Ferritic ductile cast iron alloys having high carbon content, high silicon content, low nickel content and formed without annealing
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United States of America Patent
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Dec 7, 2010
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Jan 29, 2008
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Jan 29, 2008
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Abstract
Disclosed are methods of making ferritic ductile iron castings (60-40-18) with high toughness (6 ft.lb minimum Charpy V at −20 F and 10 ft.lb minimum Charpy V at +72 F), without adding Nickel and without annealing.
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