Crushing bodies forged from steel and a process for...

C - Chemistry – Metallurgy – 22 – C

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C22C 38/00 (2006.01) B02C 17/20 (2006.01) C21D 8/00 (2006.01) C22C 38/18 (2006.01) C22C 38/36 (2006.01)

Patent

CA 1143187

ABSTRACT OF THE DISCLOSURE The invention relates to crushing bodies forged from steel having a high carbon content and a finely divided martensite structure throughout, comprising a carbide content of 2 to 6% by weight, in the form of mixed iron and chromium carbides of the (F3, Cr)3 C type. The process for manufacturing these crushing bodies consists in bringing up to a temperature of the order of 900 to 1100°C a bar or billets of cast or moulded steel and having the desired composition, said bar is possibly cut into billets at said tempera- ture, and said billets are forged at said temperature of 900 to 1100°C. These crushing bodies allow the crushing of very abrasive materials, for a limited cost.

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