The effect of manganese on the magnetic properties of mumetal alloy

The effect of manganese content and the baking temperature on the magnetic properties of Mumetal (76% Ni, 2% Cr, 5% Cu, bal. Fe) especially on the initial permeability has been studied. The most suitable combination was found for a manganese content of 0.3 to 0.5% at the baking temperature of 500 to 550°C.