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TUNGSTEN ELECTRODE

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Tungsten Type   Pure 2% Ceriated 2% Thoriated 1.5% Lanthanated 2% Lanthanated 0.8% Zirconiated
Color   Green Grey Red Gold Blue White
Designation ISO 6848 WP WC20 WT20 WL15 W WL20 WZ8
Designation AWS A5.12 EWP EWCe-2 EWTh-2 EWLa-1.5 EWLa-2 EWZr-8
Chemical Composition Impurities ≤0.1% Oxide Additive CeO2: 1.80-2.20% ThO2: 1.70-2.20% LaO2: 1.30-1.70%≥ La2O3: 1.80-2.20% ZrO2: 0.70-0.90%
Chemical Composition Impurities ≤0.1% Tungsten ≥99.95% ≥97.30% ≥97.30% ≥97.80% ≥97.30% ≥98.60%
Product Number 1.0 x 150 mm K400/100 K400/110 K400/120 K400/130 K400/130A K400/140
Product Number 1.6 x 150 mm K400/102 K400/112 K400/122 K400/132 K400/132A K400/142
Product Number 2.0 x 150 mm K400/101 K400/111 K400/121 K400/131 K400/131A K400/141
Product Number 2.4 x 150 mm K400/103 K400/113 K400/123 K400/133 K400/133A K400/143
Product Number 3.2 x 150 mm K400/104 K400/114 K400/124 K400/134 K400/134A K400/144
Product Number 4.0 x 150 mm K400/105 K400/115 K400/125 K400/135 K400/135A K400/145
Product Number 4.8 x 150 mm K400/106 K400/116 K400/126 K400/136 K400/136A K400/146
Product Number 6.0 x 150 mm K400/108 K400/118 K400/128 K400/138 K400/138A K400/148