INTERNAL STRAINS IN GUN FORGINGS.
274
Tube 11784 Br Breech Slice.
State of internal strains and stresses at different phases of the slice,
SLICE INTACT.
Interior diameter of slice, 4".75; exterior diameter of slice, 10'vil.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.9158 5.6547 9.65515 10.2544	Inch.	Inch. .0078 .0039	Pounds.	Pounds. 47,600 20,700
					
		.0061 .00615		19.000 18.000	
					
					
Rings 1 and 4 detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5".5; exterior diameter of slice, 9".8.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.9236 5.6531 9.65415 10.24825	Inch.	Inch.	Pounds.	Pounds.
			.0055		29,200
		.0051		15,800	
					
					
RINGS ALL DETACHED.
	5.6586 9.64905