Spheroidal Graphite (SG) & Pearlitic Nodular Cast Iron Rolls

Spheroidal graphite (SG) cast iron rolls are also known as nodular cast iron or ductile cast iron. Kathuria Techmech is manufacturer & supplier of high-strength pearlitic nodular / SG cast iron rolls for rolling mills. Custom grades, sizes, and hardness available. Spheroidal graphite (S.G.) cast iron is a high-strength cast iron. S.G. cast iron is produced by adding magnesium and/or cerium to the molten cast iron during production in a foundry. Nodular/S.G. iron is a carbon-rich iron alloy. Because S.G. iron contains a high carbon content, the graphite is found as particles at the microstructural level embedded in a metallic matrix. The term 'nodular' refers to the shape of the graphite particles which is achieved by adding magnesium / cerium. This is unlike the flake-like graphite structure of white or gray iron, and influences the properties of S.G. iron. Because of its mechanical properties, nodular cast iron is also called ductile cast iron.