Ductile cast iron
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Characteristic 1: ductile iron has very good impact resistance and ductility. This is because the graphite flakes in the ductile iron will become very small carbon elements through a special treatment, and these small carbon elements will enter the gap of the iron element, which greatly strengthens the physical properties of the ductile iron, thus having a very good impact resistance. We also know that graphite is not malleable, but iron has good malleability, and the combination of the two inherits their respective advantages, making ductile iron both impact resistance and malleability.
Characteristic 2: ductile iron can effectively prevent the generation of cracks. In the field of industry, we image called crack terminator, through the microscope, experts can clearly see that the crack produced by iron after cracking to the graphite ball stopped. This is because the graphite ball has very high stability, and the probability of cracking is very small.
Feature three: Corrosion resistance. As we said above, ductile iron is the graphite element into the gap between the iron element. In this way, corrosive objects are unable to corrode iron.
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