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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November 25, 2014
Q: I get a lot of black smoke on the surface of my aluminum welds. What is it, and how can I get rid of it? A: I can tell you what the black smoke isn’t. It is not soot and it doesn’t contain carbon, as most people think. It is, in fact, a mixture of very fine particles of aluminum oxide and...
July 3, 2014
Q: I work for a job shop that fabricates and welds process piping for various applications. The pipes, made from A106-88a carbon steel and 304 and 316 stainless steel, are welded using GMAW, FCAW, and GTAW. We have been experiencing porosity, primarily on the weld starts. Our shielding gas is a...
May 13, 2014
Q: If a welder is no longer welding but he wants to maintain his qualifications period of effectiveness, we require four hours of production welding time to maintain that qualification. Four hours doesn’t seem quite long enough to stay in the groove. What say you? Jeff P. A: As a good...
January 25, 2011
On the wings of the Occupational Safety and Health Administration’s (OSHA) efforts to control the permissible exposure limit (PEL) of hexavalent chromium, the Environmental Protection Agency (EPA) has gone one step further. By July 25, 2011, the agency requires that metal fabricators comply with...
January 17, 2011
The NFPA-51 standard outlines how to properly store, transfer, and use industrial gases; how to handle such gases while they are in their gaseous or liquid phases; and how to implement storage, piping and distribution, and operating practices. While most safe practices are based on common sense, others may take volumes of technical reference, as specified in NFPA-51, to explain.
January 10, 2011
Women welders face many challenges, and one of the most overlooked is finding PPE that fits women welders properly, while providing them with a safe level of protection and allowing them to showcase their own personalities. Recently, some equipment manufacturers have stepped up their efforts to address this.