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Ductile iron (also called nodular cast iron) offers engineers an exceptional combination of strength, durability, and cost-effectiveness for demanding industrial applications. This comprehensive guide examines the \u200cchemical composition<\/strong>\u200c (3.0-4.0% carbon, 1.8-3.5% silicon), \u200cmechanical properties<\/strong>\u200c (400-900 MPa tensile strength), and \u200cspecialized applications<\/strong>\u200c of major grades including ASTM A536 (60-40-18, 65-45-12), EN-GJS-400-15\/500-7, and SAE J434 standards.<\/p>\n

\"Ductile<\/a>
Ductile Iron Grades: Composition, Properties, and Applications<\/figcaption><\/figure>\n

1. Chemical Composition of Ductile Iron<\/h2>\n

The chemical composition of ductile iron plays a pivotal role in determining its mechanical properties and suitability for specific applications. While the exact composition can vary based on the desired grade and application, certain elements are fundamental to its structure and performance.<\/span><\/p>\n

1.1 Primary Elements<\/h3>\n