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New Powder Materials for Valve Engineering


POLEMA JSC jointly with State Scientific Center of the Russian Federation – Open Joint-Stock Company “Research and Production Association CNIITMASH” have developed innovative powdery coating materials to be used in production and repair of power equipment valving parts: powders of corrosion-resistant

AP-FeCr17Ni8Si6Mn and

AP-FeCr18Ni9Mo5Si5Mn4Nb alloys.

Coating powders were developed in lieu of (ZN-6L) and (ZN-12L) electrodes to be used for high-performance and high-quality plasma-jet hard-facing of wear-resistant coatings onto sealing surfaces of valving parts (discs, seats).

Detailed description of materials can be found at: