Report of the Tests of Metals and Other Materials for Industrial Purposes Made with the United States Testing Machine at Watertown Arsenal, Massachusetts, During the Year Ended ...

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U.S. Government Printing Office, 1893 - Building materials
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Page 74 - .565. Sectional area, .25 square inch. Gauged length, 3". General summary. Tensile strength per square inch of original section pound«. Elastic limit jter square incli of original section do. • Elongation per inch after rupture inch. Elongation per inch under strain at elastic limit do. . Reduction in diameter at point of rupture do. . Reduction iu area after rupture, per cent, of original section Position of rupture 1...
Page 25 - .505. Sectional area, .20 square inch. Gauged length, 2". General summary. Tensile strength per square inch of original section pounds. Elastic limit per square Inch of original section do.. Elongation per inch after rupture inch . Elongation per inch under strain at e'astic limit do.. Reduction In diameter at point of rupture do. . Reduction in area after rupture, pee cent of original section 46. 2 Position of rupture 1...
Page 43 - Sectional area, .25 square inch. Gauged length, 3". GENERAL SUMMARY. Tensile strength per square inch of original section pounds...
Page 20 - ... .505. Sectional area, .20 square inch. Gauged length, 2". General summary. Tensile strength per square inch of original section ................ pounds. Elastic limit per square inch of original section ................ do. . Elongation per inch after rupture ................ inch.
Page 88 - Elastic limit per square inch of original section do... 47,000 Elongation per inch after rupture .- inch..
Page 76 - Reduction in diameter at point of rupture do... .094 Reduction in area after rupture, per cent of original section S0. 6 Position of rapture l."6 from neck Character of broken surface granular 70 percent, silky 30 per cent 1 of inch sections ".14, ".28s, ".1
Page 27 - .505. Sectional area, .20 square inch. Gauged length, 2".
Page 354 - Position of rupture at middle of stem Character of broken surface silky Elongation of lack eectiuiu ".13, ".35, ".11 Applied loada. Elongation per inch. Successive elongation per inch. Permanent set. Successive permanent set. Remarks. Total. Fer square inch. Pound».
Page 564 - .564. Sectional area, .25 square inch. » Elastic limit, 10,520 pounds — 42,080 pounds per sqnnre inch. Tensile strength, 21,590 pounds = 80,300 pounds per square inch. Elongation in 3 inches ".05 = 21.7 per cent. Elongation of inch sections: ".14, ".31*, ".20." Diameter at fracture, ".45; area, .159 square inch. Contraction of area, 36.4 per cent. Fractured 1".4 from the iieck. Appearance, silky. No. 4904. Diameter, ".505. Sectional area, .20 square inch. " Elastic limit, 9,440 pounds = 47,200...
Page 5 - ... what treatment is necessary to produce maximum results as regards strength, or how the physical properties may be controlled by varying the tempering methods. Additional tests were made with steel rails and the peculiarities observed in the tests of the previous year received further confirmation — that is, in regard to the loss in ductility of the metal in the heads of old rails — by reason of which old rails are found low in strength and toughness when bent transversely with the head on...

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