The Tube & Pipe Journal®

April/May 2005

TPJ - The Tube & Pipe Journal® became the first magazine dedicated to serving the metal tube and pipe industry in 1990. Today, it remains the only North American publication devoted to this industry and it has become the most trusted source of information for tube and pipe professionals. Subscriptions are free to qualified tube and pipe professionals in North America.

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Selected articles from the April/May 2005 issue available online:

Using AC for Al

April 11, 2005


Figure 1Orbital gas tungsten arc welding (GTAW) has been used in many industries since its introduction in the 1950s. Developed by the aerospace industry for welding small fittings to tubes, the process was limited by its large power supplies and cumbersome fixtures suited only to workshop...

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Tension control in tube and pipe production

April 11, 2005

By: ,

On a tube or pipe mill, the incoming strip is formed by about 24 pairs of tool stands. To help ensure such a line runs smoothly, the strip must be pulled between every pair of stands. The parameter that indicates if or how much the strip is pulled is tension.Traditionally, tension is controlled by...

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