LoTherme-600 Welding Electrodes _ Hardfacing or Overlay Applications
                     LoTherme-600
For Hard-Facing, Wear-facing or Overlay Applications

Characteristics
LoTherme-600 welds well in the horizontal position. Soft arc, smooth seam surface. 
It still retains great hardness at high temperatures, even at red heat, and recovers 
its original hardness after cooling.
Applications
LoTherme-600 is the hardest of the cobalt-containing alloys and is used mainly for 
severe friction wear, erosion and corrosion. It is very resistant to sliding stressing 
metal-to-metal, and is therefore recommended for pump bushes, screw conveyors, 
wear rings, guide rails, cutters, rolls.
Typical Mechanical Properties Of All Weld Metal
AT ROOM TEMPERATURE : 45-55 HRC
AT 600°C : 43-48 HRC
Welding Instructions
Re-dry the electrodes at 250°C for one hour before use. Clean the weld zone of 
rust, scale and grease. Bigger work pieces are preheated to about 300°C. Keep 
the amperage as low as possible, so as to fuse the parent metal as little as 
possible. Guide the electrode vertically, keeping the arc short. Weave only 
slightly. Cool slowly in an oven or under asbestos. Machinable only by grinding.

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or-hard-facing-wear-facing-or-overlay-application/lotherme-600