Correct selection of Nodulizer

The Nodulizer, usually refers to magnesium ferrosilicon alloy, can improve mechanical properties such as strength and ductility of the casting, therefore widely used in the field of cast iron.

Magnesium contents of 4%, 5%, and 5.5% are low-magnesium Nodulizer, with RE between 1% and 2%. They are mostly used for intermediate frequency furnace smelting and spheroidizing treatment of low-sulfur iron liquid. It has the advantages of gentle spheroidization reaction and easy and full absorption of spheroidized elements.

Magnesium content of 6% and 7% belongs to the medium magnesium series Nodulizer, which is mostly used for cupola furnace, double electric furnace melting, or intermediate frequency furnace melting of pearlite-type cast ductile iron castings. According to the wall thickness of the casting and the sulfur content of the original molten iron, the appropriate amount of Nodulizer?is determined. It has a wide range of applications and a wide range of spheroidizing treatment processes.

High magnesium series Nodulizer?is suitable for cupola furnace smelting and molten iron with a sulfur content of 0.06%-0.09%. The addition amount is between 1.6%-2.0%.

Because the production situation of each manufacturer is different, you need to choose a Nodulizer?with appropriate Mg content according to your own conditions, and flexibly control the amount of Nodulizer?added to achieve a good effect.

More information about the Nodulizer, welcome to discuss with us.