Gray Iron Fundamentals

Table of Contents

1. Gray Iron Properties
   1. Mechanical Properties
      1. Ultimate Tensile Strength
      2. Compression Strength
      3. Hardness
      4. Density
      5. Damping Capacity
   2. Thermophysical Properties
      1. Specific Heat
      2. Thermal Conductivity
      3. Coefficient of Thermal Expansion
      4. Electrical Resistivity
   3. Gray Iron Chemistry
      1. Microstructure of Iron
         1. Phases of Iron
         2. Phase Diagram
         3. Graphite Morphology
      2. Cast Iron Composition
         1. Iron
         2. Carbon
            1. Carbon Equivalent
         3. Silicon
         4. Phosphorus
         5. Sulfur
      3. Recarburizers
   4. Grade Specifications
      1. ASTM Grades
      2. SAE Grades
2. Gray Iron Processing and Defects
   1. Gray Iron Processing
      1. Inoculation
      2. Alloying
         1. Copper
         2. Nickel
         3. Tin
         4. Molybdenum
         5. Manganese
      3. Undercooling
      4. Carbide Dissolution
      5. Matrix Adjustment
   2. Gray Iron Defects
      1. Carbides
      2. Pinholes
      3. Shrinkage Porosity
      4. Slag and Dross