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

In accordance with the following table, tungsten electrodes shall be marked on the basis of their chemical composition, with one color ring near one end of the electrode. The width of the color ring shall be at least 3mm [1/8 in]. Such color coding shall have no adverse effect on the operation or use of the electrode. Alternatively, tungsten electrodes may have their classification symbols marked on the surface of the electrode near at least one end of the electrode.

The ‘Chemical composition requirements for tungsten electrodes’ table is shown as bellow




 

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