Cast iron is an iron-carbon alloy with carbon content above 2%. Its excellent castability, machinability, and vibration damping make it a workhorse for machine bases, housings, cylinders, and wear-resistant components. Gray iron is most common; ductile (nodular) iron offers improved tensile strength and ductility.
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Specify ASTM grade and class, tensile strength requirements drive grade selection
Provide casting drawing with draft angles, machining allowances noted
State if full dimensional inspection and certification are required
Note critical surfaces requiring machining vs. as-cast surfaces
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