Tool steel for warm and hot working

Details Tool steel for warm and hot working Tool steel for warm and hot working

1977-04-22

1978-09-26

Steiner, Arthur J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75128V, 75128W, C22C 3844, C22C 3846, C22C 3852

Patent

active

041166850

ABSTRACT:
The present invention relates to a tool steel for warm and hot working which consists essentially of, by weight, 0.50 - 1.00% of C, up to 1.50% of Si, up to 1.50% of Mn, 0.70 - 1.50% of Ni, 3.00 - 4.50% of Cr, 1.3 - 5.0% of W, 4.2 - 9.0% of Mo, 1.30 - 3.00% of V, 0.9 - 6.0% of Co, and the balance essentially Fe and impurities and 0.15 + 0.2 V .ltoreq. C .ltoreq. 0.42 + 0.2 V. This tool steel is especially high in warm and hot strengths and abrasion resistance and has excellent toughness and hardenability.

REFERENCES:
patent: 1982421 (1934-11-01), Emmons
patent: 2147120 (1939-02-01), Emmons
patent: 2183014 (1939-12-01), Emmons
patent: 2666697 (1954-01-01), Eder
patent: 3928025 (1975-12-01), Okuno et al.

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