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Hello. I have stumbled upon these big cones the guy called them crusher cones. He said they were used in a rock crusher. There are six of these big cones 3 ft diameter on one side and maybe 1 ft diameter on the other. It looks like cast iron but feels heavier. It has a very slight draw and around the ring at the large end of the cone it is not magnetic at all.
Each cone weighs about 500 lbs. is it steel? It's gut surface rust/ discoloration. ..
What are these made of?
Thanks
some info below on used cone crushers
Cone crushers
Dont know what they are made of but people are using them for fire pits, im sure one of those wouldnt rust out in a persons lifetime. check with a lawn and garden contractor and see if they are interested.
manganese steel seems to be mentioned in several places on that link above
"Wear-resistant steels"
Another group is the wear-resistant steels, made into wear plates for rock-processing machinery, crushers, and power shovels. These are austenitic steels that contain about 1.2 percent carbon and 12 percent manganese. The latter element is a strong austenizer; that is, it keeps steel austenitic at room temperature. Manganese steels are often called Hadfield steels, after their inventor, Robert Hadfield."
I worked for a big crushing company, and they gave me their scrap metal. I checked into scrapping the cones, and the yards I talked to didn't want to pay much. Said they were to hard to handle because they are so heavy, and not magnetic.
Yeah there manganese used alot in quarrys and in the railroad, its actually worth more than prep and unprep. You should be able to get 225-235 a ton depends on your location in the USA.