Wearfacing electrode on cobalt base with excellent corrosion resistance.
Withstands oxidising and reducing atmospheres up to temperatures of 1150 °C (2100 °F).
Very good resistance to fluctuating temperatures and to impact loading.
Resists corrosion by organic products containing sulphur, even at high temperatures.
Machinable with hard metal tools. Gives crack-free deposits also on large areas.
Indicated as base layer for harder cobalt alloys such as Lastek 251E, Lastek 262E.
Smooth and pore-free welding beads.
Valve and valve seats of combustion engines, gas turbine blades, hot working cutting tools, glass cutting tools, blades of metal shears, pump shafts and bearings.
Hardness: 30-35 HRC.
Hardness after work hardening: approx. 40 HRC.
Remove all rust and dirt.
Sharp edges must be rounded for optimum adhesion.
The arc should be short to avoid too much dilution with the base metal.