PITOT YOKES---15-POUNDER GUN MOUNTS.
118
No. 7226.
Marks, Ipyi5 Diameter, ".505.
Sectional area, .20 square inch. Gauged length, 2".
Remarks.
Initial load.
Elastic limit.
Tensile strength.
Applied loads per square inch.	Elongation per inch.	Successive elongation per inch.	Permanent set.	Successive permanent set.
Pounds. 1,000 5,000 10,000 20,000 30.000 33.000 34.000 35.000 36.000 37.000 38.000 49,900	Inch. 0. .00015 . 00030 .00060 .00100 .00110 .01060 . 01090 .01160 . 01250 . 01360	Inch. 0. .00015 .00015 .00030 . 00C10 .00010 .00950 .00030 . 00070 .00090 .00110 .	Inch. 0. 0.	Inch. 0. 0.
				
				
				
				
				
				
				
					
				
				
...........pounds..	49,900
..............do...	33,000
.............inch..	.0550
..............do...	.00110
..............do...	.015
................... 5.7
.......... ".40 from neck
silkv, trace of granulation ............... ".08*,".03
General summary.
Tensile strength per square inch of original section......
Elastic limit per square inch of original section........
Elongation per inch after rupture........................
Elongation per inch under strain at elastic limit........
Reduction in diameter at point of rupture....................
Reduction in area after rupture, per cent of original section..
Position of rupture......................................
Character of broken surface..............................
Elongation of inch sections..............................
No. 7263.
Marks, I p8y is Diameter, ".505.
Sectional area, .20 square inch. Gauged length, 2".
Remarks.
Initial load.
Elastic limit.
Tensile strength.
Permanent set.	Successive permanent set.
Inch. 0. 0.	Inch. 0. 0.
	
	
	
	
	
	
	
	
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1 i	
Successive elongation per inch.
Inch.
0.
.00010 .00025 .00035 .00045 .00020 .00615 .00225 .00075 .00075 .00100
Elongation per inch.
Applied loads per square inch.
Inch.
0.
.00010 .00035 .00070 .00115 .00135 .00750 .00975 .01050 .01125 .01225
Pounds. 1,000 5,000 10,000 20,000
30.000
33.000
34.000
35.000
36.000
37.000
38.000 75,900
................ pounds.. 75,900
.....................do... 33,000
..................inch.. .2100
..................do... .00135
................do...	.065
V............................. 23• 9
....................... 1" from neck
granular, silkv spot at circumference
19.״ ,*23.״..........................
General summary.
Tensile strength per square inch of original section....
Elastic limit per square inch of original section.:.....
Elongation per inch after rupture.......................
Elongation per inch under strain at elastic limit.......
Reduction in diameter at point of rupture. ..................
Reduction in area after rupture, per cent of original section.
Position of rupture.....................................
Character of broken surface...............................
Elongation of inch sections.............................* • ־ ־