Dispersion hardening alloy range
To support companies in their quest to reduce maintenance costs, Castolin Eutectic has introduced its DH (Dispersion Hardening) wearfacing alloy range for hot abrasion / erosion environments.

Dispersion Hardening is the solid state diffusion process in which small, submicron, dispersoid particles of a new phase precipitate in the crystalline matrix to harden the alloy by hindering dislocation movements. Dispersion Hardening alloys have mesomorphous characteristics which is an intermediate, hybridstate between crystalline and amorphous.
EutecTrode 6070 N, for example, is a high speed performance electrode with 250% metal recovery. It is suitable for wearfacing components against abrasion and erosion, especially where both fine and coarse grain mineral particles are present. It is said to be especially good when high temperatures are part of the process and is suitable for a wide range of steels including medium carbon steel, low alloy steels and austenitic manganese steels.
EnDOtec DO*8336 – High temperature oxidation resistance to 850°C. Suitable for steel, cement, waste and recycling, transport screws, furnace chutes, exhaust fans, cyclones, conveyors, and mixer blades. It is designed for protective coatings with extreme resistance to abrasion, erosion combined with moderate shock on carbon, alloy, stainless and cast steels. It is also suitable for sinter plant ventilator fans, agglomeration fans, screws and heads in the ceramics industry.
EnDOtec DO*33 is designed to offer better cost/ wear resistance ratio against severe abrasion than many conventional chromium castings.
Main Applications include public works, brickworks, quarries, dredgers, extruder/press screw segments and pug mill augers, dust extractors – Hot screens and furnace retorts
TeroMatec 4395 N is suitable for fieldwork or on site applications.
It is specifically developed for outdoor maintenance and repair welding of thick, heavy components where faster weld deposition rates, are required, for example sinter crusher bars, furnace chutes, mixer blades, paddles, scrapers
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