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.

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Part-time job brings full-time satisfaction

October 17, 2014

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After a career in welding and fabricating, Charlie Wolfe is semi-retired and working 25 hours a week at the local community college. However, his network of friends is vast and his reputation as a go-to guy for one-off projects and repairs is sterling, so he’s actually busier now then he was back when he worked 40 hours a week

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Fronius USA hires sales/application engineer

October 14, 2014

Fronius USA LLC, Portage, Ind., has hired Jeffrey Iley as sales/application engineer for its Southeast location. A veteran of the U.S. Navy, Iley is a graduate of Hobart Institute of Welding Technology and currently is pursuing his associate’s degree in welding engineering technology from...

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Weld shop 101

October 13, 2014

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According to the American Welding Society (AWS), there will be a shortage of approximately 290,000 welders in the U.S. by 2020. Education doesn’t fall on the shoulders of just high schools, community colleges, and technical programs, it also rests with industry professionals who have the space, equipment, and the expertise on staff to demonstrate the best practices. Arming educators with this information will only help make the next generation of welders that much stronger. For those of you who are in areas where getting hands-on training for industry leaders isn’t possible, here are a few questions educators tend to ask.

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Lincoln Electric hosts Girl Scouts for STEM learning event

October 10, 2014

Cleveland-based Lincoln Electric teamed up with the Girl Scouts of Northeast Ohio for a STEM learning program on Oct. 4, designed to introduce many of the girls to the welding and manufacturing fields. Girl Scout Cadettes in grades 6, 7, and 8 met with some of the women who help run Lincoln...

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Humans and machines: The possibilities are endless

October 9, 2014

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The strength of human will and spirit joined with the power and permanence of machines could be a fascinating future.

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Arc Welding 101: Negatives to whipping and weaving

October 9, 2014

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Q: When using GMAW on carbon steel materials 1/8 inch thick or greater, we use a whipping technique that you have described as a bad work habit. What are the negative effects of whipping or weaving?John S. A: As with many welding techniques, there is a time and place for everything, even whipping...

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Live welding guidance system helps welders establish proper technique

October 8, 2014

Realityworks® Inc. has introduced the guideWELD™ LIVE welding guidance system to its line of Real Career® welding products. The system takes the step from simulation to real life, providing live welding guidance to help users establish proper position and technique while welding. The system...

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Arc Welding 101: Sorting out SAW

October 8, 2014

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Q: What is the procedure qualification test for manufacturing pipe using submerged arc welding?Sandesh P. A: Pipe is manufactured by one of these four methods: electric resistance welding (ERW)/high-frequency induction (HFI) welding, seamless (plug/mandrel mill and extrusion), spiral welding, and...

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Ready Welder secures GSA contract

October 7, 2014

Ready Welder Corp. has been awarded a GSA Schedule 51-V contract (GS-21F-129BA) and now is certified to supply its portable battery-powered GMAW machine and supplies to the federal government through its electronic ordering system, GSA Advantage!® "Securing this GSA Schedule expands our public...

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Arc Welding 101: Satisfying the weld inspector

October 7, 2014

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Q: We have a stiffener bar (continuity connection) in a column that calls for AWS D1.1 BTC-P4 for the flanges and fillet welds on both sides in the web. The stiffeners were field-welded. After assembling 35 connections, we discovered no fillet weld on the bottom side in the web. We can’t weld the...

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Arc Welding 101: What's up with a WPS?

October 6, 2014

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Q: Do I need a welding procedure specification (WPS) for my company when it is just me and all I do is on-site portable welding of a wide range of items?Steven B. A: Whether your company requires a WPS depends on the customers you serve. For example, if your company is hired to fabricate your...

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Arc Welding 101: Vertical-up or -down in robotic welding?

October 3, 2014

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Q: We have a weldment that incorporates 0.375-in.-diameter steel rods and a 0.060-in.-thick sheet metal stamping of 1018 CR material. Each weld is the same, 0.75 in. long with a 0.25-in. fillet, perhaps including weaving. The assembly is fixture and welded robotically using GMAW with CO2 gas and...

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Arc Welding 101: Clearing up ASME B31.3

October 2, 2014

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Q: I am unclear about a section relative to the ASME B31.3 code for chemical plant piping.The area of this code referring to the type of welding process that is acceptable—328.2.2—states welding procedures qualified by others may be used, provided that the following conditions are met: The...

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Arc Welding 101: Tackling trim in pulsed MIG welding

October 1, 2014

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Q: We use the pulsed-spray-transfer GMAW process in our shop. When setting weld voltage, we can adjust the trim between 0.5 and 1.5. What do those numbers mean, and how do they relate to weld voltage?Corey G. A: Pulsed-spray-transfer welding equipment has challenged the conventional wisdom we’ve...

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Arc Welding 101: Which welds need visual inspection?

September 30, 2014

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Q: We work on off-road and lifting equipment, and our welders are qualified per AWS D1.1. Which welds are required to be inspected visually and by whom?Ed Z. A: When you asked which welds are required to be inspected visually, I had to snicker. There was a time in my life when one side of my hard...

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