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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Automatic orbital welding simplified - TheFabricator

Automatic orbital welding simplified

August 4, 2010 | By John Glessman

Automatic orbital gas tungsten arc welding is used in a variety of industries in which maximum leak integrity, high performance, or ultra-cleanliness is important. Automatic orbital welding provides enhanced precision and reliability compared to manual techniques. Small, portable inverter power supplies, advanced control systems, and other advancements have made orbital welding systems practical for a range of applications.

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Accelerating business with EB welding - TheFabricator

Accelerating business with EB welding

July 16, 2010 | By Amanda Carlson

Thanks to a specific vision and a high-end equipment purchase, C.F. Roark Welding & Engineering Co. Inc. is anything but ordinary. Founded in 1949, the company specializes in electron beam (EB) welding of complex, specialty parts and components for the aerospace, defense, and research industries. In a short amount of time it has carved a niche as the premier EB welding firm of the Midwest.

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Autogenous orbital GTAW of large, high-purity tubes - TheFabricator

Autogenous orbital GTAW of large, high-purity tubes

July 15, 2010 | By Barbara K. Henon, Y.K. Tan

Autogenous orbital welding on large projects has become nearly routine with large numbers of successful welds completed with very low reject rates. Thus it is very easy to become complacent. However, installers need to be alert to potential problems and take immediate action when a problem occurs.

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Welding wire feeders recalled by Star Asia USA because of burn hazard - TheFabricator

Welding wire feeders recalled by Star Asia USA because of burn hazard

July 14, 2010

The U.S. Consumer Product Safety Commission, in cooperation with the firm named below, has announced a voluntary recall of the following consumer product. Consumers should stop using recalled products immediately unless otherwise instructed. It is illegal to resell or attempt to resell a recalled...

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Autodarkening helmet has 2.5 light state, 10.5 dark state

June 21, 2010

A new addition to the ArcOne® Carrera™ program is the Tradesman® single-shade, autodarkening helmet. It packs a light state of 2.5 with a dark state of 10.5. The racing-style helmet weighs 14 oz. and has the highest level of eye protection, the company...

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Lincoln Electric promotes two to global industry segment positions

June 14, 2010

The Lincoln Electric Co., Cleveland, has named Peter Pletcher as director, global consumable development, and Ferry Naber as director, global machine development. Both are new positions within the company's global marketing and product development organization. Pletcher, based in Cleveland, is...

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Thermadyne adds to marketing, sales force

June 14, 2010

Thermadyne Industries Inc., St. Louis, a manufacturer and marketer of metal cutting and welding products, has announced that Tony Coco, Bill Wehrman, and Vickie Marshall have joined the company's marketing and sales team. As director of channel marketing and national accounts, Coco is...

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Prioritzing U.S. infrastructure needs

June 11, 2010 | By Amanda Carlson

Author and co-founder of New America Foundation gives his insights regarding the U.S.'s crumbling infrastructure and provides tangible ways the federal government can address the situation.

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welded clock

Building a stronger welding program

June 7, 2010 | By Don Knight

Bellingham Technical College launched its Welding Rodeo in 2002 to spur enrollment and raise its public profile. Now one of the premier welding competitions in the Pacific Northwest, the event has helped the school triple its enrollment in welding and expand its program/skill offerings.

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Multiprocess welding machine delivers up to 500 amps

June 7, 2010

Lincoln Electric has introduced the Flextec™ 450, a multiprocess welding power source designed for fabrication, construction, automotive, production, and educational applications. The new machine features Lincoln’s Flexible Technology™, which delivers up to 500 amps of welding power. The...

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High-frequency electric resistance welding: An overview - TheFabricator

High-frequency electric resistance welding: An overview

June 1, 2010 | By Jeff Pierson, Mike DiDonato

Architects and engineers are designing structures with new and innovative shapes. To meet these ever-changing requirements, manufacturers may turn to solid-state, high-frequency electric resistance welding (HF ERW) to produce engineered structural sections at high speeds with unlimited beam profiles, better structural performance, and with lighter weights.

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Wire welding in the structural steel world - TheFabricator

Wire welding in the structural steel world

June 1, 2010 | By Amanda Carlson

Many structural steel fabricators are loyal to shielded metal arc welding (SMAW). But technology advancements in the wire feed process known as flux-cored arc welding (FCAW), paired with an increasingly competitive market, have changed the landscape of structural steel environments, and by extension the opinions of the most loyal SMAW users.

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Welder 'Bob' dedicated as Hobart Institute celebrates 80 years - TheFabricator

Welder 'Bob' dedicated as Hobart Institute celebrates 80 years

June 1, 2010

Hobart Institute of Welding Technology in Troy, Ohio, has unveiled "Bob," a bronze sculpture that stands at the entrance to the school, as part of the activities celebrating the institute's 80th anniversary. Sculpted by Gregory Johnson of Cumming, Ga., and cast by Eagle Bronze Foundry of Lander,...

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single arc saw - twin wire

Improving productivity with submerged arc welding

May 25, 2010

Submerged arc welding (SAW) can be performed in various ways, from the simplest process using a single wire and DC power to more advanced twin-wire and tandem operations. Choosing the right SAW process for your operation can help you increase deposition rates and productivity.

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Liquid propane gas welding machine allows users to switch seamlessly between multiple processes

May 17, 2010

Designed for maintenance, repair, and construction, Lincoln’s Ranger® 305 LPG is an engine-driven welding machine that allows users to switch seamlessly between multiple processes. While liquid propane gas (LPG) is less common, it is required when operating in areas where gasoline and diesel...

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