Process for manufacturing hot extruded alloy products

Details Process for manufacturing hot extruded alloy products Process for manufacturing hot extruded alloy products

1982-07-26

1984-07-31

Stallard, W.

Metal treatment

Compositions

Heat treating

148 115R, 148 115N, 148 12EA, C21D 704, C21D 706

Patent

active

044628447

ABSTRACT:
A process for manufacturing a hot extruded product from a continuously cast stainless steel or super alloy billet comprises cold working the surface of the billet, heating the billet to extrude it and at the same time to provide a fine recrystallized structure in its surface layer, and hot extruding the billet.

REFERENCES:
patent: 4070209 (1978-01-01), Usui
patent: 4168190 (1979-09-01), Eguchi et al.
patent: 4204884 (1980-05-01), Berg et al.

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