DIAMETER (IN MM) T B WEIGHT (IN KG/MTR) GRADE K2 – PROOF LOAD (IN KG) GRADE K2 – BREAKING LOAD (IN KG) ISO GRADE 40 – PROOF LOAD (IN KN) ISO GRADE 40 – BREAKING LOAD (IN KN)
8 24 26 1.35 2020 4040 20.1 40.2
9 27 30 1.80 2550 5100 25.4 50.9
10 28 34 2.25 3150 6300 31.4 62.8
11 31 36 2.7 3150 6300 39.4 79.0
13 36 44 3.8 4500 9000 49.2 98.4
14 41 47 4.4 5200 10400 61.8 124
16 45 54 5.8 6750 13500 80.4 161
18 50 60 7.3 8600 17200 102 204
20 56 67 9.0 10600 21200 126 252
23 64 77 12.0 14000 28000 158 316
26 73 87 15.0 17900 35800 197 394
28 78 94 17.5 20800 41500 246 492
33 92 112 24.5 28900 57700 322 644
36 101 122 29.0 34300 68600 407 814
39 109 132 34.0 40300 80500 503 1010