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Products >> A5.12, TUNGSTEN Electrodes for Arc Welding, A5.12

 

EWLa-1 (1.5% Lanthanated)

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EWLa-1.5 designates a tungsten electrode containing 1.3-1.5 wt-% of dispersed lanthanum oxide (La2O3) for enhanced are starting and stability, reduced tip erosion rate, and extended operating current range.  These electrodes can be used as non radioactive substitutes for 2% thoriated tungsten as the operating characteristics are very similar.  Lanthanated tungsten can be used for both DC and AC application.

 

 Chemical Composition Requirements

AWS A5.12M/A5.12:2009

Principle Oxide Addition

Mass Percent Oxide Addition

Impurities, Mass %

Tungsten, Mass %

Color Code

La2O3

1.3 to 1.7

0.5 Max

Balance

Gold

 

 

 

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Products >> A5.12, TUNGSTEN Electrodes for Arc Welding, A5.12

 

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