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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Tig welder steel

Welding austenitic stainless steel

April 10, 2007

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Joining austenitic stainless steel with GTAW can be tricky, but with a little preparation and care, it can be done successfully. The three main factors are having the right amount of heat input, travel speed, and a shielding gas.

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A recycled dream

April 10, 2007

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A Tennessee artist and welder uses scrap metal parts to create one-of-a-kind metal sculptures.

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Auto-darkening welding helmets introduced

April 10, 2007

Miller Electric Mfg. Co. has introduced two auto-darkening welding helmet lines—the Pro-Hobby™ Series and Performance Series™. The Performance Series replaces the previous Xli and...

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GTAW TIG/Stick inverter power source features high-speed pulsing

April 10, 2007

Miller Electric Mfg. Co. has introduced its Maxstar 350 DC GTAW/Stick inverter. Compared to the previous model, the welding machine offers high-speed pulsing capabilities (now up to 5,000 pulses per...

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GMAW machines suitable for light-duty applications

April 10, 2007

Lincoln Electric's four new Power MIG®l 140 and 180 models offer a compact welding system for professional welders and home hobbyists alike.The company's Diamond Core Technology® and a rugged...

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Power source designed for push-pull systems

April 10, 2007

MK Products has introduced the CobraMig® 400P, a pulsed GMAW welding power source that works with the Cobramatic wire feed push-pull technology.Exclusive CobraMig® 400P software algorithms...

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Inverter pulse welding power supply introduced

April 10, 2007

Daihen Inc. recently unveiled the DW300 AC GMAW digital inverter welding power supply.The power supply is suitable for thin to medium thickness and uses AC GMAW technology to control heat input and...

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AWS conference addresses joining dissimilar metals

April 10, 2007

Industry secrets and emerging technologies that are transforming the science and practical application of joining unlike metals will be showcased at the Joining Dissimilar Metals Conference, hosted by...

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Joining incompatible materials

April 10, 2007

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Certain metal combinations cannot be joined successfully with fusion welding. Deciding how to join them requires examining options, including potential material substitutions and process possibilities. This article discusses these options and offers a blueprint for the best solution.

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Brazing diagram

Brazing copper and copper alloys

March 13, 2007

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It is important to be able to identify when brazing is suitable for joining copper or copper alloys, how it is applied, and which filler metals to use.

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Self-propelled truck makes welding machine mobile

March 13, 2007

The Weld-N-Go self-propelled welding truck from N-Go Industrial Trucks combines the power of a welding machine with turning agility and utility vehicle performance. It accommodates different welding...

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Wire designed to ease cleanup

March 13, 2007

Hobart Brothers offers its Fabshield 21B self-shielded flux-cored wire designed to ease post-weld cleanup and increase portability.Suitable for general-purpose welding, light fabrication, and use on...

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GMAW machine enhanced

March 13, 2007

The new Millermatic® 180 all-in-one GMAW machine features Smooth-Start™ technology to initiate the arc in a more controlled manner, providing smooth, spatter-free starts for improved quality...

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Magnetic holder protects welding torch, keeps it handy

March 13, 2007

HTP America Inc. has introduced TIG and MIG torch holders specially designed keep the torch at arms length and prevent it from falling on the floor.The compact holder magnetically attaches to the...

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System automates single-, multiple-head welding, cutting

March 13, 2007

Gullco's KAT Travel Carriage System is designed to automate and improve quality in single-or multiple-head welding and cutting uperations.Welding guns and torches are mounted on the carriage, which...

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