www.kennametal.com Coal Nozzle Burner Tips for Raichur Thermal Power Station SUCCESS STORY Life expectancy for coal nozzle tips at RTPS was 8–12 months. The tips were stainless steel (SS310) with a 6mm layer of weld overlay for protection. During annual overhauls, the tips were refurbished by replacing the eroded portion with new stainless steel plates protected with the weld overlay. After two to three rounds of repairs, the tips were disc

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