C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
C21C 1/10 (2006.01) B22D 1/00 (2006.01)
Patent
CA 2470836
A pellet, intended for the late inoculation of cast irons, obtained by agglomeration of a powdered inoculant, wherein the mass proportion of the granulometric fraction 50 - 250 ~m of the powdered inoculant of which the pellet is constituted is comprised between 35 and 60%, and the mass proportion of the granulometric fraction below 50 ~m is lower than 25%.
La présente invention se rapporte à une boulette, destinée à l'inoculation tardive de fontes, obtenue par agglomération d'un inoculant en poudre, qui est telle que la proportion massique de la fraction granulométrique 50-250 µm de l'inoculant en poudre dont est constituée la boulette est comprise entre 35 et 60 %, et la proportion massique de la fraction granulométrique en-dessous de 50 µm est inférieure à 25 %.
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
Pechiney Electrometallurgie
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