c/boilermakers

Vent: That pipe fit took me 6 hours because of one stupid thing

Had to fit a 12-inch steam pipe in a tight corner at the old GM plant in Dayton last Friday. Spent all morning cutting and grinding, kept coming up short by exactly 3/8 of an inch. Turns out I forgot to account for the weld shrinkage on the first pass. Anyone else waste a whole shift on a rookie mistake like that?

2 comments

juliag10•14d ago

Old timer told me to stop using those fancy auto-darkening hoods for boiler work

Guy named Rick, been welding since before I was born, saw me with my new auto-darkening hood on a job last month. Said I was gonna miss stuff and get sloppy. Laughed it off at first. Then I had to do this tricky pass on a 2 inch tube sheet in tight quarters and the sensor kept flickering on me. Switched back to my old fixed shade number 10 for the rest of the day and honestly my welds looked way cleaner. The auto ones have their place but for precise boiler work I think he had a point. Anybody else stick with the old school hoods for certain jobs?

2 comments

the_jenny•14d ago

Shoutout to the guy who showed me his boiler tube sheet after switching to orbital welding

Saw his before-and-after photos from a 3-year span and the difference in weld consistency was so huge I spent last weekend redoing all my handwritten purge charts to match his method, anyone else had luck swapping out their old technique for orbital?

2 comments

riley_west•14d ago

TIL that old boilermaker named Joe at the Local 33 hall taught me more in 10 minutes than my whole first year

I was struggling with a lap seam on a 3/8 plate and Joe walked over, took my stinger, and showed me a wider weave that laid it flat. He just said "you're fighting the puddle, let it breathe." Anyone else have an old timer drop wisdom on you like that?

2 comments

anthonymurray•15d ago

Old timer named Hank at the Local 74 hall gave me some welding advice I should have ignored

About 8 years ago at the union hall in Hammond, this retired boilermaker named Hank told me to always run my root pass hot and fast on tube sheets. Said it would save time and still pass inspection. Well, I tried it on a job at the BP refinery in Whiting and blew through three tubes before I realized I was creating porosity every time. Has anyone else had to unlearn advice from a veteran that just doesn't hold up with modern materials?

2 comments

rowan725•15d ago

Finally passed my code welding test after 3 tries

Blew the first two attempts on a 6G pipe test here in Philly because I kept rushing the root pass. This third one I slowed way down and just focused on keeping the arc tight, any of you guys have tricks for staying calm on the test floor?

3 comments

claire_walker•16d ago

Just hit 500 hours on my Miller without a single breakdown

I was looking at the hour meter this morning and realized I've never had to crack it open for anything other than routine cleaning... pretty good for a machine I bought used off Craigslist. Anybody else have a welder that just keeps going?

2 comments

sagew50•17d ago

Changed my mind about those fancy welding hoods after a visit to Omaha

I spent last Thursday at a shop in Omaha where a guy named Rick was running a Lincoln Invertec with an old school fibre-metal hood. I always figured the expensive auto-darkening ones were the only way to go for production work. But he let me run a bead on a 3/8ths plate and I honestly couldn't tell the difference in arc visibility. Makes me wonder if I'm just paying for convenience or if the cheaper ones actually hold up better over time. Anybody else stick with the passive hoods and regret it or am I missing something?

3 comments

ross.kevin•17d ago

Why does nobody talk about the shift from firebox to membrane wall boilers?

I've been on jobs where the old firebox boilers took twice the tube time compared to membrane walls but I swear the welds held up longer, what's your experience on which design saves more headache over a 10 year span?

2 comments

victorb17•17d ago

Appreciation post: manual tube expanders vs the hydraulic crap

I spent 10 years fighting with those old hydraulic tube expanders on condenser jobs down in Baton Rouge. They'd leak oil, you'd have to bleed the lines every time, and the pressure was never consistent. Plus hauling that heavy pump up 4 flights of stairs on a retrofit job was a nightmare. Last month I finally caved and bought a manual torque-controlled expander from a guy at the union hall. Cost me $180 but it was worth every penny. No fluid, no seals to blow out, and I can feel exactly when the tube seats against the tube sheet. I swear I finish tube bundles in half the time now. Has anyone else switched back to manual tools after dealing with hydraulic headaches?

2 comments

the_margaret•18d ago

Spent 4 years welding a certain type of rod wrong before a old timer set me straight

I always laid my 6010 rods flat in the rod oven, thought that was normal. Last month a retired guy named Hank came by the shop in Gary and saw my setup. He laughed and said I was drying out the flux unevenly, causing all my arc starts to sputter. Now I stand them up in the oven like he showed me and the arc lights smooth every time. Any of you guys ever get a basic habit wrong for years without knowing?

3 comments

walker.max•18d ago

Stripped a flange bolt on a 10-inch pipe and it cost me half a shift

I was working a job at a paper mill in Tacoma last Tuesday, tightening up a flange on a 10-inch steam line. One bolt felt tight, so I gave it a little more torque with my impact gun, and it stripped clean. Had to drill out the bolt, retap the hole, and find a replacement from the supply room. Took me almost 4 hours total, and the foreman was breathing down my neck the whole time. Has anyone else had luck with using thread chasers on older flanges to avoid this crap?

