INTERNAL STRAINS IN GUN FORGINGS,
326
Tube 11837 B3.
Muzzle Slice.
State of internal strains and stresses at different phases of the slice.
SLICE INTACT.
Interior diameter of slice, !".15; exterior diameter of slice, 8".57.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
1		Inches. 4.3006 5.1481 7.1457 8.2431	Inch.	Inch. .0025 .0005	Pounds.	Pounds. 17,400 2,900
2						
3			. 00175		7,300	
4				.0018		6,600
					
Rings 1 and 4 detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5"; exterior diameter of slice, 7”.3.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.3031 5.1477 7.1454 8.2449	Inch.	Inch.	Pounds.	Pounds.
2				.0009		5,200
3			. 00145		6,100	
					
					
KINGS ALL DETACHED.
	5.1486 7.14395