⚡ Welding Forums - Main Page

Have a question or want to show off your project? Post it! No Registration Necessary.  Now with pictures!

⚡ Welding Forums Welding of materials for manufacture & repair.
Web, RSS and Social Media interface to sci.engr.joining.welding
There are 47001 individual articles here that are part of 5948 discussions
Please see below the list of the most recent and the best rated articles in ⚡ Welding Forums

The most recent discussions

Oxy cutting a 8" steel shaft


April 23, 2014, 8:13 pm

We need to cut a 8 steel shaft (crankshaft on a punch press) to safely take off the flywheel before dropping down the whole press. How can I do it with O/A? Tip size? Can it be done with 315FC torc... Read more »

Welding on a vehicle


April 23, 2014, 6:51 pm

Hello all, I am building a (for lack of a better term) load stabilizer for my vehicle, the final stages of which will require me to weld on a piece with a load attached for proper orientation. I w... Read more »

Plasma cutter problem/Can I use a different torch?


April 21, 2014, 8:58 pm

I have a Hypertherm Max100 plasma cutter. It used to work great. As of now, it has developed a problem, which is that the arc develops inside the head and burns it. Not sure why or what. My qu... Read more »

Can an Old Vise be repaired by a Flux Core Wire Weld?


April 15, 2014, 12:16 am

I only have a Wire Feed Welder with Flux Cored Wire. Was asking if I would be able to repair a crack with this type of weld? Any advice would be greatly appreciated as I do not have any other metho... Read more »

About Resistance Butt Welding Machine.


April 8, 2014, 4:22 pm

Hello everyone. I'm from Turkey and studying Mechanical Enginner.My proffesor gave me a pro ject.If i design that machine i can finish my university :).This machine is Resistance Butt Welding Mac... Read more »

Victor tip size?


April 7, 2014, 9:12 am

I bought an old Victor portable welding kit with a J28 torch, 2-W-J welding tip and Uniweld 17-15 rosebud, which apparently consume acetylene much too fast for the MC tank in the carrier. Accordi... Read more »

E7018 vs ER70S3 welds


April 5, 2014, 6:28 pm

Let's say that you have two welds connecting identical materials. Both are well done and produced by qualified weldors, with proper settings, etc. Would there be a material difference in strangth ... Read more »

Made this Blacksmith anvil round table. Comments?


March 29, 2014, 8:09 am

I made this round anvil table. Made of a piece of 3 thickness steel with holes drilled around the perimeter. (this is a blind flange) The holes could be useful for hanging tongs etc. http://www.ma... Read more »

MIG practice


March 26, 2014, 11:56 am

What are some good practice tasks and projects for somebody new to MIG welding? I've been taking basic MIG classes at a local welder's shop, but it's really going to come down to practice and mor... Read more »

7018 vertical-up stringer-bead welding


March 23, 2014, 6:24 pm

Hello all 7018 vertical-up stringer-bead welding... Back to basics for vertical-up - trying to do vertical-up pad-welds with 3.2mm (1/8th-inch) 7018's. - vertical-up - 3.2mm (1/8th-inch) 7018 ro... Read more »

Click here for other recent discussions »

The best rated discussions

rating
5

HOW TO WELD 4140


HOW TO WELD 4140 by Rod Ryker PREHEAT, IF YOU DESIRE, 'TILL YOU SEE DARK BLUE ALL AROUND THE DESIRED WELD AREA. OR IF THE MATERIAL IS 1/8 INCH THICK OR LESS, NO PREHEAT NEEDED. USE AN ER80S DOUBLE DE... Read more »

rating
5

Ernie's Notching Grinder


Elsewhere I see Ernie Leimkuhler's use of a right angle grinder to grind the sides of tubing in forming a fishmouth joint. I have in the past inverted my circular saw, mounted it under a heavy sheet ... Read more »

rating
5

Best epoxy for engine block repairs


OK, you folks have convinced me that epoxy will work for cast iron engine block repairs; in my case to fix a long crack in the water jacket. Would you comment on which epoxies have worked for you? ... Read more »

rating
5

Truck or trailer flag pole


I am trying to figure out how to make a flagpole to mount on my truck and trailer that will withstand highway speeds. It needs to be fairly stiff, and be able to hold the 3' X 5' flag. Not sure w... Read more »

rating
5

302 stainless steel


hello folks. I recently started working at a brewery with a lot of 302 stainless steel. My job is general brewery stuff but since I have experience TIG welding steel bicycle frames the brew master ... Read more »

rating
5

Jasic (China) ad/dc welder reputation ????


Anyone hear any bad stories about these Jasic brand imported ac/dc tig welders? At $850 delivered these are about the best I have found pricewise. Comes with the pedal and torch and leads. Read more »

rating
5

really fast stick welding (6013 vertical down?)


Hi everyone What is a really quick way to put down lengths of stick (SMA) weld, when strength requirements are very limited? I've heard that vertical-down with 6013 is very quick. You come to realis... Read more »

rating
5

Heat input - FCAW verses SMAW


I'd like to hear some opinions on heat input of FCAW verses SMAW when welding a 1-1/2 thick reinforcing pad to a 1-1/2 thick rolled and welded cylinder. Both items are SA516-70. The weld required is ... Read more »

rating
5

Welding School in Houston, Texas

  [ 2 ]

Hi y'all. I'm looking for some formal training in welding in Houston, Texas. I've looked at the web sites for various places, but I wanted to get opinions from the folks in this group. I'd prefer a p... Read more »

rating
5

Plasma cutter flow rate requirement

  [ 2 ]

I am buying a plasma cutter, and my welding supplier is pushing the Miller 375. Very light, small machine, but it does cut nicely on 1/4. I wanted to go up to a Thermal Dynamic 52, with double the... Read more »