Compacted graphite iron
Properties between lamellar cast iron and spheroidal graphite cast iron
We produce compacted graphite iron in the following grade:
- EN-GJV-400 (5.2201)
Compacted graphite iron is used for many products
- Brake Discs
- Friction Rings
- Exhaust manifold
The damping behavior in relation to mechanical oscillations improve in this material. Compacted graphite iron has a higher resistance and fracture toughness, with a lower section sensitivity. The advantages to nodular graphite cast iron are up to the thermal expansion. Compacted graphite cast iron offers a higher thermal conductivity and a better resistance to thermal shocks.
Compacted graphite iron is present in the form of worms (photo right). These worms shape a similar three-dimensional, branched out structure as in grey cast iron. This structure is decisive for the better damping behavior and higher elongation of this material.