INTERNAL STRAINS IN GUN FORGINGS.
334
Tube 12485 B7 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.
i p	rr־r\
1 f		—	l I 1
Li—u		1 1 i
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.9329 5.6479 9.6454 10.2664	Inch.	Inch. .00425 .0033	Pounds.	Pounds. 25,800 17,500
					
		. 00425 .00485		13.200 14.200	
					
					
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
1
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.93715 5.6470 9.64475 10.26155	Inch.	Inch.	Pounds.	Pounds.
			. 0042		22,300
		.0036		11,200	
					
					
RINGS ALL DETACHED.
				
	9.64115			
		1