all have b s gt 0 5t and thus do not come into consideration for the applications desired here alloys 7 through 11 are suitable these achieving both b s gt 0 5t and b r b s gt 0 6 __________________________________________________________________________remanance relationship as quenched and after20 hours heat treatment in the longitudinalfield at the indicated annealing temperatures asalloy b sub s t quenched 100 u00b0 c 110 u00b0 c 120 u00b0 c 130 u00b0 c 150 u00b0 c __________________________________________________________________________ fe sub 18 5 ni sub 58 5 b sub 23 0 49 0 35 0 36 0 32 0 30 0 29 0 30 fe sub 23 ni sub 52 b sub 25 0 35 0 44 0 49 0 43 0 44 0 41 0 51 co sub 66 5 fe sub 3 5 mo sub 2 si sub 18 b sub 10 0 39 0 34 0 27 0 26 0 31 0 23 0 31 co sub 65 5 fe sub 3 5 mo sub 2 si sub 17 b sub 12 0 43 0 22 0 21 0 17 0 22 0 27 0 22 co sub 70 3 fe sub 1 8 ni sub 4 3 nb sub 17 2 b sub 6 4 0 41 0 18 0 19 0 17 0 20 0 21 0 22 co sub 67 1 fe sub 1 8 ni sub 6 5 nb sub 18 5 b sub 6.