INTERNAL STRAINS IN GUN FORGINGS. 256 Tube 11775 B8. Breech Slice. discard.) State of internal strains and stresses at different phases of the slice. SLICE INTACT. Interior diameter of slice, 4".66; exterior diameter of slice, 10".44. Bings. Present mean diameters. Strains. Stresses per square inch. Tension. Compres- sion. Tension. Compres- sion. Inches. 4.8135 5.65555 9.64545 10.2820 Inch. Inch. .0053 .00235 Pounds. Pounds. 33,000 12,500 3 . 0038 * 11,800 4 .0006 1,700 Rings 1 and 4 detached; rings 2 and 3 in the slice. Interior diameter of slice, 5". 50; exterior diameter of slice, 9".80. i i Rings. Present mean diameters. Strains. Stresses per square inch. Tension. Compres- sion. Tension. Compres- sion. Inches. 4.8188 5.6539 9.64415 10.2826 Inch. Inch. Pounds. Pounds. .0040 21,200 .0025 7,800 KINGS ALL DETACHED. 5.6579 9.64165