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Lanthanum tungsten electrode(WL20)

Lanthanum-tungsten electrode contains 0.8%-2.2% Lanthanum trioxide,which is easy to arc at low current. Mainly used for direct current welding.It also performs well in AC welding.

Category:

Tungsten Electrode

Key words:

Lanthanum tungsten electrode(WL20)

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Product Parameters

Product Description

Lanthanum-tungsten electrode contains 0.8%-2.2% Lanthanum trioxide,which is easy to arc at low current. Mainly used for direct current welding.It also performs well in AC welding. If there is no overload current, the lifetime of lanthanum-tungsten electrode is longer than that of thorium-tungsten electrode.Especially good at preventing thermal shock.

Size Specification

Diameter X Length

Specification I

Specification II

1.0mm x 150mm

1.6mm x 150mm

2.0mm x 150mm

2.4mm x 150mm

3.0mm x 150mm

3.2mm x 150mm

4.0mm x 150mm

4.8mm x 150mm

1.0mm x 175mm

1.6mm x 175mm

2.0mm x 175mm

2.4mm x 175mm

3.0mm x 175mm

3.2mm x 175mm

4.0mm x 175mm

4.8mm x 175mm

Basic Characteristics

Model	Added Impurity	Impurity quantity(%)	Tungsten(%)	Electric discharged power	Color sign
WL10	La2O3	0.8-1.2	The rest	2.8-3.2	Black ■
WL15	La2O3	1.3-1.7	The rest	2.8-3.0	Golden Yellow ■
WL20	La2O3	1.8-2.2	The rest	2.6-2.7	Sky blue ■