MIL-S-21946A, MILITARY SPECIFICATION: STEEL, WROUGHT, MANGANESE - NICKEL, AUSTENITIC (LOW MAGNETIC PERMEABILITY) (18-JUL-1972) [NO S/S DOCUMENT]

MIL-S-21946A, MILITARY SPECIFICATION: STEEL, WROUGHT, MANGANESE - NICKEL, AUSTENITIC (LOW MAGNETIC PERMEABILITY) (18-JUL-1972) [NO S/S DOCUMENT]., This specification covers annealed austenitic manganese-nickel steel bars, forgings, plates, sheets, strips, and structural shapes for uses in applications wherein low magnetic permeability is the primary characteristic required.