Specification for Tungsten and Oxide Dispersed Tungsten Electrodes for Arc Welding and Cutting Classification

The following are several points on specification for tungsten and oxide dispersed tungsten electrodes for arc welding and cutting normative references:

1. Classification of a tungsten electrode is based on its chemical composition.

2. The tungsten and oxide dispersed tungsten electrodes covered by this specification are classified using a system that is independent of the U.S. Customary Units and the International System of Units (SI). Classification is according to the chemical composition of the electrode as specified in Table 1.See Clause B7 for classification descriptions.

3. Electrodes classified under one classification shall not be classified under any other classification in this specification.

4. No electrode meeting the requirements of any other classification shall be classified under EWG.

5. The electrodes classified under this specification are intended for gas tungsten arc welding (GTAW), as tungsten arc cutting(GTAC), plasma arc welding (PAW), or plasma arc cutting (PAC), but that is not to prohibit their use with any other process for which they are found suitable.



 

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