Low-alloy steel material, die blocks and other heavy forgings ma

Details Low-alloy steel material, die blocks and other heavy forgings ma Low-alloy steel material, die blocks and other heavy forgings ma

1986-05-28

1987-06-16

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

148 12B, 148 12F, 148328, 148336, 420109, C21C 702

Patent

active

046734333

ABSTRACT:
A method for manufacturing a low-alloy steel product having a very high hardenability in relation to its alloying content is disclosed. The method includes the steps of melting the steel; adding thereto a micro-alloying ingredient selected from the group consisting of aluminum, titanium, and aluminum and titanium together; superheating the melt to a temperature of at least 1625.degree. C., holding the melt at that temperature level for at least two minutes; teeming and costing the melt to form ingots and hot-working the ingots to form a low alloy steel product.

REFERENCES:
patent: 3124450 (1964-03-01), Matuschkovitz
patent: 3617259 (1971-11-01), Doliwa
patent: 3891426 (1975-06-01), Stawicky
patent: 4120696 (1978-10-01), Geck

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