Prazi-Flachstahl Ag
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Highly Wear-Resistant Coated Screw Conveyors

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Our highly wear-resistant coated screw conveyors are powder-coated and find application where maximum wear resistance is required. For the coating, we use powder-form, self-fluxing, high quality metal alloys which have the appropriate compound of carbon, tungsten, carbides, chromium, boron, silicone and nickel. The alloy is fused with the rolled augers by means of a thermal sintering process.

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This coating allows us to achieve a tightly closed molecular structure in the desired areas and a surface hardness of up to 61 HRC. In partial coating, we mostly coat the augers in the outer areas on the delivery side.