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Gas Tungsten Arc Welding (GTAW) - DVD

Item #: MD-43939
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GTAW is also known as TIG or tungsten inert gas welding, and uses a nonconsumable electrode to make high-quality welds on both ferrous and nonferrous metals. This video shows students how to properly and safely apply GTAW techniques. Pointing out tungsten’s high melting temperature (the highest of any metal) and the general advantages of GTAW, the video explains AC or DC power source options as well as other system components, including the torch, foot switch, shielding gas, and ground clamp. Viewers learn how to select and prepare the right electrode (an AWS chart is illustrated), how to ensure safe working conditions, and how to set up the GTAW system for quality welds. An advanced segment covers joint types from butt to tee and helps troubleshoot problems like excessive tungsten wear, tungsten spitting, a porous weld, and an unstable arc. Correlates to all National CTE Organizational Standards (including the provisions of the Perkins Act).
ISBN UPC: 9781621023296
Format: DVD
Copyright: 2012
Length: 24 minutes

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