802	־	INTERNAL STRAINS IN GUN FORGINGS.
Tube 11791 B,.
Breech Slice.
State of internal strains and stresses at different phases of the slice.
SLICE INTACT.
Interior diameter of slice, 4".79; exterior diameter of slice, 10".16.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.91695 5.64855 9.6499 10.2825	Inch.	Inch. .0052 .00445	Pounds.	Pounds. 31,700 23,■600
					
		.0048		14,900	
			.0012		3,500
					
Rings 1 and 1 detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5".50; exterior diameter of slice, 9".80.
3 4
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.92215 5.6472 9.64915 10.2837	Inch.	Inch.	Pounds.	Pounds.
			.0058		30,800
		.00405		12,600	
					
					
RINGS ALL DETACHED.
	5.6530 9.6451