Specifications
Runner hubRunner hub is a cylindrical component to assemble the vanes of the hydraulic turbine with axial flow, oblique flow
Runner hub
Runner hub is a cylindrical component to assemble the vanes of the hydraulic turbine with axial flow, oblique flow and through-flow.
Main material is 20MnSi.
Specification: OEA.640.133
The specimen to test the chemical composition and mechanical properties should be taken from the same batch of molten steel from the same furnace.