⚡ Welding Forums - Main Page

⚡ Welding Forums Welding of materials for manufacture & repair.. This forums is a Web, Mobile and Social Media interface to sci.engr.joining.welding.
There are 48317 articles in 6167 discussions. See the most recent and the best rated articles in ⚡ Welding Forums

The most recent discussions

6010 SMAW scaffold tube railings

January 13, 2020, 4:28 am

What conditions (rod size, Amps, etc.) and techniques would you use to weld scaffold tube to make railings? Standard scaffold tube - 48.3mm OD, wall thickness about 4mm, galvanised (I think that's... Read more »

Cold Weld ???

November 29, 2019, 5:59 pm

I made a pin puller yesterday as a project with my dad when he and my mom stopped over yesterday for Thanksgiving. Basically I welded a 5/8 mild steel rod to a pair of locking pliers (Great Neck... Read more »

Ranger 8 low welding amp in DC positive and none in DC negative

November 23, 2019, 12:19 am

was welding and current dies ---selector was bad ---changed it ---now I get low amp not enough to weld and nothing in DC negative Read more »

Lincoln Ranger stop welding

October 29, 2019, 3:18 am

I raised the amps from 130 to 145 during this is process the welder complained little spark no we disconnected the lines to see what the problem could be to the principals point of no spark at all ... Read more »

Lincoln Ranger stop welding

October 25, 2019, 11:16 pm

I raised the amps from 130 to 145 during this is process the welder complained little spark no we disconnected the lines to see what the problem could be to the principals point of no spark at all th... Read more »

tube size slides over scaffold tube

October 10, 2019, 5:34 am

Hello Is there a standard tube size which can readily be ordered which fits accurately over a scaffold tube (here in UK - 48.3mm outside diameter)? The thought is to use scaffold tube offcuts to ... Read more »

Fast, Inexpensive, Strong Drawers

  [ 2 ]
October 4, 2019, 8:24 pm

This might be metalworking or wood working. I'm seriously thinking about removing the work benches from along the back wall in my shop and replacing them with a single continuous monolithic stee... Read more »

Leaking wood furnace, boiler plate

September 4, 2019, 4:04 pm

We have a outdoor wood furnace made on if 1/4 boiler plate. It has developed a leak along a weld a door. We are wondering what rod to use for welding?. Read more »

weld shrinkage

July 6, 2019, 6:59 pm

Would acetylene's larger heated zone make it better than stick to weld a tee joint in 1 square tubing that should be as square as possible? The shorter leg will be the upright that planks are cla... Read more »

prep butt angle iron inside access only 7018 rods

July 6, 2019, 6:42 am

Hi all What is the best prep and technique * butt weld angle iron (make extra length) * 10mm thk, 150x75 section (3/8 thk, 6x3) * access only from inside the angle ( L Read more »

Click here for other recent discussions »

The best rated discussions

Removal of a Jacobs Chuck from an old 3/4" Skil Drill (OT)

rating: 5

Guys, pls forgive the OT topic, but I need to get a 3/4 Jacobs chuck out of an old Skil Model 121 Special Duty drill (this thing is old, and large, and turns at 250 rpm, but looks like it could turn ... Read more »

Update on my Miller Passport 180

rating: 5

Well, I just got Passport #3 from Miller and it seems to work. I had to test it at B&R because they said Miller won't accept any more returns on it. Even though the unit failed within the first 12 of... Read more »

Harbor Freight Portapower Sets - Are They Worth Buying?

rating: 5

I am considering buying a portapower set for the home shop. I am used to the Enerpac products...good stuff. Are the Harbor Freight portapower set worth buying? They have both a 4 and 10 ton set avail... Read more »

really really sticky slag on 7018 or 7014?

rating: 5

Is it generally true that when slag adheres MUCH more tightly than usual on 7018 or even 7014 that your amps are too high? Grant Erwin Read more »

Schematic for Econotig control board?

rating: 5

Does anyone have this schematic? Read more »

Value of old Air Products model THF250ECP welder?

rating: 5

I am hoping to find the value of this old machine in order to sell it. I have had it for 25 years and it was used at the time I inherited it. Appreciate the help. Read more »

Rustbuster rod?

rating: 5

Does anyone have experience with the Rustbuster Rod by US forge. The user sheet claims it welds all dirty steels, all positions. The rod has a rough brown coating. Thanks, Will Read more »

Stove grate repair

rating: 5
  [ 2 ]

I just got a call from the guy I buy my compressed gasses from wanting me to weld up some cracks in a stove grate . I'm thinking plain phosphor bronxe filler might not take the heat , and am lo... Read more »

VFD/3ph Welder question?

rating: 5

Anyone know if a VFD can safely (without blowing itself out) run a 3ph welder? Ive a 25hp older VFD, which appears to be unused, and a 300 amp 3ph MIG welder. Is it possible to run the welder, from... Read more »

ER70s2 vs ER70s6 for TIG

rating: 5

I kind of had the impression that you used 70s6 for your run of the mill mild steel and 70s2 for things like 4130 tube. Recently watching some video on YouTube a fellow was showing off his skill... Read more »

Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.