CAST IliON AND PIG IKONS
Anchor Bolts for Gun Carriages.
Tension specimens.
K- s»"-M
Bending specimens.
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H- 10״ —H
No. of test.	Description.	Diam- eter.	Sectional area.	Elastic limit per square inch.	Tensile strength per square inch.	Elongation in 8 inches.	Contraction of area.	Appearance or fracture.	Elongation of inch sections.	Bending tests.
		Inches.	Sq. inches.	Pounds.	Pounds.	Per cent.	Per cent.	Silky, cup-shaped.		
10284	lHnch bolt, for Portland, Me.	1.125	1.00	34,800	58,780	31.1	62.6		,31 .״ ,24.״ ,20.״ ,24.״ ,32.״ ,*76.״ .19 .״ ,23 .״	Bent cold 180°, and closed down upon itself without fracture on tension side of
10385	2H’nch bolt, for Portland, Me.	1.129	1.00	26,600	59,900	29.4	40.6	Silky, spotted with lighter-colored metal.	,31.״ ,23.״ ,22." ,28.״ ,37.״ *52.״ .17 .״ ,25.״	Bent cold 180°, and closed down without fracture.
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