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Iron Specifications

For a detailed summary of our grey, ductile or malleable iron casting specifications, click on the appropriate link below. Specifications include: specifying body, spec number, use, grade, tensile strength, yield, elongation, and microstructure.



Grey Iron: Class 30, 35, 40  


Ductile Iron: Grade 60-40-18, 65-45-12, 80-55-06, 100-70-03  


Austempered Ductile: Grade 110-70-11, 130-90-9, 150-110-7, 175-125-04, 200-155-2, 230-185-1  


Malleable Iron: Grade 32510 Ferritic and most grades of pearlitic