1230 – Tubular 60% Tungsten Carbide Electrode

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INTERNATIONAL CLASSIFICATIONS

DIN 8555: E21-UM-65-G

EN 14700 EFe20

FEATURES & APPLICATIONS

Ideally suited for overlaying mining and earth moving equipment.Excellent for wire saws and other edges requiring cutting action combined with abrasion resistance.

  • Tungsten carbide overlay within a high carbon steel matrix.
  • Specially selected carbides for maximum cutting action.
  • Extremely high percent of tungsten carbide.
  • Primary carbides provide maximum cutting action, while secondary carbides dissolves to strengthen matrix.

 

All Weld Metal Analysis (Typical Weight %)

Flux Color: Charcoal Grey

WC Mn Fe
60 1.0 bal

 

Typical Mechanical Properties

Undiluted Weld Metal Maximum Value Up to:

Carbide Hardness VPN 1200

Matrix Hardness RC 65-69

Coverage Approx. 30 sq inches (1/16 thick)

Deposition Efficiency Greater than 90%

Welding Current & Instructions

Recommended Current: DC either polarity or AC

Diameter (mm)

1/8 (3.25)

5/32 (4.0)

3/16 (5.0)

Minimum Amperage

70

100

150

Maximum Amperage

120

170

210

Welding Techniques: Clean surface and remove old overlays and loosely adhering metal. Establish the arc holding the electrode near perpendicular and move quickly in the direction of travel. Use the stringer bead technique only – do not weave. Pull electrode out of final crater – do not back-whip. Normally a second pass will not be required. Deposits made this way will provide trapped projecting carbides for maximum cutting action.

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