ShortMagPirate Posted March 4, 2018 Share Posted March 4, 2018 Is Ductile Iron the same as Cast Iron? I have several old pipe wrenches that are donating their top jaws to the forge, just wondering if there is anything that can be done with the handles? Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted March 4, 2018 Share Posted March 4, 2018 Wow it took me longer to write this then it did to type ductile iron in a web search and get: Ductile iron, also known as ductile cast iron, nodular cast iron, spheroidal graphite iron, spheroidal graphite cast iron and SG iron, is a type of graphite-rich cast iron discovered in 1943 by Keith Millis. Wikipedia I suggest you read the rest of the article. Quote Link to comment Share on other sites More sharing options...
Nobody Special Posted March 4, 2018 Share Posted March 4, 2018 Ductile is a kind of cast iron. It has little spheres of graphite instead of flakes, which means it can take more of a beating or a little bending than cast iron, which usually breaks when hammered on. I haven't forged it, but I would think it would tend to fall apart like most cast iron. Of course, then there's the confusing advertisements that you get for them. "Drop forged cast iron" I guess they mean the jaws are forged, but kind of a contradiction in terms. Don't know why they just don't make the whole thing out of steel. Quote Link to comment Share on other sites More sharing options...
BIGGUNDOCTOR Posted March 5, 2018 Share Posted March 5, 2018 Ductile just means that you put them back together and sell them to pay for some good steel for forging.... Quote Link to comment Share on other sites More sharing options...
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