None other than America Alloy (AA) provides the AA grade Tungsten! Welder's choice, tested good and reliable quality. You are on the page of America Alloy(AA) 10pcs GTAW / TIG Welding Tungsten Electrodes 1% Lanthanated EWLa-1 / WL10 Tungsten rods Features: High grade tungsten electrodes for Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG) welding, 1% Lanthanated EWLa-1 / WL10 Tungsten A ten (10pcs) pack of premium 1% Lanthanated EWLa-1 (or ISO WL10) in ground finish Outstanding resistance from weld pool contamination, stable ARC and easy starting capabilities Generally used for Direct Current(DC) straight polarity (Electrode Negative) applications Conforms to American Welding Society standard A5.12M/A5.12:2009,ISO6848 and EN26848 Description: Lanthanum-Oxide Tungsten Electrodes Electrodes with lanthanum oxide (lanthana) added (WL or EWLa) provide similar benefits to cerium oxide, namely improved arc stability and starting while reducing burn off when compared to pure tungsten electrodes. A 1-2% lanthanum oxide alloy is considered a universal tungsten electrode. With similar conductivity characteristics to 2% thoriated tungsten, 1.5% lanthanated tungsten is a good replacement for thoriated tungsten electrodes when the latter is not dictated by code. Lanthanated tungsten electrodes with a pointed end work well for DC negative electrode and AC square-wave power sources. Electrodes with ball-shaped ends work well with AC sine wave power sources. 1% lanthanum-oxide tungsten electrodes are color coded black (ASW and ISO), and 1.5% are color coded gold (ASW and ISO). We take care of our customers! Contact us if you have any questions!
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