Sabayek Company
SILICO MANGANESE
Silico Manganese is a ferro alloy widely used as an alloying agent in the manufacture of steel (especially long products). It provides the necessary toughness and hardness to steel and, hence, is a critical ingredient for steel making
Manganese, intentionally present in nearly all steels, is used as a steel desulfurizer and deoxidizer. By removing sulfur from steel, manganese prevents the steel from becoming brittle during the hot rolling process. In addition, manganese increases the strength and hardness of steel. Silicon is a deoxidizer, aiding in making steels of uniform chemistry and mechanical properties. As such, it is not retained in the steel, but forms silicon oxide, which separates from the steel as a component of the slag.
Both silicon and manganese have an important influence on the properties of steel, depending on the amount added and the combined effect with other alloying elements. Silicon and manganese have a strong affinity for oxygen, and will act as deoxidizers. Deoxidation with SiMn results in cleaner steel, as the liquid manganese silicate formed coagulates and separates easier from the melt.
The various grades of Silico Manganese are High Carbon Silico Manganese, Medium Carbon Silico Manganese and Low carbon Silico Manganese.
|
HS Code
|
Product |
Manganese (%) |
Silicon (%) |
Carbon (%) |
Phosphorus (%) |
Sulphur (%) |
Boron (%) |
Nitrogen (%) |
| 72023000 | High Carbon Silico Manganese | 60% to 63% | 14% Min | 2.5 % Max | 0.20 % Max | 0.03 % Max | – | – |
| 65% to 67% | 16% Min | 2.5 % Max | 0.20 % Max | 0.03 % Max | – | – | ||
| 68% to 70% | 16% Min | 2.5 % Max | 0.20 % Max | 0.03 % Max | – | – | ||
| High Carbon Silico Manganese (with Low Boron, Nitrogen, Phosphorus) |
65% to 67 % | 16% Min | 2.5 % Max | 0.12 % Max | 0.03 % Max | 100PPM Max | 100PPM Max | |
| 68% to 70% | 16% Min | 2.5 % Max | 0.10 % Max | 0.03 % Max | 100PPM Max | 100PPM Max | ||
| Medium Carbon Silico Manganese | 56% to 60% | 25-30% | 0.5 – 0.8 % Max | 0.20 % Max | 0.03 % Max | – | – | |
| Low Carbon Silico Manganese | 60% to 65% | 30-35% | 0.05 – 0.1 Max | 0.20% Max | 0.03% Max | – | – |
STANDARD SIZING
PACKAGING
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