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FERRO SILICON MAGNESIUM IN GRANULAR FORM MINIMUM SIZE 2 MM X MAXIMUM SIZE 20 MM. CHEMICAL SPECIFICATIONS ARE: MAGNESIUM 4-7%, SILICON 40-48% , CALCIUM 2% MAXIMUM , ALUMINIUM 1% MAXIMUM , RARE EARTH 2% MAXIMUM , TRACE ELEMENTS 1% MAXIMUM , BALANCE IRON. FERRO SILICON MAGNESIUM IS USED TO ADD MAGNESIUM TO MOLTEN IRON WHICH IS REQUIRED TO TRANSFORM GRAPHITE FLAKES TO SPHEROIDS.
A FERRO- ALLOY CONSISTING OF: SILICON (Si) 65% MINIMUM CARBON - (C6) 15% MINIMUM TRACE ELEMENTS 2% AND THE BALANCE > 4% IRON (Fe) THE GRAIN SIZE IS 0X100mm. THE PRODUCT IS USED FOR ALLOYING MOLTEN STEEL IN THE FURNACE
FERRO SILICON ZIRCONIUM. IN GRANULATED POWDER FORM. CHEMICAL SPECIFICATION : ZIRCONIUM 30/35% SILICON 40/50% ALUMINIUM 1.0% MAX. CARCON 0.5% MAX PHOSPHOROUS 0.1% MAX. SULPHUR 0.02% MAX. BALANCE OF IRON (MORE THAN 4%) .