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The most recent discussions

Tig Torch Stand


April 25, 2019, 2:29 am

How important is a stand for your TIG torch? You can buy them so cheap its not worth making, and of course I have metal (and magnets) all over the shop so I could certainly make one, but will I ... Read more »

CO2 mig again


April 24, 2019, 2:24 pm

Going to experiment, have a common or garden variety regulator as used on drink dispensers etc, no flow gauge, so what pressure as a rough guide is likely to give acceptable flow rate? 10 psi? ... Read more »

7018 - E7018 - 7018AC


April 18, 2019, 5:49 pm

Do you or have you used 7018 on an AC source? Have you ever had anybody tell you should only run it on DC? I've had a couple people tell me you have to run 7018 on DC (ep). I have a box of E7018 ... Read more »

tensile breaking machine for test welds


April 17, 2019, 6:52 am

Hello all I've google searched and not found the mythical test machine I visualise should exist for API1104-type welder qualification tests. When the criterion for a welder-the-person test is that... Read more »

7016's/7018's/ Basic rods development over time


April 6, 2019, 8:48 am

Hi all A friend explained that modern dual-coat 7016's which leave the black glass slag have great user appeal (obviously) but are only made possible by modern clean steels, where in times like th... Read more »

CO2 mig versus gasless mig


March 22, 2019, 6:11 am

Tried to ask google and get nowhere (get answers comparing argon mixes etc but none answer the direct question. I have a co2 bottle and can not afford any argon mixes as Australian gas suppliers... Read more »

Preflow on MIG


February 3, 2019, 3:50 pm

I know. I know. That's not really a thing. Still I was welding up some T-handles on thread rod for some tools yesterday. I noticed that for just a fraction of a second at the beginning of the fi... Read more »

"Welding" Unknown Pot Metal


January 17, 2019, 7:28 pm

I've got a part I'd like to repair if for no other reason than to be able to do it. The value is much lower than my time. It?s a die cast mystery alu-zinc part. From what I have read the BlueD... Read more »

Weld foot electric motor


December 31, 2018, 8:01 am

Has anyone welded broken foot on electric motor with stick cast rods, I presume I should bolt earth to good foot securely, but any hints AC/ DC positive or neg earth? Should I earth separately to... Read more »

TIG vs Pulse TIG


December 30, 2018, 7:29 pm

My primary interest in TIG is to do cleaner aluminum welds with stock that is really outside my practical ability with my MIG setup. This means I am primarily looking at AC TIG welding. Yes once ... Read more »

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The best rated discussions

Heat Calculation In Hot Wire TIG

rating: 5

Hello to all , I heard that Hot Wire TIG is having high deposition rate than normal TIG, is the fact behind this is 'only the additional power source which we use for heating filler wire' ... Read more »

Thermal Arc Pro-Wave vs. Arc Master?

rating: 5

OK, so I apparanantly waited way too long to buy a Pro-Wave 185 on eBay ($1800) and now for some unknown reason the replacement welder (Arc-Master) is $2500. Didn't Thermal Arc know they had the AC/D... Read more »

Stick welder transformer questions

rating: 5

Hi, I have an old Abel 130 amp welder that grunts and groans when I set it to 100 amps or more. The hum starts to sound distressed a bit like the unpleasant edge to a sound when a speaker is overloa... Read more »

acetylene gauge pulsating

rating: 5

What causes a acetylene regularot to start pulsuting? The manifold is about 5 years old, with about 10 hours of use. This is my second regulator doing the same thing. Do i throw it away again and bu... Read more »

problem with grapes

rating: 5

Hi. I am just learning how to stick weld, and I have been having some problems with grapes (I think that's the correct term). I have tried running stringer beads on scrap plate and bar, which seems... Read more »

Spot welding 18 gauge to 10 gauge mild steel

rating: 5

Is it possible to spot weld thinner 18 gauge sheet metal to heavier 1/8 angle iron? A spot welder is one tool missing from my shop and since these things seem to run in the $500 plus range, some inpu... Read more »

Drying E7018 and hardfacing welding rod

rating: 5
  [ 2 ]

I have a box of 3/32 E7018 welding rod that spent a while without being kept in a dryrod oven. Also a bunch of Stoody 21 hardfacing rod. I am doing an experiment, I took a few of each kind of rods a... Read more »

propane torch conversion to natural gas?

rating: 5

Brazing, not welding, but .. I have some propane/air torches I want to convert to natural gas (methane). Can I just swap the jets - and should they be bigger or smaller? How much? Thanks -- Peter Fa... Read more »

Moving jumper tabs to change input voltage on Syncrowave 300 welder

rating: 5

Gentlemen. I recently acquired an old Syncrowave 300 welder at an auction. It is currently set up for 460 volts single phase. This setting involves one copper or brass jumper tab that join termina... Read more »

Single carbon-arc welding

rating: 5

Where might I find a detailed description of welding using a single carbon arc electrode? Google finds references to twin-carbon torches, but that's different. Wikipedia mentions CAW but says onl... Read more »

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