INTERNAL STRAINS IN GUN FORGINGS
242
Tube 11363 B8.
Muzzle Slice.
(#" discard.)
State of internal strains and stresses at different phases of the slice.
' SLICE INTACT.
Interior diameter of slice, 4".23; exterior diameter of slice, 8”.63.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.3846 5.1539 7.1413 8.39945	Inch.	Inch. . 0062 .00145	Pounds.	Pounds. 42,400 8,400
					
		. 00285 . 00155		12,000 5,500	
					
					
Rings 1 and 4 detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5".00; exterior diameter of slice, 7".30.
3 4
Rings.	Present mean diameters.	״ Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.3908 5.1532 7.14075 8.3979	Inch.	Inch.	Pounds.	Pounds.
			. 00215		12,500
		.0023		9,700	
					
					
RINGS ALL DETACHED.
	5.15535 7.13845