Downloaded from https://www.everyspec.com TABLE OF CONTENTS-(continued) G . R iding . . . . . . . . . . . . . . . . . . . . . 30 1. Profile ......... .................... 30 2. Rifling Twist ....... ................. 31 3. Rtihng Torque ....... ................. 3. H. Determination of Thickness of Tube Walls ... ..... 38 1. Design Pressures ...... ................ 38 2. Strength Requirements ..... ............. 39 3. Equivalent Stress ...................... 40 4. Pressure Stresses ...... ................ 40 5. Rifling Torque Stresses ..... ............. 41 6. Shrinkage Stresses ............... 41 7. Thermal Stresss ...... ................ 44 8. Inertia of Recoil Stresses ..... ............
45 9. Stress Concentration ...... .............. 45 10. Special Applications for Tube Analyses 45 11. Stress Compensating Measures ...... . . . 60 12. Strain Compensation ...... .............. 62 I. Liner Design ....... ................... 63 J. Quasi Two-Piece Tube ...... ............... 63 K. Mechanical Features ...... ............... 64 1. Threads ....... ................... 64 2. Rifling Torque Transmitters ................ 66 3. Muzzle Attachments .................. ... 66 L. Gun Tube Materials ................ 66 S1. Steel ....... ..................... 66 2. Titanium Alloy .... ................ ... 68 3. Aluminum ..... .................. ... 71 4. Plastics ........ ....................
71 5. Stellite ........ .................... 72 6. Chromium ......... .................. 72 M. Manufacturing Procedures ............... ... 73 CHAPTEII 7. MAINTENANCE ......... ................... 74 A. Corrosion Inhibitors ...... ............... 74 B. Inspection ......................... ... 74 CHAPTER 8. SAMPLE PROBLEMS ..... ................. ... 75 A. Monobloc Tube, Artillery ..... ............. 7,5 1. Regular Tube ....... ................. 75 2. Autofreitaged Tube ................. .. 76 B. Jacketed Tube, Artillery ...... ............. 76 1. Tube With Single Jacket ..... ............ 76 2. Tube With Two Jackets ............... ... 78 Iv