Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1978-08-17
1980-05-06
Rosenberg, P. D.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
C22C 3300, C22C 3954
Patent
active
042015766
ABSTRACT:
A low elemental silicon source of ferrophosphorus used to increase the phosphorus content of molten iron, steel and their alloys is prepared by pulverizing ferrophosphorus having an elemental silicon content in excess of 1 percent by weight to enable it to pass a 3/8-inch sieve. Next, phosphoric acid is mixed with the ferrophosphorus. The phosphoric acid oxides substantially all of the elemental silicon to silica. After oxidation, the resulting composition is dried and formed into the desired size and shape for ease of handling during iron and steel making processes.
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Murray Thomas H.
Rosenberg P. D.
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