1959, U.S. Atomic Energy Commission, Minutes of the seventh annual Atomic Energy Commission Welding Conference, Four slugs of wrought boron containing stainless steel containing 1 and 2 wt % boron were prepared from 1 in. thick plate material as 1-1/8 in. dla. x 5 in. long obrounds and irradiated in the MTR reactor for a preliminary engineering check of ...