Arc Welding Articles

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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Effects of shielding gas

7 effects of shielding gas

January 9, 2007

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Depending on your application, various components of your shielding gas blend can help or hurt you. Find out what effects shielding gas has on your weld and what you can do to get the best results.

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Plasma Arc Welding

P is for plasma, precision

December 12, 2006

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Plasma arc welding (PAW) is very similar to gas tungsten arc welding (GTAW), but its highly concentrated arc makes it very different - and not necessarily the best process for every application. A close look at its characteristics and equipment will help you decide if it's right for your applications.

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race car welding

Drive fast, weld right

November 7, 2006

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Of all the fabrication tools necessary to build -- and repair -- race cars, welding equipment is one of the most essential. To keep a race car together, safe for drivers, and at its competitive best, welding and metallurgy come into play every day in the motorsports industry.

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hybrid-welding-diagram

Joining GMAW and GTAW

November 7, 2006

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One form of hybrid welding combines both GMAW with a GTAW process in a welding torch. An electronic interface unit containing a plasma power supply controls the hybrid process. Research has indicated that such an approach to welding leads to faster welding times, deep penetration, and cleaner welds when compared with conventional GMAW technology.

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Starting a portable GTAW business Part IV: Stainless steel, aluminum tips

September 12, 2006

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This article, the last of a four-part series about establishing a portable GTAW business, covers helpful tips for working with stainless steel and aluminum, including weld prep and the proper welding techniques. It also offers advice about hiring help and purchasing liability insurance for your business.

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Improve your GTAW in 3 steps

September 12, 2006

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Once you know some basic information about the equipment on the front of your GTAW torch, you can get the right parts for your application and start improving your welding performance.

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GMAW guns: More than a commodity

September 12, 2006

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Many welders think of GMAW guns as just a commodity. However, all of the parts in a GMAW gun have a direct impact on the time it takes to make a weld and its quality.

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Starting a portable GTAW business

September 12, 2006

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Thinking about starting your own portable GTAW business? This installment in a series about this topic focuses on the potential customer base and the welding repair needs of specific segments. It also offers pricing tips for various jobs.

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Starting a portable GTAW business Part III: Dos and Don'ts

August 8, 2006

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This article is part of a four-part series about establishing a portable GTAW business. It covers the dos and don'ts of business practices, safety, and welding, and includes tips that can help you retain customers and grow your business. Following these practical guidelines can help your business succeed.

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Theme railings can equal higher earnings

August 8, 2006

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With careful planning and proper estimating, fabricating commissioned metal gates and railings can be a lucrative endeavor. This article describes the process for designing, pricing, and creating these unique and often intricate structures based on client preferences. It includes examples of beautiful pieces constructed from copper, flat steel, and iron.

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Starting a portable GTAW business Part I: Know your tools and skills

July 11, 2006

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Starting a portable GTAW business takes a lot of hard work and dedication, but it also takes the basics of knowing how to start it. It's important to learn about what equipment you need, how to set it up, and how to evaluate your welding before you take your first job.

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Starting a portable GTAW business Part II: Know your customers

July 11, 2006

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Thinking about starting your own portable GTAW business? This installment in a series about this topic focuses on the potential customer base and the welding repair needs of specific segments. It also offers pricing tips for various jobs.

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Arc welding discontinuities

July 11, 2006

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Welding discontinuities can affect product performance and longevity. Thoroughly understanding the various defects, their causes, severity, and remedies can help ensure high-quality and superior performance. This article presents an overview of welding defects and discusses design strategies to help prevent them.

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Poor Boy Blacksmith

June 13, 2006

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Generations ago blacksmiths served long apprenticeships and acquired the knowledge to make their own tools. Today blacksmithing often is pursued by untrained hobbyists who need economical tools. This article is about a seasoned blacksmith who uses his skills to make tools and then markets them using the latest technology.

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Metal fabricating in a new millennium

May 9, 2006

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The forming and fabricating of the 925-foot BP Pedestrian Bridge located at the east section of Chicago's Millennium Park, and the Jay Pritzker Pavilion is explored.

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