 | United States. War Department - 1882 - 1042 pages
...square inch. Betiding leste. — All iron for tension members must bend cold, for about 90 degrees to a curve whose diameter is not over twice the thickness...cracking. At least one sample in three must bend 180 degrees to this curve without cracking. When nicked on one side, and bent by a blow from a sledge,... | |
 | United States. Congress. House - United States - 1124 pages
...inch. Binding /«</*. — All iron for tension members must bend cold, for about 90 degrees to a cnrye whose diameter is not over twice the, thickness of...without cracking. At least one sample in three must bend lî-'O degrees to this curve without cracking. Then nicked on one side, and bent by a blow from a sledge,... | |
 | John Alexander Low Waddell - Bridges - 1885 - 378 pages
...pounds, and elongate 10 per cent. All iron for" tension members must bend cold, for about 90 degrees, to a curve whose diameter is not over twice the thickness...cracking. At least one sample in three must bend 180 degrees to this curve without cracking. When nicked on one side, and bent by a blow from a sledge,... | |
 | John Davenport Crehore - Girders - 1886 - 604 pages
...per cent in S inches. 7. All iron for tension members must bend cold, for about 90 degrees, Bendingto a curve whose diameter is not over twice the thickness of the piece, t*«u. without cracking. At least one sample in three must bend 180 degrees to this curve without cracking.... | |
 | William Hubert Burr - Building materials - 1888 - 842 pages
...pounds, and elongate 10 per cent. 108. All iron for tension members must bend cold, for about 90 degrees, to a curve whose diameter is not over twice the thickness...cracking. At least one sample in three must bend 180 degrees to this curve without cracking. When nicked on one side, and bent by a blow from a sledge,... | |
 | Budget - 1889 - 1298 pages
...10 per cent. All iron for tension members must be capable of being bent cold, for about 90 degrees to a curve whose diameter is not over twice the thickness...cracking. At least one sample in three must bend 180 degrees to this curve without cracking. When nicked on one side, and bent by a blow from a sledge,... | |
 | William Rich Hutton - Arch bridges - 1889 - 320 pages
...per cent. All iron for tension members must be capable of being bent cold, for about ninety degrees, to a curve whose diameter is not over twice the thickness...cracking. At least one sample in three must bend 180 degrees to this curve without cracking. When nicked on one side and bent by a blow from a sledge, the... | |
 | Augustus Jay Du Bois - Bridges - 1890 - 634 pages
...Bending Tests. -> ,, , _. , i •52. All iron for tension members must bend cold for about oo degrees, to a curve whose diameter is not over twice the thickness...cracking. At least one sample in three must bend 180 degrees to this curve without cracking. When nicked on one side, and bent by a blow from a sledge,... | |
 | William Harvey Birkmire - Girders - 1893 - 186 pages
...signs of fracture on the convex side. All iron for tension members must bend cold through 90 degrees to a curve whose diameter is not over twice the thickness of the piece, without cracking ; at least one example in three must bend through 180 degrees to this curve without cracking. When nicked on one side... | |
 | Carnegie Steel Company, Limited - Steel - 1893 - 318 pages
...cent, in 8 inches. 177 9. Specimens from angle and other shaped iron must bend cold through 90 degrees to a curve whose diameter is not over twice the thickness of the piece, without cracking. PLATES. 10. The same sized specimens, taken from plates 8 inches to 24 inches in width, shall show... | |
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At least one sample in three must bend 180 degrees to this curve without cracking. When nicked on one side, and bent by a blow from a sledge, the fracture must be nearly all fibrous, showing but few crystalline specks. 109. Specimens from angle, plate... 
