Alloy Addition Calculator

Work out how much ferroalloy to add to reach your target chemistry. Content and recovery come pre-filled with typical starting values; you can type your own.

Required addition
817 kg16.34 kg / t

Calculation: addition (kg) = weight (kg) × (target - current) ÷ content ÷ recovery. Content and recovery are typical values; enter the lot COA value and your plant's actual recovery. The result is an estimate and does not replace your metallurgy team's decision.

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Presets: content and typical recovery

Recovery depends on addition timing, bath oxygen, slag condition and size. The table gives starting values, not a guarantee.