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US 11,708,618 B2Granted
Cast iron inoculant and method for production of cast iron inoculant
AssigneeElkem ASA
InventorEmmanuelle Ott
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AssigneeElkem ASA
InventorEmmanuelle Ott
Estimating the term…
An inoculant for the manufacture of cast iron with spheroidal graphite is disclosed, the inoculant has a particulate ferrosilicon alloy having between 40 and 80% by weight of Si, 0.02-8% by weight of Ca; 0-5% by weight of Sr; 0-12% by weight of Ba; 0-10% by weight of rare earth metal; 0-5% by weight of Mg; 0.05-5% by weight of Al; 0-10% by weight of Mn; 0-10% by weight of Ti; 0-10% by weight of Zr; the balance being Fe and incidental impurities in the ordinary amount, wherein the inoculant additionally contains, by weight, based on the total weight of inoculant: 0.1 to 15% by weight of particulate rare earth metal oxide(s) and at least one of from 0.1 to 15% of particulate Bi2O3, and/or from 0.1 to 15% of particulate Bi2S3, and/or from 0.1 to 15% of particulate Sb2O3, and/or from 0.1 to 15% of particulate Sb2S3, and/or from 0.1 to 5% of one of more of particulate Fe3O4, Fe2O3, FeO, or a mixture thereof, and/or from 0.1 to 5% of one of more of particulate FeS, FeS2, Fe3S4, or a mixture thereof, a method for producing such inoculant and use of such inoculant.
An inoculant for the manufacture of cast iron with spheroidal graphite, said inoculant comprises
An inoculant for the manufacture of cast iron with spheroidal graphite, said inoculant comprises
An inoculant for the manufacture of cast iron with spheroidal graphite, said inoculant comprises
Dependencies are inferred from the claim text.