Monel K500 Pipe MONEL K-500 alloy has comparable corrosion resistance to 400, but has higher mechanical strength and hardness. It has good thermal corrosion resistance and long-term microstructure stability. It is mainly used to manufacture turbine blades and gas turbine blades with working temperature below 750 °C on aero engines; Used in the manufacture of fasteners, springs on ships; Pump and valve parts on chemical equipment; Scraper blades on papermaking equipment, etc.