Magberg Manufacturing, a division of NiMag [Pty] Ltd uses a specialised production process to remove any gases, slags or inclusions prior to the final formulation of Metalloy Ferro Silicon Magnesium Alloys.

These are crushed to suit final applications size requirements. Metalloy FeSiMag is used world wide as a Graphite Nodulariser, Deoxidiser and Desulphuriser in the production of Spheroidal Graphite [SG] in Cast Irons.

Metalloy FeSiMag Alloys manufactured for the following Spheroidal Graphite Iron Production Methods

Ladle Additions
Overpour Nodularisers - "Metalloy" 6P; 5M; 7MC; 7D.

Cupola Additions
To cope with high Sulphur and Carbon typically found in Cupola Irons - "Metalloy" 3RE8.