Low Al Ferro Silicon

Low Aluminum Ferro Silicon Low Al Ferro Silicon is smelted by silicon, coking coal and waste steel in electric resistance furnace with high temperature. It has a grey color with metal lustre, and mainly used as deoxidizer and additive agent in steel making and casting industry. Si Al C S P Ca ≥75 ≤1.0 ≤0.2 ≤0.02 ≤0.04 ≤0.5 ≥75 ≤0.5 ≤0.2 ≤0.02 ≤0.04 ≤0.5 ≥75 ≤0.3 ≤0.2 ≤0.02 ≤0.04 ≤0.5 ≥75 ≤0.1 ≤0.2 ≤0.02 ≤0.04 ≤0.5 ≥72 ≤0.5 ≤0.2 ≤0.02 ≤0.04 ≤0.5 ≥72 ≤0.3 ≤0.2 ≤0.02 ≤0.04 ≤0.5 ≥72 ≤0.1 ≤0.2 ≤0.02 ≤0.04 ≤0.5