INTERNAL STRAINS IN GUN FORGINGS, 330 Tube 11837 B3. Muzzle Slice. State of internal strains and stresses at different phases of the slice. SLICE INTACT. Interior diameter of slice, 4".14; exterior diameter of slice, 8".56. Rings. Present mean diameters. Strains. Stresses per square inch. Tension. Compres- sion. Tension. Compres- sion. 1 Inches. 4.2626 5.1400 7.14215 8.2721 Inch. Inch. .0064 .0022 Pounds. Pounds. 45,000 12,800 .0039 .0059 16.400 21.400 4 Rings 1 and 4 detached; rings 2 and 3 in the slice. Interior diameter of slice, 5".00; exterior diameter of slice, 7".30. 1 4 Rings. Present mean diameters. Strains. Stresses per square inch. Tension. Compres- sion. Tension. Compres- sion. Inches. 4.2690 5.13915 7.1417 8.2662 Inch. Inch. Pounds. Pounds. 2 . 00305 17,800 8 . 00345 14,500 KINGS ALL DETACHED. 5.1422 7.13825