INTERN AL STRAINS IN G-TJN FORGINGS.
278
Tube 11784 Br Breech Slice.
After annealing 7 feet of the breech at 665° F.
State of internal strains and stresses at different phases of the slice.
slice intact.
Interior diameter of slice, 4".76; exterior diameter of slice, 10".45.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.9231 5.64925 9.64575 10.2775	Inch.	Inch. .00275 .0023	Pounds.	Pounds. 16,800 12,200
					
		. 00285		8,900	
			.0006		1,800
					
Rings 1 and 4 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. 4.92585 5.6482 9.64515 10.2781	Inch.	Inch.	Pounds.	Pounds.
			. 00335		17,800
		. 00225		7,000	
					
					
RINGS ALL DETACHED.
	5.65155 9.6429		*