INTERNAL STRAINS IN ■GUN FORGINGS.
292
Tubf. 11784 B3 BM.
Breech Slice.
State of internal strains and stresses at different phases of the slice.
SLICE INTACT.
Interior diameter of slice, 4". 74; exterior diameter of slice, 10".41.
3 4
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.89565 5.66185 9.65895 10.27505	Inch.	Inch. .00495 .0029	Pounds.	Pounds. 30,300 15,400
					
		.0048 .0006		14,900 1,800	
					
					
Rings 1 and 4 detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5".5; exterior diameter of slice, 9".8.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.9006 5.6607 9.65795 10.27445	Inch.	Inch.	Pounds.	Pounds.
			.00405		21,400
		.0038		11,800	
					
					
RINGS ALL D'ETACHED.
	5.66475 9.65415