. Strength and other properties of wire rope. . . . . Inch 2 001385. .001590. 001385. 001320. 001353 . 001590. 001385. 001385. 001353 . 001320. 001353 .001626. 001353. . 001353 Pounds 327301344314 378342335335 380354343340 364344314334 358343346333 360357337346 *241 700217 300260 600249 800 Per 2 1 |3 [3 4 0 fl b 242 400 237 700 246 900253 800 247 600 2 5 0 2 |3 13 4 8 M b 246 500 239 000255 600247 700251 300 48 J2
. Strength and other properties of wire rope. . . . . Inch 2 001385. .001590. 001385. 001320. 001353 . 001590. 001385. 001385. 001353 . 001320. 001353 .001626. 001353. . 001353 Pounds 327301344314 378342335335 380354343340 364344314334 358343346333 360357337346 *241 700217 300260 600249 800 Per 2 1 |3 [3 4 0 fl b 242 400 237 700 246 900253 800 247 600 2 5 0 2 |3 13 4 8 M b 246 500 239 000255 600247 700251 300 48 J2 3 |3 5 0 fl b 248 400 228 900248 400237 900246 900 J2 4 |3 [3 fl b 240 500 220 200253 500262 100252 300 2 5 3 3 fl b 247 000 226 400257 800255 300255 700 J2 |3 5 0 (3 4 5 b 248 800 c 245 600 a vSee Fig. i (d). b Weighted mean. Weights were taken proportional to the areas of wires. c Average for strands = average for cable. Bureau of Standards Technologic Paper No. 121. Fig. 13.—Machine for obtaining tensile strengths of wires Tests of Wire Rope 63 of the wires in a single strand of a cable. The strand was takenfrom a live-eighths inch plow-steel cable, serial No. 94 of Table6. The position of the wire in a strand is indicated by numerals1,2, and 3. (See Fig. 1 (d).) The mean tensile strength of thewires was found to be 245 600 pounds per square inch, with amaximum departure from the mean of 28300 pounds per squareinch. For the five-eighths-inch cables, serial Nos. 95 and 96,upon which similar tests were made of the wires, the mean valueswere found to be 253 100 and 252 300 pounds per square inch,respectively. The stresses for individual wires varied from 231 400to 297 300 pounds per square inch in the first cable, and from233 400 to 349 500 pounds per square inch in the second, theaverage departure from the means being much smaller. Table21 gives in abstract the results of a large number of similarte
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Keywords: ., bookauthorbraggjg, bookcentury1900, bookdecade1910, bookyear1919
