Manganese Steel Confusion JADCO Manufacturing Inc
Manganese Steel Properties. The most common Manganese is known as Hadfield Manganese, which was invented by Sir Robert Hadfield in 1882. Hadfield Manganese steel typically has a direct 10 to 1 ratio of Manganese to Carbon. The standard range for Hadfield Manganese contains 11% to 14% Manganese compared to % to % Carbon.