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Class Information
Number: 420/24
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > 1.7 percent or more carbon containing > 2.7 percent or more carbon equivalent containing (i.e., cast iron) > Processes of adding magnesium > Magnesium present in agent only as a compound with a nonmetal
Description: Process wherein the magnesium is added to the iron alloy only as a compound with a nonmetal and the additive contains no metallic magnesium or alloy thereof.

Patents under this class:

Patent Number Title Of Patent Date Issued
4208207 Carrier body and method for introduction of a reaction agent into metal melts Jun. 17, 1980
4042377 Method of and composition for the desulfurization of steel Aug. 16, 1977
3979206 Process for the preparation of magnesium Sep. 7, 1976

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