Fe Content: Typically around 62% iron (Fe), but it can range from 60% to 63.5%. Silica: Base content of 4.0%, with a maximum of 8.0%. Alumina: Base content of 2.3%, with a maximum of 4.0%. Phosphorus: Base content of 0.10%, with a maximum of 0.15%. Sulfur: Base content of 0.02%, with a maximum of 0.06%. Moisture: Base content of 8.0%, with a maximum of 10.0%