Practical Welding Today®

November/December 2010

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 November/December 2010 issue available online:

Aluminum Workshop: Common porosity problems (and how to fix them)

November 26, 2014

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Q: I’m having a lot of problems with porosity in my aluminum welds. Can you tell me what’s causing it? A: As we’ve said before, all porosity in aluminum welds is caused by hydrogen, which is very soluble in molten aluminum but insoluble in solid aluminum. Generally, hydrogen comes from two...

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Consumables Corner: Combating dull weld appearance with metal-cored stainless steel wire

July 7, 2014

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Q: We fabricate 401 stainless steel components and have considered using metal-cored stainless steel consumables. One of the issues with metal-cored consumables is the dull appearance of the weld compared to the appearance achieved with a solid wire. What can we do to maintain a clean or shiny...

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Arc Welding 101: Oscillation during welding - Why?

May 30, 2014

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Q: What are the reasons to oscillate a weld process? Vince H. A: Oscillation helps a steelworker using electroslag to fabricate components for San Francisco’s Bank of America building; it helped to minimize the arm fatigue of a pipefitter as he built Louisiana’s River Bend nuclear power...

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Face to face with hardfacing - TheFabricator.com

Face to face with hardfacing

November 23, 2010

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Selecting the appropriate hardfacing alloy can be an intimidating experience due to the variety of applications, service conditions, and base metals. Learning to ask the right questions will help you make the decision that best fits your application.

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Metal Sawing 101: Cold saws and band saws - TheFabricator.com

Metal Sawing 101: Cold saws and band saws

November 22, 2010

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The process of deciding between a band saw and a cold saw is not always clear-cut. Here are some short answers to this and other frequently asked sawing questions

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Tackling aluminum GMAW - TheFabricator.com

Tackling aluminum GMAW

November 22, 2010

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The reactive nature of aluminum to the welding arc, which is much more pronounced than that of other base materials, presents many challenges, including excess heat input and burn-through, porosity, poor bead appearance, poor fusion, and cracking. Technology advancements have made tackling these challenges easier by providing a balance of high travel speeds with a narrow, focused arc

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