230	INTERNAL STRAINS IN GUN FORGINGS.
Tube 11272 B3 BO—A.
Breech Slice.
Annealed at 600° F.	,
State of internal strains and stresses at different phases of the slice.
slice intact.
Interior diameter of slice, 473.״; exterior diameter of slice, 10".43.
<? 4
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres-' si on.
	Inches. 4.87835 5.6503 9.6487 10.2792	Inch.	Inch. .0041 .0032	Pounds.	Pounds. 25,200 17,000
					
3 			.00265		8,200	
			.00095		2,800
					
					
Rings 1 and 4 detached; rings 2 and 3_in the slice.
Interior diameter of slice, 5".5; exterior diameter of slice, 9".8.
3	4
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.88245 5.64945 9.6482 10.28015	Inch.	Inch.	Pounds.	Pounds.
			. 00405		21,500
		. 00215		6,700	
					
					
					
RINGS ALL DETACHED.
	5.6535 9.64605				
					
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