In this article, I have discussed some fundamental aspects of a Welder Performance Qualification in accordance with ASME Section IX. The article begins with some of the very basic questions such as what it means to qualify a welder, why should a welder be qualified at all, how to document a welder’s qualification etc. The … Read more
ASME Section III Part NB, that deals with construction of Class 1 nuclear equipment, requires that all welding materials that is used in the construction of Class 1 equipment conform to the requirements of NB 2400. The Certificate Holder must ensure several aspects in procurement of these materials to ensure conformance to NB 2400. One … Read more
Non-consumable tungsten electrodes for GTAW (Gas Tungsten Arc Welding) or TIG (Tungsten Inert Gas) welding, generally are of several types. Types Of Tungsten Electrodes Tungsten electrodes types and their typical application can be identified by color-coded end marks as follows. Pure Tungsten Electrodes Pure tungsten electrodes are generally used on less critical welding operations than the tungsten electrodes … Read more