Main properties in the application of ductile iron

- Jul 28, 2020-

Ductile iron castings have been used in all major industrial sectors that require high strength, plasticity, toughness, wear resistance, severe thermal and mechanical shock resistance, high or low temperature resistance, corrosion resistance, and dimensional stability. In order to meet these changes in service conditions, nodular cast iron has many grades, providing a wide range of mechanical and physical properties. Most of the ductile iron castings as specified by the International Organization for Standardization ISO1083 are mainly produced in the non-alloyed state. Obviously, this range includes high-strength grades with a tensile strength greater than 800 Newtons per square millimeter and an elongation of 2%. At the other extreme is a high plastic grade with an elongation greater than 17% and a correspondingly low strength (minimum 370 N/mm2).

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