Nscott88Inside weld on a grain rescue tube. Attachment 446371Miller mig aluminum pulse welder.
Reply:Here's some SS security camera housings, TIG nuts with a little jig clipped on, and then the bracket on center, +-.5mm. Attached ImagesSqWave 200Millermatic 190Airco 200 ACHypertherm PM45Boice-Crane Band SawVictor O/A
Reply:Originally Posted by B_CIm so used to looking at TIG  that really wets out that weld looks cold to me but what do I know?
Reply:Welded a few 3" stainless v-band flanges...Worked on a tube cut jig for 5th gen Camaro 1 7/8" tri-Y headers (lol)Welding/Fab Pics: www.UtahWeld.com
Reply:Here's some .093" Copperhttp://all-a-cart.comWelding Cart Kits and accessories
Reply:A few welds I made one night.
Reply:Originally Posted by MikeGyverWelded a few 3" stainless v-band flanges...Worked on a tube cut jig for 5th gen Camaro 1 7/8" tri-Y headers (lol)
Reply:6" xs mig root/out... Got the only guy in my shop that would'nt laugh at me wgen i asked him to snap a photo.. Haha Sal
Reply:I'll biteHere's a few from my current job. Handrails for the fire stairs at a building at the University of Arkansas. Fabbed a lot in the shop, then was sent to the jobsite to install them.574121539274135 by davidcoffman, on Flickr574121529274136 by davidcoffman, on Flickr582329265120029 by davidcoffman, on Flickr
Reply:Some of the usual...  4130 (or close variants thereof) .035ish"  to .058"17-4 stainlessMy work is done, someone else's is just beginning...Miller Dynasty 200 DXMiller CP-300 with 30A feederHypertherm Powermax 900Oxy-fuel w/Harris torchesScotchman Glide-in bandsawMonarch 10EE latheEmi-Mec Autoturn latheDeckel FP2NC milling machinePro-Tools 105 Bender
Reply:Here's a 600# 2" sw flange with a 2"x1" reducer on a turn table Attached Images
Reply:Originally Posted by thegoldoldmanHere's a 600# 2" sw flange with a 2"x1" reducer on a turn table
Reply:Originally Posted by pbungumSome of the usual...  4130 (or close variants thereof) .035ish"  to .058"17-4 stainlessMy work is done, someone else's is just beginning...
Reply:Originally Posted by dcoffmanjrI'll biteHere's a few from my current job. Handrails for the fire stairs at a building at the University of Arkansas. Fabbed a lot in the shop, then was sent to the jobsite to install them.574121529274136 by davidcoffman, on Flickr
Reply:Pipe rider support for a 3" standard wall run going to a catalyst reactor.Sal
Reply:Originally Posted by motodaveDo you mind sharing the source for those panels?
Reply:6"-4" reducer on weld neck flange.Sal
Reply:Ran a little cold but everything was tied in so was all good, i try different hand speed and 5g weave techniques/ heat often to keep things interesting.Last edited by WPSalvation; 08-12-2013 at 09:10 PM.Sal
Reply:Well, I finally got some pics tonight, but they didn't come out all that great cause I was trying to take them without the foreman seeing. 10 inch pipe, 1.3 wall, power plant piping. You can't really tell how big and heavy it is from the pics, this stuff is thick.MIG rootthis is the sub arc hot pass over the MIG rootHere's the final product, 5 hours laterHere's the rootHere's the next piece I started onHere's one from last weekCheck out this guy's positionerLast edited by TimmyTIG; 08-13-2013 at 06:40 AM.
Reply:That root looks like it was fun on that heavy stuff timmySal
Reply:it works good as long as you have a big enough gap
Reply:Originally Posted by TimmyTIGit works good as long as you have a big enough gap
Reply:Pipe rider wear pad... Basically serves as an anode for a section that contacts something. Sal
Reply:1 1/2" dia. metal hose w/ Stainless Steel Braid .020" thick material! I'm OLD I like welding "Light Things" Attached Images
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