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Building bridges
Publish date: January 9, 2012 |
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Don’t junk it, make it betterBy using today’s new alloys, you can cut costs, extend equipment use, and actually improve products. Here are some examples of how this can be done by welding with aluminum bronze (CuAl).
Publish date: October 10, 2011 |
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What is abrasion-resistant material?Creating welding procedures for abrasive-resistant (AR) materials can be difficult because many of them do not conform to ASTM,ASME, or SAE standards for chemical or mechanical properties. However, these materials can be welded successfully.
Publish date: July 21, 2011 |
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Basic metallurgy for weldersWelders do not have to be metallurgy experts, but they do need to be knowledgeable about the chemical, mechanical, and physical properties of different materials.
Publish date: April 6, 2011 |
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How metal production affects the welding processWelders may recognize that when porosity is present, the cause isn’t always the shielding gas, welding filler, or operator error. It can be caused by the steel production method, which can introduce porosity and other flaws.
Publish date: January 11, 2011 |
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Upfront welding inspection considerationsWelding inspection involves much more than simply checking the accuracy of welds after they are made. Inspectors must be knowledgeable about codes, standards, materials, and other fabricating processes.
Publish date: July 7, 2010 |
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Just plain carbon steel — What is it?Is there any such material as plain carbon steel? Is so, what is it, what's its chemical composition, and which applications are best-suited for its use?
Publish date: March 9, 2010 |
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Scrubbing our industryToday's industrial scrubber technology can help make existing energy companies more environmentally friendly. Fabricators with the right equipment, capacity, knowledge, and opportunity might find a new market in making components for these systems. Find out what it takes.
Publish date: October 13, 2009 |
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Is cast iron just cast iron?Cast iron comes in many different types with different properties. Not all can be welded, cut, or machined in the same way, and some types are better suited for specific applications than others. This article discusses the most common types and how to use them.
Publish date: April 28, 2009 |
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The root causes of weld defectsBad welds can be traced back to poor workmanship, poor design, or a little of both.
Publish date: October 28, 2008 |
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ASME and AWS welding codes—Similarities and differencesWelding codes are designed to improve the quality and efficiency of welding and are used to qualify welders. Predominate among welding codes in the U.S. are those authored by ASME and AWS. This article provides a brief overview of the similarities and differences in these codes.
Publish date: August 26, 2008 |
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Rebuilding the infrastructure
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Why welders need advanced trainingBecoming a skilled welder involves both hands-on and technical training from secondary and postsecondary instruction. Who should teach what and when to ensure that today's welders have the necessary skills? Longtime welder and welding professor Carl Smith shares his views.
Publish date: July 10, 2007 |