12-INCH STEEL B. L. KIFLES
48
Jacket.
No. 7252.
16763 B5
Marks, b To m Diameter, ".564.
Sectional area, .25 square inch. Gauged length, 3".
Remarks.
Elastic limit.
Tensile strength.
Elongation per inch.	Successive elongation per inch.	Permanent set.	Successive permanent set.
Inch. 0. .000100 .000300 .000667 .001000 .001167 .001333 . 001400 .001700 . 001733 .003667 .004300 .004833 .005400 .006333	Inch. 0. .000100 .000200 . 000367 .000333 .000167 .000163 . 000067 . 000300 .000033 . 001934 . 000633 .000533 . 000567 .000933	Inch. 0. 0.	Inch. 0. 0.
			
			
		0.	0.
		0.	0.
			
			
			
			
			
			
			
			
Applied loads per square inch.
Pounds. 1,000 5,000 10,000 20,000
30.000
35.000
40.000
42.000
50.000
51.000
52.000
53.000
54.000
55.000
56.000 100,640
General summary.
Tensile strength per square inch of original section..........................pounds.. 100,640
Elastic limit per square inch of original section................................do... 51,000
Elongation per inch after rupture...............................................inch..	. 2033
Elongation per inch under strain at elastic limit................................do... . 001733
Reduction in diameter at point of rupture........................................do...	. 124
Reduction in area after rupture, per cent of original section......................... 39.2
Position of rupture......................................................... at middle of stem
Character of broken surface........*.................................................... silky
Elongation of inch sections................................................... 13,	34*, ". 14