Shredders

Shredders

The scrap shredder is also known as the “Shredder”. This machine is used to compact and decrease the size of scrap metal in order to increase its density. This allows to increase the load weight in the steel furnaces with which a higher scrap melting speed is achieved, which generates greater production at a lower cost.

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Pieces of Shredders

For the parts used in scrap shredders, we have a wide variety of alloys based on manganese steel with low alloys of Cr, Mo, Ni and V, depending on the work area. These steels have high strength and high toughness. Its main characteristic is the hardening of its surface due to its work by mortising (“gouging”), blow or impact.

The control of the emptying temperature of the molds allows us to have a fine grain size, which optimizes ductility and resistance with great capacity for hardening at work. It also minimizes cracking trends and standardizes properties throughout the part.

Its foundry structure originally has carbides and other transformation products at the grain edge and within the austenitic grain, which are extremely brittle. In the heat treatment, the carbides are dissolved, which with a severe cooling to the water, transform into a completely austenitic structure with carbides scattered within the grain, which allow having the optimal properties for the work it performs.

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