2 comments

milesj70•23d ago

That old trick with a soapstone on a hot plate

Back in 2012 on a job in Gary, I couldn't get a consistent mark on a 1 inch plate. Layout lines kept disappearing once the heat got on. Tried chalk, tried a marker, nothing stuck. An old timer told me to heat the soapstone on a portable hot plate for 30 seconds before marking. Worked like a charm, lines stayed visible for the whole pass. Anybody else still use that method or found something better?

2 comments

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the_margaret•25d ago

Old trick for aligning tubes kept me from losing my mind on a job in Gary

Was working on a boiler retube over in Gary last spring and kept fighting with tubes that wouldn't seat right in the drum. One of the old hands told me to try using a piece of emery cloth wrapped around a broomstick to clean the holes before you even think about sliding the tube in. Saved me at least an hour of cussing per shift. Anybody else got a goofy trick like that that actually works?

2 comments

felix147•26d ago

Overheated a 12 inch flange joint for 20 years before a pipefitter set me straight

I always thought you needed to go big on the rosebud to get the flange hot enough to pull bolts, but after I warped a 6 inch blind on a job at the refinery last Tuesday, this old timer showed me his trick with two smaller torches and a temp stick. He had me running a 200 degree difference between the inside and outside diameter which cracked my whole approach open. Anyone else have a go-to method for heating flanges evenly that doesn't risk warping them?

2 comments

felixfisher•27d ago

Just dropped $300 on a fancy level and it broke day one

I bought a digital level from a brand my buddy swore by for pipe alignments, and on my first job at a plant in Gary, the screen went blank after one drop off a 4 foot ladder. Turns out the plastic casing is garbage and the warranty doesn't cover impact damage, so I'm out the cash. Anyone else had a tool fail on the first use and just had to eat the cost?

3 comments

margaret_taylor42•28d ago

Job in Baton Rouge taught me why you never trust a used firetube boiler log

I took a boiler survey gig at a chemical plant outside Baton Rouge last fall and the logs showed clean inspections for 3 years straight. When we pulled the tubes, we found 2 inches of scale hiding behind a false bottom plate that someone had welded in. Has anyone else run into falsified maintenance records or hidden damage on site?

3 comments

butler.abby•1mo ago

Caught a younger boilermaker saying tube rolling was 'old school' and it got me thinking

I was at a supply house last Tuesday picking up some 2-inch ferrules and heard this kid maybe 25 tell his buddy that hand rolling was a waste of time because the new hydraulic expanders do it better. I've been in the trade 18 years and I get where he's coming from but I've also seen those machines leave a hairline crack on the inside radius that you don't catch until pressure test. My old mentor used to say 'feel the tube grow' when you roll it and I still check that way on critical jobs. Has anyone else noticed younger guys skipping the hand techniques or is it just my crew?

2 comments

caleb_thomas93•1mo ago

That time a gasket kit from a 1992 manual saved a shutdown

We were stuck on a Friday because the new gasket for a vintage feedwater pump was the wrong size. The foreman dug out an old manual, found the part number for a kit from '92, and a local supplier actually had one. Anyone know a good source for obsolete boiler parts now?

3 comments

haydenbutler•1mo ago

Question about that new ceramic coating for boiler tubes

I just spent $800 on a fancy ceramic coating kit that promised to double tube life. Followed the instructions to the letter on a small boiler in our shop. After just three months of normal use, the coating flaked off in sheets and left a huge mess in the water side. The rep won't return my calls now. Has anyone else tried these coatings and had them actually work, or did I just get a bad batch?

3 comments

willow_morgan•1mo ago

Spent $800 on a new tube roller and it's already got a wobble

Got it for a big job in Toledo last month, and the main shaft isn't running true. Now I'm stuck trying to fix it before the next bend. Anyone know a good repair shop in the Midwest that won't take a month?

4 comments

anthonymurray•1mo ago

Looked at my logbook and realized I've been on the tools for 22 years now.

It just hit me that I've been fitting and welding pressure vessels since before some of the new apprentices were even born. Anyone else get that weird feeling when you see a number that puts your whole career into perspective?

3 comments

murray.spencer•1mo ago

I had to pick between a 3/8 wall tube or a 1/2 inch for a high-pressure feed line

The specs were borderline, and my foreman said to go with the thicker one for safety. I chose the 3/8 to save on weight and cost, thinking the pressure rating was still okay. It held for the hydro test, but I'm second-guessing if that extra margin was worth skipping. What's your rule of thumb for making that call on a tight spec?

3 comments

ross.kevin•1mo ago

Just realized I wasted two days on a bad flange gasket

Used a cheap off-brand gasket on a 300 psi steam line at the old paper mill in Everett. It blew after three hours and cost me a full day's labor plus a $150 rush order for the right part. What's your go-to brand for high pressure stuff?

3 comments

the_zara•1mo ago

Wasted a whole day on a bad weld prep job

Didn't clean the base metal well enough on a carbon steel pipe spool last week, just a quick wire brush. Had to cut out and redo a 12-inch seam after the x-ray showed inclusions. Anyone else get burned by rushing the prep step?

3 comments