Pipes Japanese Maritime Specification

NominalDiameterMetric SizeNavy Dimension Inch SizeM.M. (NDS) Size5 K 10 KM/M InchOutsideDiam.(mm)WallThick.(mm)Theore.Weight(Kg/m)OutsideDiam.(mm)WallThick.(mm)Theore.Weight(Kg/m)OutsideDiam.(mm)WallThick.(mm)Theore.Weight(Kg/m)OutsideDiam.(mm)WallThick.(mm)Theore.Weight(Kg/m)SEAMLESS6 A 1/8 - - - - - - 6.35 0.89 0.14 - - -10 A 3/8 16 1.0 0.42 - - - 12.71 0.89 0.29 15 1.5 0.5715 A 1/2 20 1.0 0.53 15.14 1.21 0.47 15.14 1.65 0.62 20 1.5 0.7820 A 3/4 25 1.5 0.99 21.49 1.21 0.69 21.49 1.65 0.92 25 1.5 0.9925 A 1 30 1.5 1.20 28.25 1.42 1.07 28.25 1.65 1.23 30 1.5 1.2032 A 1? 38 1.5 1.54 34.60 1.42 1.32 34.60 1.65 1.53 38 2.0 2.0240 A 1? 44.5 1.5 1.81 40.95 1.42 1.58 40.95 1.83 2.01 45 2.0 2.4150 A 2 57 1.5 2.34 54.05 1.62 2.39 54.05 2.11 3.08 55 2.0 2.9865 A 2? 76.1 2.0 4.16 66.75 1.62 2.96 66.75 2.41 4.35 70 2.0 3.8280 A 3 88.9 2.5 6.07 79.86 1.82 3.99 79.86 2.41 5.24 85 3.0 6.9190 A 3 1/2 - - - - - - - - - 95 3.0 7.75100 A 4 108 2.5 7.41 106.27 2.33 6.80 106.27 2.77 8.05 110 3.0 9.02125 A 5 133 2.5 9.16 131.67 2.33 8.46 131.67 3.18 11.47 130 3.0 10.70150 A 6 159 2.5 10.99 157.68 2.64 11.49 157.68 3.40 14.73 160 4.0 17.52175 A 7 - - - - - - - - - 180 4.0 19.77200 A 8 219.1 3.0 18.21 208.48 2.64 15.26 208.48 3.76 21.61 210 4.0 23.14225 A - - - - - - - - - - 230 4.0 25.39250 A 10 267 3.0 22.24 260.50 3.25 23.48 260.50 4.75 34.11 260 4.5 32.29300 A 12 323.9 4.0 35.94 312.11 3.68 31.87 312.11 6.35 54.52 310 5.5 47.03350 A 14 368 4.0 40.89 - - - - - - - - -400 A 16 419.1 4.0 46.62 - - - - - - - - -SEAMLESS OR SEAM WELDED450 A 18 457.2 4.0 50.91 - - - - - - - - -500 A 20 508 4.5 63.63 - - - - - - - - -SEAM WELDED600 A 24 610 5.0 84.96 - - - - - - - - -700 A 28 711 6.0 118.80 - - - - - - - -