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The word "iron" (referring to the material / substance) has two meanings: literally: the pure substance, found in Mendeleev's table as Fe; colloquially: (almost) any alloy that contains mostly iron. In reality, everything that is called "iron" is either some steel, or some cast iron. I am not a specialist, so I cannot provide too many ...


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They are hardened tool steel ; per @ virolino , essentially nothing today is "iron" although many things are made of various cast irons.There are 50 different tool steel that could be used depending on what is shredded and the expected life . The practical answer is ; whatever the manufacturer uses. If you had two manufacturers offering two ...


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You can find plans for making various shredding machines by using the terms "metal shredding machine plans" which will also present a number of plans for similar machines for shredding plastic. The difference would be the thickness of the shredding wheels and especially the shape of the teeth and the power of the motor. There were too many returns ...


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