| John Joseph Welch - Naval architecture - 1891 - 216 pages
...the specimens so treated must stand being bent double in a press to a curve of which the inner radius is equal to one and a half times the thickness of the plate tested. Moulded steel is also subjected to hot and cold forge tests to prove its fitness for service.... | |
| Walter S. Hutton - Locomotive boilers - 1891 - 530 pages
...the surveyor. The test-pieces are heated to a low cherry-red, and cooled in water of 82° Fahr. They must then stand bending to a curve, the inner radius of which is one and a half times the thickness of the piece. All plates passed by Lloyd's surveyors are branded,... | |
| Joseph Kendall Freitag - Building, Iron and steel - 1895 - 268 pages
...Test. — Duplicate specimens will be required to stand bending 180° around a mandrel, the diameter of which is equal to one and a half times the thickness of the specimen, without showing signs of rupture on either concave or convex side. After being heated to... | |
| William Frederick Durand - Marine engineering - 1901 - 738 pages
...manner : Inspectors shall promiscuously select one bar from each lot and bend one end of such bar cold to a curve, the inner radius of which is equal to one and one-half times the diameter of the test bar ; and should any such test bar break in the bending process... | |
| Harry de Berkeley Parsons - Steam-boilers - 1903 - 396 pages
...manner: Inspectors shall promiscuously select' one bar from each lot and bend one end of such bar cold to a curve the inner radius of which is equal to one and one-half times the diameter of the test-bar; and should any such test-bar break in the bending process... | |
| 1906 - 576 pages
...classes of plates is the bending test, in which a shearing is taken about 10 in. or 11 in. long by 1 i in. wide, heated to a low cherry red, and cooled in...before being worked up, tests which were not insisted Boi riven nom iour-speeu cone puueys ^IIUL iown), but the radial drill has a separate Г1! ' 1 1 I... | |
| 1906 - 576 pages
...Samples are also to be heated to a low cherry red and cooled in water of 82° Fahr., and then bent to a curve the inner radius of which is equal to one and a half times the thickness of the plate. Tests of other inspecting bodies do not vary much from the above. They are summarised below. British... | |
| Civil engineering - 1907 - 668 pages
...the bar. Steel bars for stays or braces must also pass a bending test; the sample is to be bent cold to a curve the inner radius of which is equal to one and one-half times the diameter of the bar, and must stand this bending without showing flaws or cracks.... | |
| Agriculture - 1907 - 636 pages
...steel bars to be used for stays or braces must pass a cold bending test; the sample is to be bent cold to a curve the inner radius of which is equal to one and one-half times the diameter or thickness of the bar, and must stand this bending without showing flaws... | |
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