INTERNAL STRAINS IN GUN FORGINGS.
240
Tube 11363 B2. Breech Slice.
(f" discard.)
State of internal strains and stresses at different phases of the slice.
SLICE INTACT.
Interior diameter of slice, 474.״; exterior diameter of slice, 10״.#,
3 4
Stresses per square inch.	
Tension.	Compres- sion.
Pounds.	Pounds.
	40,500
	11,400
11,200	
7,400	
Strains.
Tension. | 00ST־
Inch. .0066 .00215
Inch.
. 0036 . 00255
Present
mean
diameters.
Inches. 4.89045 5.65385 9.65065 10.2943
Rings.
Rings 1 and 4 detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5".50; exterior diameter of slice, 9".80.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.89705 5.65205 9.6498 10.29175	Inch.	Inch.	Pounds.	Pounds.
			. 00345		Ì8,300
		.00275		8,500	
					
					
RINGS ALL DETACHED.
	5.6555 9.64705