Stainless Steel ZG0Cr13Ni4Mo Hydro Turbine Runner The runner is the core component of a hydro turbine. Our runners are cast from stainless steel ZG0Cr13Ni4Mo, a grade chosen for its strength, cavitation resistance and stable performance in long term operation. Technical Specifications Material Stainless Steel ZG0Cr13Ni4Mo Runner Diameter 0.5-5 Meters Water Head 10m-300m Efficiency 92%-94% Blade Number 3-10 Application Francis, Pelton, Kaplan turbines Key Features Cast and