Quote:
Originally Posted by Ross in East Texas
Ductile iron, also known as ductile cast iron, nodular cast iron, spheroidal graphite iron, spherulitic graphite cast iron and SG iron, is a type of cast iron invented in 1943 by Keith Millis. While most varieties of cast iron are brittle, ductile iron is much more flexible and elastic, due to its nodular graphite inclusions.
On October 25, 1949, Keith Dwight Millis, Albert Paul Gagnebin and Norman Boden Pilling received US patent 2,485,760 on a Cast Ferrous Alloy for ductile iron production via magnesium treatment. Ductile Iron does have flexibility and can be very strong?
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Right on and good info Ross.
Your last sentence says it except that it is nowhere near as strong as a
alloy steel forging...Ductile iron front axles have been known to break as have ductile iron crankshafts such as SCAT brand.
For me for these 2 applications it would be like buying second hand oats.