High speed steels with phosphorus for improved cutting performan

Details High speed steels with phosphorus for improved cutting performan High speed steels with phosphorus for improved cutting performan

1978-02-28

1979-09-18

Steiner, Arthur J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75126E, 75126H, 75126K, C22C 3822, C22C 3824

Patent

active

041681592

ABSTRACT:
A new high speed steel with improved cutting life is provided consisting essentially of about 0.7 to 1.6% carbon, about 0.2 to 1.0% silicon, about 0.2 to 0.8% manganese, up to about 0.2% sulphur, about 0.5 to about 20% tungsten, about 0.5 to about 10% molybdenum, about 0.5 to 5% chromium, about 0.5 to about 6% vanadium, up to about 10% cobalt, more than 0.03% to about 0.20% phosphorus, the balance iron with residual impurities in ordinary amounts.

REFERENCES:
patent: 2983601 (1961-05-01), Fletcher
patent: 3113862 (1963-12-01), Harvey et al.
patent: 3259489 (1966-07-01), Hamaker, Jr. et al.
patent: 3295401 (1967-01-01), Raekoff
patent: 3859081 (1975-01-01), Harvey et al.

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