Kugelgraphitguss

Kugelgraphitguss, also known as spheroidal graphite iron or ductile iron, is a type of cast iron. Its name comes from the shape of the graphite within its microstructure. Unlike gray cast iron, where graphite exists as flakes, in kugelgraphitguss the graphite forms in spherical or nodular shapes. This difference in graphite morphology significantly impacts the material's mechanical properties.

The production of kugelgraphitguss involves adding magnesium or cerium to molten iron during the casting process. This addition causes the graphite to precipitate as spheres rather than flakes. The resulting material exhibits considerably higher tensile strength and ductility compared to gray cast iron. It also possesses good impact resistance and toughness, making it suitable for applications requiring greater mechanical performance.

Kugelgraphitguss finds widespread use in various industries. It is commonly employed in the automotive sector for components like crankshafts, steering knuckles, and axle beams. It is also used in the production of pipes for water and sewage systems, agricultural equipment, and machinery parts. Its combination of strength, ductility, and machinability makes it a versatile engineering material. The material can be heat-treated to further enhance its properties, such as hardness and wear resistance.