Method for producing tool steel articles

Details Method for producing tool steel articles Method for producing tool steel articles

1971-09-14

1976-02-03

Sebastian, Leland A.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75203, 75204, 75225, 75226, B22F 100, B22F 300

Patent

active

039362990

ABSTRACT:
This invention relates to a tool steel consisting essentially of, in weight percent, carbon 1 to 1.4 or 2.5, chromium 4 to 6, vanadium 1 to 1.5 or 8, tungsten 7.5 to 13, molybdenum 3.5 to 7, cobalt 9 to 15, nitrogen at least about 0.03 and preferably 0.03 to 0.08, and the balance iron. The invention also relates to a tool steel compact of this steel produced by a powder-metallurgy technique also in accordance with this invention. The tool steel article is characterized by a combination of good cutting performance and machinability.

REFERENCES:
patent: 3341325 (1967-09-01), Cloran
Roberts et al., "Tool Steels," 3rd Ed., ASM, 1962, p. 719.

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