Silico Manganese

Silico Manganese is an alloy with 65% to 68% manganese, 15% to 18% silicon, and 1.5% to 2% carbon. It is produced by smelting of slag from high-carbon Ferro Manganese or of Manganese ore with coke and a quartz flux. Smelting temperatures are high and greater energy is needed to reduce the quartz to silicon. So, the process requires power consumption of about 3,800 to 4,800 kilowatt-hours per tonne.

There are three variants of Silico Manganese:
  • High Carbon Silico Manganese
  • Medium Carbon Silico Manganese
  • Low Carbon Silico Manganese

Specification of Silico Manganese

  Silico Manganese (SiMn)
MN
SI
C
P
S
65% Min
15% Min
2% Max
0.30% Max
0.04% Max

Specification of Silico Manganese

Silico Manganese (SiMn)
55% Grade 65% Grade
Mn
55% Max
65% Max
SI
22% Max
15% Max
C
0.25-0.50% Max
2% Max
P
0.10-0.15% Max
0.30% Max
S
0.05% Max
0.04% Max

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