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

high carbon steel preheat

Beyond low-carbon steel

March 1, 2010 | By Mike Barrett

When welders tackle new materials, weldability should always be on their radar. Certain alloys aren't so kind to the welding gun.

Continue Reading


p and h mining

Tons of reasons for a new welding positioner

February 9, 2010 | By Dan Davis

P&H Mining equipment, Milwaukee, Wis., makes very large equipment, such as its largest electric shovel that weighs 1,200 tons. Shovel components keep getting larger, and to keep up with the market trends, the company needed a new welding positioner. That's a "big" deal in every sense of the word. Luckily, Koike Aronson Inc./Ransome was able to help.

Continue Reading

DC power sources designed for mechanized SAW, GMAW

February 9, 2010

ESAB Welding & Cutting Products has introduced the LAF DC power sources. The three-phase, fan-cooled DC welding power sources are designed for mechanized SAW or GMAW. They can be used in combination with the company's A2-A6 equipment and A2-A6 process controllers (PEK or PEI). All welding...

Continue Reading

Lucas-Milhaupt launches new Web site

February 9, 2010

Lucas-Milhaupt, a Handy & Harman Co. in Milwaukee, has established a newly designed Web site at www.lucasmilhaupt.com. It includes a knowledge base section that provides insight on brazing fundamentals, information on proper brazing procedures and joint design, and case studies. All of the...

Continue Reading

Structural welding design, specification seminars scheduled for spring

February 9, 2010

The Steel Structures Technology Center, Howell, Mich., has announced its spring 2010 seminar on the design and specification of welding for steel-framed structures using the AWS D1.1 Structural Welding Code - Steel, the AISC Specification for Structural Steel Buildings, and the AISC Seismic...

Continue Reading

Fronius announces staff additions

February 9, 2010

Fronius USA, Brighton, Mich., has hired Michael J. Ludwig as market segment manager for shipbuilding/platform/power generation for the welding division. He has more than 27 years of experience in the field of welding engineering. Ludwig's experience ranges from structural and bridge work to the...

Continue Reading

Virtual welder training system developed

February 9, 2010

Fronius has developed Virtual Welding, a training tool that consists of a simulated torch and workpiece, a PC, and a screen. The arc and the weld seam are virtual creations. A magnetic tracking system converts hand movements into a virtual world displayed on a screen or 3-D glasses. An extra sensor...

Continue Reading

Hard hat respiratory system retrofits to welding helmets

February 8, 2010

ArcOne's® new Clean-Air Flow™ respiratory system with hard hat is the first of its kind allowing welders to retrofit any ArcOne welding helmet into a hard hat respiratory system, the company says. Available in different configurations, the system has been developed from the ground-up...

Continue Reading


electrode good welding practices

Holding back the hydrogen

January 15, 2010 | By Tim Heston

Hydrogen cracking can send a project off schedule in a hurry. Here are ways to prevent it.

Continue Reading

Push-pull welding guns designed for aluminum fabrication, production welding environments

January 12, 2010

Lincoln Electric has introduced two push-pull welding gun models for aluminum fabrication and production welding environments.The Panther™ semiautomatic, gooseneck-style gun provides smooth wire feeding with dual-driven rolls for added pulling power without damaging the wire. It also features...

Continue Reading

SAW flux packaging for high-production applications introduced

January 12, 2010

ESAB Welding & Cutting Products has introduced the BigBag for delivering flux for high-production SAW applications. The woven polypropylene bag, which has a polyethylene inlay to prevent moisture pickup, contains 2,200 lbs. of flux. Secondary protection also is provided by a foil wrap on each...

Continue Reading

NEMA publishes three arc welding standards

January 12, 2010

The National Electrical Manufacturers Association (NEMA) has published three arc welding standards in the ANSI/IEC 60974 series.The standards are "Part 7: Torches"; "Part 11: Electrode Holders"; and "Part 12: Coupling Devices for Welding Cables." They join Parts 1, 2, 3, 5, and 8 of the series....

Continue Reading


gmaw guns consumables

GMAW guns and consumables

January 6, 2010 | By Andy Monk

Think GMAW guns and consumables don't have an impact on your final weld? Think again. By separating the myths surrounding GMAW guns and their consumables from the facts, you can ensure you're not compromising performance or weld integrity.

Continue Reading


gateway energy coke company

No purge, no problem

January 6, 2010 | By David Lucas

Although P91 offers many advantages for power generation in terms of strength and service life, it is more difficult to fabricate than traditional materials and many contractors shy away from it. Icon Mechanical, Granite City, Ill., is one such contractor. However, a chance to do some work on an energy system provided an opportunity to explore the potential of a nontraditional welding method that turned out to work well on P91.

Continue Reading

Robotic-ready pipe welding, cutting system welds pipe root, changes on-the-fly to pulse spray GMAW

December 15, 2009

Lincoln Electric Automation has introduced the latest generation of its RoboPipe™ system for automated carbon steel, stainless steel, and duplex stainless steel pipe welding and fabricating.The system is driven by the Power Wave® 455M/STT® welding machine, rated to deliver 450 amps,...

Continue Reading