What is the AISI grade of mild steel that is the most magnetic? What magnetic steels are the cheapest and easiest to buy?
From what I understand, the best material for cores is not the most magnetic but the rather the one having less loss due to hysteresis,
That is a part of engineering materials, it has a mixture of materials that has a good magnetic properties when they are combined like silicon and manganese etc.
Silicon steel is the most magnetic material for making into transformer cores and motor cores. It contains 1.25 to 2.5% Silicon. Silicon steel is usually rolled to 2mm plates as lamination material. Iron may be magnewtic but it has low resistivity. With high silicon alloyed to iron resistivity is increased and core and hysteres are losses reduced. Important silicon steels are designated as AISI M15, M19,M22 and M36. In ASTM, these steels are designated 36F15, 36F18 and many more.
