COBASTEL 21

• AC weldable rutile electrode.
• Cobalt-based overlay with high tensile strength as well as very high corrosion resistance and high heat resistance.
• The deposit is characterized by high impact strength and can be hardened up to 45 HRC.
• For hardfacing materials exposed to corrosion, high temperatures and thermal shocks.

Welding instructions: The working temperature should be maintained between 400° and 600°C, depending on the base material and type of construction. Slow cooling, and if required furnace cooling, is recommended for low alloy and austenitic steels.

Operating temperature: from room temperature to 300°C