Grade 3

nominal Diameter
D
a
(mm)
b
(mm)
c
(mm)
weight prooF test kgF break test kgF
mm inches kg. lbs.
16 5/8 96 67 24 0.57 1.25 15100 21600
19 3/4 120 84 30.5 1.09 2.40 21600 30900
22 7/8 134 93 33 1.75 3.8 29300 41700
24 15/16 144 101 36 2.1 4.6 34000 48500
25 1 152 107 38 2.5 4.8 38000 54300
29 1-1/18 174 122 44 4.8 10.5 49200 70400
32 1-1/4 192 134 49 5.0 11.0 59500 84900
34 1-3/8 210 146 54 6.5 14.3 70400 100900
36 1-7/16 216 151 55 8.0 17.6 76700 109400
38 1-1/2 228 160 58 9.0 19.8 83300 118900
42 1-5/8 252 176 64 12.0 26.5 102000 143400
44 1-3/4 264 185 67 14.0 30.9 111900 159900
46 1-13/16 276 193 70 15.0 33.1 119800 171100
48 1-7/8 288 202 73 18.0 39.7 130000 185100
51 2 306 214 78 21.0 46.3 145400 207700
54 2-1/8 324 227 82 24.0 52.9 162000 231500
56 2-3/16 336 235 85 26.0 57.3 174000 248000
58 2-1/4 348 244 88 31.0 68.3 185400 265000
60 2-3/8 360 252 91 34.0 75.0 199600 285200
62 2-7/16 372 260 94 36.0 79.4 210000 300000
64 2-1/2 384 269 97 38.0 83.8 223000 319000
67 2-5/8 402 281 102 41.0 90.4 242900 347000
70 2-3/4 420 294 106 52.4 115.7 263500 376400
73 2-7/8 438 307 111 60.0 132.3 285000 407000
76 3 456 319 116 70.0 154.3 308200 440200
78 3-1/16 468 328 119 71.0 156.5 322000 459000
84 3-5/16 504 353 128 92.0 202.8 369300 527600
87 3-7/16 522 365 132 103.0 227.1 395100 564300
89 3-1/2 534 374 135 113.0 249.1 409000 584300
92 3-5/8 552 386 140 115.0 253.5 434800 621200
95 3-3/4 570 399 144 132.0 291.0 462300 660100
102 4 612 428 155 163.0 359.4 522100 746000
108 4-1/4 648 454 164 196.0 432.1 577000 825000
111 4-3/8 666 466 169 213.0 469.6 607000 867200
114 4-1/2 684 479 173 233.0 513.7 637300 910900