INTERNAL STRAINS IN GUN FORGINGS.
316
Tube 11794 B6.
Muzzle Slice.
(f" discard.)
State of internal strains and stresses at different phases of the slice.
SLICE INTACT.
Interior diameter of slice, 4".17; exterior diameter of slice, 8".53.
3 4
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.34275 5.15605 7.1504 8.3875	Inch.	Inch. .0047	Pounds.	Pounds. 32,500
		. 00025 .0021 .00505		1,400 8,800 18,100	
					
					
					
Rings 1 and 4 detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5".0; exterior diameter of slice, 7".3.
3 4
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.34745 5.15505 7.1497 8.38245	Inch.	Inch.	Pounds.	Pounds.
			. 00075		4,400
		.0014		5,900	
					
					
RINGS ALL DETACHED.
	5.1558 7.1483