High strength crushing bar and a process for manufacturing

Details High strength crushing bar and a process for manufacturing High strength crushing bar and a process for manufacturing

1984-02-22

1986-07-29

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

241184, B02C 1714, B22D 1112

Patent

active

046024166

ABSTRACT:
The invention provides a ferrous metal crushing bar, coming directly from casting with controlled solidification, characterized in that it has a fine grain surface structure and a core with radially orientated dendritic structure, in that it comprises, in percent by weight, between about 1.1 and 3% of carbon, between about 3 and 30% of chromium, between about 0.3 and 1.5% of magnesium and between about 0.3 and 1% of silicon, and in that it comprises at least 10% by volume of carbides.

REFERENCES:
patent: 3170641 (1965-02-01), Bard et al.

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