Process for preparation of a casting having MnS dispersed and un

Details Process for preparation of a casting having MnS dispersed and un Process for preparation of a casting having MnS dispersed and un

1989-03-09

1990-12-25

Seidel, Richard K.

Metal founding

Process

Shaping liquid metal against a forming surface

164 581, 164122, 164485, B22D 1110, B22D 11124

Patent

active

049795589

ABSTRACT:
MnS is finely dispersed and precipitated in a steel, and the steel obtained has highly improved characteristics such as HAZ toughness, cold cracking resistance, and corrosion resistance. This steel is obtained by continuously casting a component-adjusted molten steel having a dissolved oxygen concentration of 20 to 60 ppm and containing 0.01 to 0.05% by weight of a deoxidizing element, at a specific cooling rate.

REFERENCES:
patent: 4614223 (1986-09-01), Wilson
patent: 4806304 (1989-02-01), Kimura et al.
Abstract of Japanese Patent Publication 61-238940 Published Oct. 24, 1986.
Abstract of Japanese Patent Publication 62-109948 Published May 21, 1987.
"Tetsu-to-Hagane", vol. 65, No. 8 (1979) p. 1232.
"Tetsu-to-Hagane", 1987, S197.
"JSPS", 19th-Com. Rept. 10835 (1987).

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