For the convenience of those desiring to design and manufacture prefabricated magnetic shields in-house, AD-MU magnetic shielding sheet stock material is readily available and easy to work with. It may be formed by bending stamping, drawing etc. on ordinary sheet metal working equipment. AD-MU magnetic shielding material can be finished by plating or MIL spec painting. AD-MU-80 and AD-MU-48 magnetic shielding materials meet ASTM A-753 and is equivalent to MIL-N-14411c which is no obsolete.