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TUNGSTEN ELECTRODES

TUNGSTEN PURE – GREEN (WP)

Used mostly for AC welding of aluminium and magnesium and other less critical, low-current applications. It forms and maintains a clean, balled tip when heated and provides good arc stability with a reasonably good resistance to contamination. Typically not used for DC welding.

  • STANDARD ISO 6848 symbol: WP (W20)
  • Oxide addition: -
Art. Nr. Dimension Qt.
400P010175 1,0 × 175 mm 10
400P016175 1,6 × 175 mm 10
400P020175 2,0 × 175 mm 10
400P024175 2,4 × 175 mm 10
400P032175 3,2 × 175 mm 10
400P040175 4,0 × 175 mm 10
400P048175 4,8 × 175 mm 5

 



TUNGSTEN + THORIUM 2% - RED (WTh20)

Excellent for DC welding (both negative or positive polarity) on carbon steel, stainless steel, nickel and titanium. The most preferred electrode today for its long lifetime and ease of use. The Thorium improves arc ignition and allows for a higher current-carrying capacity. This electrode operates far below its melting temperature, which results in a significantly lower consumption and a greater arc stability. During welding, the Thorium is uniformly dispersed throughout the electrode, which helps the tungsten to maintain its sharpened edge. The Thoriated electrodes deposit less tungsten into the weld puddle than other types, reducing the weld contamination. Rarely used for special AC welding (very thin aluminium or materials less than 1,5 mm).

  • STANDARD ISO 6848 symbol: WTh20 (WT20)
  • Oxide addition: ThO2 - 2 %
Art. Nr. Dimension Qt.
400P210150 1,0 × 150 mm 10
400P216150 1,6 × 150 mm 10
400P220150 2,0 × 150 mm 10
400P224150 2,4 × 150 mm 10
400P232150 3,2 × 150 mm 10
400P210175 1,0 × 175 mm 10
400P216175 1,6 × 175 mm 10
400P220175 2,0 × 175 mm 10
400P224175 2,4 × 175 mm 10
400P232175 3,2 × 175 mm 10
400P240175 4,0 × 175 mm 10
400P248175 4,8 × 175 mm 5

 

TUNGSTEN + CERIUM 2% - GREY (WCe20)

This electrode performs best in DC welding at low current settings and works well also in AC processes. It has a good ignition and very good re-ignition at low amperages, good arc stability and long life. Very popular in such applications as orbital tube and pipe fabrication, thin sheet metal work, and jobs involving small and delicate parts. Best used to weld carbon steel, stainless steel, nickel alloys, and titanium, it is a great alternative to thoriated electrode. The use at higher amperages is not recommended because the cerium oxides migrate away, thereby negating their benefits.

  • STANDARD ISO 6848 symbol: WCe20 (WC20)
  • Oxide addition: CeO2 - 2 %
Art. Nr. Dimension Qt.
400P510175 1,0 × 175 mm 10
400P516175 1,6 × 175 mm 10
400P520175 2,0 × 175 mm 10
400P524175 2,4 × 175 mm 10
400P532175 3,2 × 175 mm 10
400P540175 4,0 × 175 mm 10
400P548175 4,8 × 175 mm 5

 

TUNGSTEN + LANTHANUM 1,5% - GOLD (WLa15)

This electrode combines the characteristics of ceriated electrode and thoriated electrode. Like ceriated electrode, it has an excellent arc ignition and an excellent re-ignition, and enable to maintain the arc easily at lower voltages with a good stability. It has an excellent current conductivity, very similar to thoriated electrode and can replace it without welding setting changes worth nothing. It works well on AC or DC electrode negative with a pointed end, or on AC sine wave power sources with a balled end. It maintains easily a sharpened pointed end well, with a benefit for welding steel and stainless steel on DC or AC from square wave power sources.

  • STANDARD ISO 6848 symbol: WLa15 (WL15)
  • Oxide addition: La2O3 - 1,5 %
Art. Nr. Dimension Qt.
400P910175 1,0 × 175 mm 10
400P916175 1,6 × 175 mm 10
400P920175 2,0 × 175 mm 10
400P924175 2,4 × 175 mm 10
400P932175 3,2 × 175 mm 10
400P940175 4,0 × 175 mm 10
400P948175 4,8 × 175 mm 5

 

TUNGSTEN + LANTHANUM 2% - BLUE (WLa20)

This is an all-purpose tungsten electrode that combines the best features of all the other electrodes. Excellent arc ignition and re-ignition, very good arc stability, excellent current conductivity, the best in maintaining the sharpened end, the longest lifetime. Suitable for the use both on AC or DC. Excellent performance both in low and high amperage applications. It works great for welding carbon steel, stainless steel, nickel alloys, aluminium, magnesium, titanium, cobalt, copper alloys, and all other metals. Perfect to replace, with a longer lifetime, thoriated electrodes in automated systems welding stainless steel on DC. Even during this intensive use, it maintains better the tip geometry.

  • STANDARD ISO 6848 symbol: WLa20 (WL20)
  • Oxide addition: La2O3 - 2 %
Art. Nr. Dimension Qt.
400P310175 1,0 × 175 mm 10
400P316175 1,6 × 175 mm 10
400P320175 2,0 × 175 mm 10
400P324175 2,4 × 175 mm 10
400P332175 3,2 × 175 mm 10
400P340175 4,0 × 175 mm 10
400P348175 4,8 × 175 mm 5
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