ABSTRACT

S7 Annealed 640 L6 Annealed 655 S1 Annealed 690

L2 Annealed 710 S5 Annealed 725

L2 Oil quenched from 855 •C and single tempered at: 650 •C 930 L6 Oil quenched from 845 •C and single tempered at: 650 •C 965 S5 Oil quenched from 870 •C and single tempered at: 650 •C 1035

S7 Fan cooled from 940 •C and single tempered at: 650 •C 1240 L2 Oil quenched from 855 •C and single tempered at: 540 •C 1275 L6 Oil quenched from 845 •C and single tempered at: 540 •C 1345 S1 Oil quenched from 845 •C and single tempered at: 650 •C 1345

S5 Oil quenched from 870 •C and single tempered at: 540 •C 1520 L2 Oil quenched from 855 •C and single tempered at: 425 •C 1550 L6 Oil quenched from 845 •C and single tempered at: 425 •C 1585 S1 Oil quenched from 845 •C and single tempered at: 540 •C 1680

L2 Oil quenched from 855 •C and single tempered at: 315 •C 1790 S1 Oil quenched from 845 •C and single tempered at: 425 •C 1790 S7 Fan cooled from 940 •C and single tempered at: 540 •C 1820 S5 Oil quenched from 870 •C and single tempered at: 425 •C 1895

S7 Fan cooled from 940 •C and single tempered at: 425 •C 1895 S7 Fan cooled from 940 •C and single tempered at: 315 •C 1965 L2 Oil quenched from 855 •C and single tempered at: 205 •C 2000 L6 Oil quenched from 845 •C and single tempered at: 315 •C 2000

S1 Oil quenched from 845 •C and single tempered at: 315 •C 2030 S1 Oil quenched from 845 •C and single tempered at: 205 •C 2070 S7 Fan cooled from 940 •C and single tempered at: 205 •C 2170 S5 Oil quenched from 870 •C and single tempered at: 315 •C 2240

S5 Oil quenched from 870 •C and single tempered at: 205 •C 2345

Source: data from ASM Metals Reference Book, Second Edition, American Society for Metals, Metals Park, Ohio 44073, p241, (1984).