Elkem Asa

Emmanuelle Ott

Oddvar Knustad

Ole Svein Klevan

Torbjorn Skaland

Torbjørn Skaland

Cathrine Hartung

Eivind Gustav Hoel

Thilo Haunhorst

Leander Michels

An inoculant for the manufacture of cast iron with spheroidal graphite is disclosed, the inoculant has a particulate ferrosilicon alloy having

Cast iron inoculant and method for production of cast iron inoculant

An inoculant for manufacturing cast iron with lamellar, compacted or spheroidal graphite is disclosed. The inoculant has a particulate ferrosilicon alloy having 40 and 80% by weight of silicon, 0.5-5 wt % of calcium and/or strontium and/or barium, 0-10 wt % of rare earths, 0-5 wt % of magnesium, less than 5% by weight of aluminium, 0-10 wt % of manganese and/or zirconium, and the balance being iron, wherein the inoculant additionally contains 0.1-10 wt % of particulate bismuth oxide particles and optionally 0.1-10 wt % of one or more particulate metal sulphides and/or one or more particulate iron oxides, where the particulate bismuth oxide is mixed or blended with the ferrosilicon particles, or is simultaneously added to cast iron together with the particulate ferrosilicon particles.

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Oslo, Norway

Emmanuelle Ott