Specification Brand : CK Worldwide BulletPoint1 : 1.5% Lanthanated (Gold) EWLa-1.5/WL15 BulletPoint2 : Principal Oxide: 1.3 –1.7% Lanthanum Oxide BulletPoint3 : Non-Radioactive. Best for use in Direct Current (D/C) as an alternative to 2% Thoriated using inverter or transformer based constant current power sources. BulletPoint4 : Best for non corroding steels, titanium alloys, nickel alloys, copper alloys. Best D/C arc starts and stability, low erosion rate, wide amperage range, no spitting. ExternallyAssignedProductIdentifier1 : 0720340088383 ExternallyAssignedProductIdentifier2 : 720340088383 HandOrientation : Ambidextrous ItemName : CK T0407GL 1.5% Lanthanated Tungsten Electrode .040" X 7", 10 pack ItemPackageQuantity : 10 ItemTypeKeyword : arc-welding-stick-electrodes Manufacturer : CK Worldwide Material : carbon steel NumberOfItems : 10 PartNumber : T0407GL ProductDescription : 1.5% Lanthanated Tungsten provides excellent arc starting, arc stability, and re-ignition. It is also less prone to tip wear. It is composed of 97.8% Tungsten, 1.3%-1.7% Lanthanum, and .5% other. Materials Welded- Carbon Steel, Stainless Steel, Nickel Alloy, and Titanium. Package of 10 ProductSiteLaunchDate : 2014-09-26T02:46:37.524Z Size : 1 Count (Pack of 10) UnitCount : 10