Arc Welding

The arc welding technology area focuses on the most commonly used arc welding processes, mainly GMAW/MIG, GTAW/TIG, SMAW/stick, and plasma. The articles and press releases cover processes and power sources, plus all of the related items—electrodes and wire, wire feeders, fixtures, manipulators, positioners, and power sources. If you need information on personal protective gear, ventilation systems, and safety practices for welders, see our Safety coverage area.

Filter Content

Arc Welding 101: Play by the rules of welding

April 29, 2014

By:

Q: I have a problem with the B31.3 code: It seems to be costing us jobs. Recently we were in talks with a regular customer to do some copper brazing. When we made them aware of the requirements for pressure testing, they backed out. In their words, they didn't want to "go through all that." This is...

Continue Reading

Ohio Technical College, Lincoln Electric team up with Boy Scouts to promote Welding Badge

April 28, 2014

Ohio Technical College and Lincoln Electric have teamed with the Boy Scouts of America in northern Ohio to help Scouts earn the Welding Merit Badge. More than 150 Scouts had the opportunity to explore welding-related career paths, such as automotive, collision, restoration, diesel, and generator....

Continue Reading

Arc Welding 101: Is metal-cored MIG a suitable alternative for FCAW?

April 28, 2014

By:

Q: We are a job shop that builds shipping containers out of aluminum and occasionally steel. We have a steel job coming through that calls for flux-cored arc welding (FCAW). Is there an equivalent or alternative to FCAW available? Amanda M. A: I’m not aware of all the specifics of your...

Continue Reading

gas delivery

The economies of efficiency in gas delivery

April 28, 2014

By:

Continuous supply of gas to a fabricating activity is the goal of any shop. Fabricators may not realize that they have choices in gas delivery system design that help to ensure uptime is maximized.

Continue Reading

Arc Welding 101: Advice for quoting weldments

April 25, 2014

By:

Q: I am looking for some insight on the best approach, best practices, and industry standards for quoting weldments. There seems to be a great deal of information out there about deposition rates and travel speeds, but not a lot about the additional variables like clamping, part handling, cleaning,...

Continue Reading

But it’s only a quick fix

April 24, 2014

By:

It’s something welders hear all the time: “It’s a small job, just a quick fix,” meaning you’ll charge little if anything. It’s not that simple, not by a longshot.

Continue Reading

Arc Welding 101: Finding clues in the AWS D1.1 Commentary

April 24, 2014

By:

Q:The company that I work for makes a single-pass circumferential weld on which there is a minor tendency for an open pore in the weld crater at the tie-in. Our engineering department deems this weld discontinuity as a cosmetic issue only and thereby has authorized the use of a sealant. In the...

Continue Reading

Arc Welding 101: Passing a weld test

April 23, 2014

By:

Q: Why do good welders fail weld tests? Anonymous A: Sometime around 1981, when unemployment rates were near 9 percent and after I had moved around from one bad job to another, I was given the opportunity to take the welder qualification test at Cyde Iron Works in Duluth, Minn. Passing the test...

Continue Reading

Welding app helps optimize welding parameters

April 22, 2014

The Weld Wizard app from Fronius for Android®, iOS®, and Blackberry® devices helps welders, design engineers, and work schedulers to identify and optimize welding parameters. The results are directly applicable to the real-life situation. Embedded high-speed videos provide insight...

Continue Reading

Arc Welding 101: Use and identify tungsten electrodes correctly

April 22, 2014

By:

Q: Can you tell me how to identify tungsten after the paint is worn off? Anonymous A: The two most common processes that use a nonconsumable tungsten electrode are gas tungsten arc welding (GTAW) and plasma arc welding (PAW). These electrodes come in a variety of compositions or alloys, and...

Continue Reading

Arc Welding 101: Short-circuit MIG not prequalified in AWS D1.1? No problem …

April 21, 2014

By:

Q: The company I work for welds with GMAW-S, and all of the weld procedure specifications (WPS) that we have are from prequalified AWS D1.1 welds. When I look in D1.1, I find that GMAW-S is not a prequalified transfer mode. Are all of our WPSs null? If I understand D1.1 correctly, we would need to...

Continue Reading

Arc Welding 101: Grooming tips for welding equipment (and the men who use it)

April 21, 2014

By:

Instead of a Q&A column this issue, we’re going to talk PPE and hygiene. The idea was inspired by my wife Dianne, who bought me an issue of Esquire magazine before our trip to Oregon. She was adamant that I read it, so finally I picked it up. Among the advertisements for men’s fragrances,...

Continue Reading

Art of the Steel

April 21, 2014

By:

Welder Josh Welton, Brown Dog Welding, has found success far beyond the work he does in his shop. Through social media, Josh has created a brand in demand by an ever-increasing following. The latest venture in the shop’s evolutionary process is Art of the Steel, a book that features Josh’s metal art and more.

Continue Reading

Welding gear designed for female welders

April 16, 2014

Lincoln Electric has introduced the Jessi Combs Women’s Welding Gear Ready-Pak®. It includes essential PPE designed for female welders. The kit includes an industrial duffle bag, VIKING™ Jessi vs. The Robot™ 3350 series auto-darkening helmet, Jessi Combs Women’s...

Continue Reading

ESAB announces completion of Colfax’s acquisition of Victor Technologies Holdings

April 15, 2014

ESAB, Florence, S.C., a member of the Colfax group of companies, has announced that Colfax Corp. has completed the previously announced acquisition of Victor Technologies Holdings Inc., a global manufacturer of cutting, gas control, and specialty welding systems. Colfax is a diversified global...

Continue Reading