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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ESAB to restructure Florence, S.C., manufacturing operations

July 14, 2009

ESAB Welding & Cutting Products announced today that it is restructuring its Florence, S.C., manufacturing operations to advance a global approach to supplying product and customer support. While the changes outlined today affect the company's employee base in Florence, the company wants to...

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gtaw poor gas coverage

The GTAW top 10

July 1, 2009 | By Brad Hemmert

Gas tungsten arc welding (GTAW) often is specified to meet strict aesthetic, structural, or code/standard requirements. The process is complex, and it is undisputedly the most difficult of all the welding processes to learn. The appearance of a GTAW bead can tell you a lot about what you're...

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Mechanized pipe welding system requires less welder skill and effort

June 30, 2009

The Piper Bug Pipe Welding System from Bug-O Systems is a digitally controlled programmable welding travel carriage integrated with Lincoln Electric® Invertec® V350-PRO Power Source. The Piper Bug features a positive rack and pinion drive system and a digital control box in which all...

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New services brochure available

June 16, 2009

Manchester Tool & Die Inc. offers a new 4-page brochure detailing its steel fabricating and production machining services, as well as the production machining and tube end forming services from BKB Manufacturing. The new literature details the capabilities available from Manchester Tool & Die,...

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Construction worker with grinder

Field welding repair

June 9, 2009 | By John Leisner

Welding to repair damaged components in broken equipment involves three stages, each of which must be performed meticulously to ensure that the machinery runs properly and the repair lasts a reasonable length of time. What are these stages, and what equipment do you need to complete them?

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Submerged arc flux designed for spiral pipe seam welding

June 9, 2009

Lincoln Electric has introduced Lincolnweld® SPX80 submerged arc flux, designed for ID and OD submerged arc spiral pipe seam welding. The flux features low-temperature impact properties, a smooth bead profile, self-peeling slag, high-speed welding capability, and H8 diffusible hydrogen...

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GMAW power sources designed to produce GTAW-like appearance

June 9, 2009

Thermal Arc® offers the PowerMaster® SP range of SmartMIG™, PulseMIG™, and TwinPulse® GMAW power sources. These fully digital, microprocessor-based machines offer precise weld control using intelligent pulsing and synergic wave design, the company reports.Simultaneous microprocessor control...

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330-amp welding torch handles extreme applications

June 9, 2009

Abicor Binzel has introduced the new Abi-Flux welding torch. Rated at 330 amps, the torch is suitable for extreme applications in pipeline construction, cladding, and rail-joint welding, as well as repair work.The torch is equipped with a quick-change, 360-degree-rotatable swan neck and a...

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AWS issues call for Image of Welding award nominations

June 9, 2009

The American Welding Society (AWS), Miami, has issued a call for entries in the 7th Annual Image of Welding awards program, which recognizes public initiatives and programs that promote the image of welding. The entry deadline is July 10.The program, presented by the AWS, an organization dedicated...

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Stick Welding

Stick welding fundamentals

May 26, 2009 | By Marty Rice

With instruction, some mild steel, the right welding rods, and a cracker box, the hobbyist can begin stick welding, also known as shielded metal arc welding (SMAW). Novice welders can learn more about the process by reading this article and by visiting the links shown at the end.

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bridge fabricator

Welding Update for Infrastruture:Building the bridge to anywhere

May 15, 2009

Stinger Welding Inc. has only been around for 12 years but quickly has established itself as a premier fabricator of bridges and bridge components in the southwestern U.S. Two years ago a projectinvolving an Oakland, Calif., bridge sent the company into thespotlight for its efforts in fabricating 12 girders in just eight days.

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Unicable's rotating power connection relieves stress

May 12, 2009

Tregaskiss has introduced the TOUGH GUN™ LSR (Low-Stress Robotic) unicable. It includes a rotating power connection that relieves stress caused by routine cable torsion and features a protective conduit to shield the cable components from harsh welding environments.The unicable has been...

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Aluminum filler metals meet AWS Specification A5.10

May 12, 2009

Hobart Brothers has added two new lines of aluminum solid welding wires and GTAW cut lengths to its McKay® brand of filler metals. The company joined in a strategic relationship with Maxal Aluminum to offer the new products.Smootharc™ 5356 is a magnesium-based alloy that provides good...

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Air compressor/generator/welding machine welds at up to 350 amps

May 12, 2009

Miller Electric Mfg. Co. has introduced the Trailblazer® 302 Air Pak™ gasoline engine-driven welding machine, generator, and air compressor. It is designed to serve as a self-contained power source that welds at up to 350 amps and provides 13,000 W of Accu-Rated™ generator power and...

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Portable DC welding machine comes with instructional setup/operation DVD

May 12, 2009

Thermal Arc offers the compact 95S packaged for SMAW and lift GTAW. The 10-lb. unit delivers 95 amps of power and comes with an instructional setup and operation DVD.The SMAW package includes an inverter welding power source, a Tweco® Weldskill®-style electrode holder with 10-ft. lead,...

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