Alnico magnet is comprised of aluminum, nickel, cobalt and iron with varying additions of other elements. There are two different manufacturering process for Alnico: Cast and Sintered. cast alnico can be made into many sizes and shapes, whereas sintered alnico is usually restricted to smaller sizes.
Materia of Block Alnico magnet for guitar pickup: Alnico2,3,5,6,8.
Production chart of block guitar pickup magnet raw material---mixing---modeling---melting---heat treatment---testing---cutting and grinding---inspection---packing---shipping---after- sale service.
Characteristics of block guitar pickup magnet compact crystal, high intensity, good chemistry stability, strong anti-corrosion, even elements, excellent magnetic performance, excellent temperature stability, highest usage temperature reach 550 °c.
Here are some size of our block Alnico magnets for guitar pickups :