WBOUGHT IBOif,
428
No. 7416.
Best Puddled Iron.
Diameter, 1".129.
Sectional area, 1 square inch. Gauged length, 10”.
Applied loads per square inch.	In gauged length.		Remarks.
	Elonga- tion.	Set.	
Pounds.	Inches.	Inch.	
1,000	0.	0.	
5,000	.0012	0.	
10,000	.0032		
20,000	.0070		
30,000	.0106	.0001	
31,000	.0111		Elastic limit.
31,100	.1250		
31,500	.1490		
32,000	.1600		
33,000	.20		
34,000	.24		
36,000	.30		
38,000	.41		
40,000	.52	.50	
Rested	without load 1 day.		
1,000	0.	0.	
5,000	.0013		
10,000	.0032		
20,000	.0075		
30,000	.0116		
40,000	.0157	0.	
41.000 42.000	.0162 .0165		Micrometer reset at zero on the original gauged length.
43,000	.0170	0.	
44,000	.0178		
44,500	.0191		
45,000	.0200		
45,500	.0229		
46,000	.1990	.1768	
47,000	.73		
48,000	.82		
49.000	.92		
50,000	1.08		
50,900	1.40		Tensile strength.
0	1.35		= 15.5 per cent.
Elongation of inch sections: ".13, ”.13, ".13, ".13, ".16, ".32*, ".20
".12, ".12, ".11.
Diameter at fracture, ".95; area, .709 square inch.
Contraction of area, 29.1 per cent.
Appearance of fracture, fibrous, seamy.