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An additive that crystallizes graphite in cast iron into a spherical shape, which is called a "nodulizer" or a "spheroidizing agent" . Including rare earth silicon-magnesium alloys, calcium alloys (more used in Japan), pure magnesium alloys, etc. The nodulizer provided by Wanhua Metal is silicon magnesium spheroidizing agent.

  • Product Name: Nodulizer/Spheroidizing agent
  • Type: Rare Earth Silicon Magnesium Alloy
  • Chemical composition: magnesium, rare earth, silicon, calcium, iron, etc.
  • Purpose: To obtain spheroidal graphite cast iron
  • Application: Cast iron

The casting thickness of each grade of rare earth magnesium ferrosilicon alloy is not more than 100mm. The standard particle size of rare earth magnesium ferrosilicon alloy is 5~25mm and 5~30mm. Depending on the application, customers can specify special particle sizes such as 5~15mm, 3~25mm, 8~40mm, 25~50mm, etc.

Silicon magnesium nodulizer specifications

Specification ChemicalComponent%
Re Mg Ca Si Mn Ti Fe
FeSiMg8Re3 2-4 7-9 2-3.5 44.0 1.0 1.0 -
FeSiMg8Re3 4-6 7-9 3 44.0 1.0 1.0 -
FeSiMg8Re3 6-8 7-9 3 44.0 1.0 1.0 -

Rare earth silicon magnesium ferro alloy is a good spheroidizing agent. Mainly used in the production of ductile iron. Ductile iron is widely used in machinery manufacturing such as automobiles and tractors.

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