Practical Welding Today®

January/February 2003

Practical Welding Today® was created to fill a void in the industry for hands-on information, real-world applications, and down-to-earth advice for welders. No other welding magazine fills the need for this kind of practical information. Subscriptions are free to qualified welding professionals in North America.


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Selected articles from the January/February 2003 issue available online:

Aluminum Workshop: Choosing tungsten electrode type, size for aluminum TIG

February 27, 2003

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Q: I've heard different opinions about which size and type of tungsten electrode I should use to gas tungsten arc weld (GTAW) aluminum. Could you clear up this subject for me?A: As you know, we use direct current electrode negative (DCEN), or straight polarity, to weld steels and stainless steels....

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It's all about why

February 27, 2003

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Talk about a can of worms ... From crystalline structures to phase diagrams and interstitial solutions, from microstructures to allotropic transformations, it sometimes seems that for every question metallurgy can answer, for every problem it can solve, it creates two more.

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Optimizing repair welding in oil refineries

February 27, 2003

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A refinery is a complex array of pressure vessels, piping, structural carbon steel, and other components that depends on welding for its structural integrity. A minor problem can have enormous cost and safety implications.

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KNOWLEDGE: The key to welding productivity?

January 16, 2003

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In the year 2000 manufacturing, construction, and mining industries had $34.1 billion worth of welding-related expenses. At the same time more than a half million people in the U.S. had welding-related jobs -- and that's not counting self-employed and nonproduction welders.

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Investigating applications, hardware, collision protection, and height control

January 16, 2003

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Using orbital welding equipment led to productivity gains in one of the nation's first fusion-welded underground pipelines.

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Keeping an eye on safety: how to protect welders from eye injuries

January 16, 2003

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Using orbital welding equipment led to productivity gains in one of the nation's first fusion-welded underground pipelines.

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