Practical Welding Today®

September/October 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 September/October 2003 issue available online:

Making steels stronger

October 9, 2003

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When it comes to modifying a steel's strength and hardness, it's important to not confuse hardness with hardenability and remember that hardenability characteristics are important because they help identify how much a specific steel will harden during welding.

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Identifying the right cutting and welding tips

October 9, 2003

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The tip of a welding or cutting torch is where the action is (see Figure 1). Welding tips usually produce positive pressure (higher than 1 pound per square inch [PSI]) and are used at equal pressures of acetylene and oxygen. These single-hole copper-alloy tips are attached to a torch handle...

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Choosing a GMAW machine for occasional aluminum welding

September 25, 2003

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I want to buy a small gas metal arc welding (GMAW) machine, preferably one that runs from 120-V input power. Most of my welding will be steel, but I would like to weld aluminum occasionally. Can these machines really weld aluminum? I've heard a lot of different opinions. Some companies claim their...

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Budget cuts hit welding hard

September 25, 2003

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Bill Garner is outraged when he hears that Connecticut, where he teaches welding, would rather import welders than keep adult vocational education programs that train the state's own residents."I don't think that the people making this decision understand that welding is used in business today,"...

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Supporting the defense

September 25, 2003

United Defense's motto is Changing the future of defense™. One of its latest missions toward this goal was to introduce a direct diode laser into its Aberdeen, S.D., manufacturing facility.The company designs, develops, and produces combat vehicles, artillery, naval guns, missile launchers,...

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