Ferro Silicon Magnesium

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Product Code : 05

Product Specification

Selection for Nodulizers:

Nodulizers containing 4%, 5-5.5% magnesium belong to low magnesium nodulizers, low RE commonly used to nodulize with medium frequency furnace melting. Their chemical reactions are smooth and steady, nodular elements is easy to be absorbed. However, it is required that the sulphur should be lower.
Nodulizers containing 6%, 7% magnesium belong to medium magnesium series nodulizers, commonly used in medium frequency furnace melting and electric furnace double reheating melting or medium frequency furnace melting pearlite ductile iron castings. Based on casting wall thickness and sulphur content in base iron, proper nodulizer adding quantity is determined, applicable range is wide and nodulizing process technology is broad.
High magnesium series nodulizers are suited for cupola melting liquid iron with sulphur content of 0.06-Â0.09%, and additive quantity is between 1.6%-2.0%.
Low Al nodulizers are used for castings that liable to produce subsurface porosity defect and castings that specify requirement for Al content in liquid iron.
Liquid iron processed by pure Ce and pure La-produced nodulizers are pure with less inclusions and round graphite nodules. Pure Y-produced nodulizers are suited for large cross-section castings, lagging nodulization deterioration and preventing blocky graphites. Nodulizers containing Sb are used for pearlite ductile iron.
Low Si nodulizers are suited for foundry to use quantity of return material; and Ni-Mg nodulizers are used for high Ni austenitic ductile iron

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