INTERNAL STRAINS IN GUN FORGINGS.
272
Tube 11775 B4MI.
Muzzle Slice.
State of internal strains and stresses at different phases of the slice.
SLICE INTACT.
Interior diameter of slice, !".24; exterior diameter of slice, 8".57.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
1		Inches. 4.38725 5.1565 7.15455 8.36605	Inch.	Inch. .00375 .0018	Pounds.•	Pounds. 25,600 10,500־
2						
3			.0021		8,800	
4				.0019		6,800
					
Rings 1 and 4 detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5".00; exterior diameter of slice, 7".30.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.3910 5.15575 7.15405 8.36795	Inch.	Inch.	Pounds.	Pounds.
2				.00255		14,800
3			.0016		6,700	
					
					
RINGS ALL DETACHED.
	5.1583 7.15245