April 10, 2007 | By Mike Sammons
Joining austenitic stainless steel with GTAW can be tricky, but with a little preparation and care, it can be done successfully. The three main factors are having the right amount of heat input, travel speed, and a shielding gas.
January 9, 2007 | By Mike Sammons
Not every welder uses a gas lens on his or her GTAW torch, but gas lenses should be considered for a variety of applications and for several reasons. Knowing what a gas lens does, how to choose one, and how to install and take care of one are critical to getting the most benefits out of it
March 7, 2006 | By Mike Sammons
Choosing one of the six commonly available tungsten electrodes is a crucial first step in successful gas tungsten arc welding (GTAW). In addition, tip preparation is critical. The electrode choices are pure tungsten, 2 percent thoriated, 2 percent ceriated, 1.5 percent lanthanated, zirconiated, and rare earth. The end preparations are balled, pointed, and truncated.
July 12, 2005 | By Mike Sammons
Several small but crucial components—back caps, collets and collet bodies, gas lenses, and nozzles—are key components in enhancing GTAW productivity. These components are available in a variety of styles and sizes. Optimizing these consumables can help to optimize welder uptime.
February 8, 2005 | By Mike Sammons
Experienced welders know that without the right information, it's easy to sacrifice quality, lose time, and generally become frustrated with gas tungsten arc welding (GTAW). And while there is merit in learning by trial and error, if you want to move toward precision GTAW, getting answers to 10...
February 19, 2001 | By Mike Sammons
Aluminum is a real challenge to weld, especially for beginners. A knowledge of the gas tungsten arc welding equipment that is available to do the job as well as required accessories, preparation tips, and proper techniques is a good thing to have before jumping in.