Product Group : Nodulisers and Inoculants

Product : Inoculant - FeSiBa


Application :
Inoculation is a process of controlling the structure and properties of cast iron by increasing the number of nucleation events during solidification. An inoculant is a material added to the hot metal just prior to casting which provides as suitable phase for nucleation of graphite during subsequent cooling process. The abjective of inoculation is to provide enough nucleation sites for the carbon to precipitate as graphite instead of ion carbide(cementite, Fe3C)
 

 

Nodule count per mm˛ at 100X

Thevaraya supplies inoculants for the production of both ductile iron and cast iron of different grain sizes for use in both on-stream-ladle and post innoculation. Thevaraya has two type of inoculant namely
Normal Barium(0.8-1.3%)
High Barium(1.8-2.0 %).

The inoculant with high Barium has higher fading time and is especially beneficial when pouring time is high. It find its special application in Cast Iron Inoculation

Specification : Thevaraya offers the following specifications of FeSiBa

  Composition   Size
  Normal Barium High Barium 0.2-3mm
Si% 74-79 70-75 0.5-3mm
Ca% 0.8-1.3 1.8-2.0 2-6mm
Al% 0.8-1.2 0.8-1.0  
Ba% 0.8-1.3 1.8-2.0  

 

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