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A 53/A 53M -06a <br /> TABLE X2.4 Table of Minimum Permissible Well Thicknesses on Inspection for Pipe Specified Wall Thicknesses <br /> NOTE 1-The following equation,upon which this table is based,shall be applied to calculate minimum permissible wall thickness from specified wall <br /> thickness: <br /> r, x 0.875=r,, <br /> where: <br /> t,=specified wall thickness,in.[mm], and <br /> t,„=minimum permissible wall thickness,in. [mml. <br /> The wall thickness is expressed to three [two] decimal places, the fourth [third] decimal place being carried forward or dropped in accordance with <br /> Practice E 29. <br /> Nom. 2-This table is a master table covering wall thicknesses available in the purchase of different classifications of pipe,but it is not meant to imply <br /> that all of the walls listed therein are obtainable under this specification. <br /> Specified Wall Minimum Specified Wall Minimum Specified Wali Minimum <br /> Thickness(tJ, Permissible Wall Thickness(t,), Permissible Wall Thickness(Q, Permissible Wall <br /> in.Imml Thickness on in.Imm) Thickness on in.[mm] Thickness on <br /> Inspection(IJ, Inspection(t,,,), inspection(t„J, <br /> in.(mm] in.[mm] in.Imml <br /> 0.068[1.731 0.060[1.52) 0.294[7.471 0.25716.531 0.750[19.05) 0.656[16.661 <br /> 0.086[2.241 0.077(1.961 0.300(7.621 0.262 16.651 0.812[20.621 0.710[18.031 <br /> 0.091 [2.311 0.080[2.031 0.307(7.801 0.269[6.83] 0.844 121.441 0.739[19.771 <br /> 0.095[2.411 0.083[2.111 0.306[7.821 0.270[6.861 0.864[21.941 0.756(19.201 <br /> 0.109(2.771 0.095[2.411 0.312[7.921 0.273(6.931 0.875[22.22] 0.766[19.461 <br /> 0.113[2.871 0.099 12.511 0.318(6.081 0.278(7.061 0.906(23.011 0.793(20.14) <br /> 0.119[3.021 0.104 12.641 0.322[8.181 0.282(7.16) 0.938[23.821 0.821(20.851 <br /> 0.125(3.181 0.109 12.77) 0.330 18.381 0.289 17.341 0.968(24.591 0.847[21.511 <br /> 0.126[3.201 0.110(2.791 0.337(8.561 0.295 V.491 1.000[25.401 0.8733[22.22] <br /> 0.133(3.381 0.116 12.951 0.343(8.71] 0.300(7.62] 1.031 [26.191 0.902 122.911 <br /> 0.140(3.561 0.122(3.10) 0.344[8.741 0.301 [7.65] 1.062 126.971 0.929(26.301 <br /> 0.145[3.681 0.127.[3.231 0-358[9.09] 0.313[7.951 1.094[27.791 0.957[24.311 <br /> 0.147(3.731 0.129(3.281 0.365(9.27) 0.319(8.101 1.125[28.58) 0.984 124.991 <br /> 0.154(3.911 0.135[3.431 0.375 19.521 0.328(8.331 1.156 129.361 1.012[25.701 <br /> 0.156(3.961 0.136(3.451 0.382[9.701 0.334[8.461 1.219[30.961 1.067(27.081 <br /> 0.179[4.551 0.157[3.99) 0.400(1).161 0.350(8.891 1.250(31.751 1.094(27.79) <br /> 0.187[4.751 0.164(4.171 0.406 110.31) 0.355(9.021 1.281 [32.541 1.121 (28.471 <br /> 0.188[4.781 0.16414.171 0.432(10.971 0.378(9.601 1.312[33.321 1.148[29.161 <br /> 0.191 (4.851 0.167[4.24) 0.436[11.071 0.382[9.701 1.343 134.111 1.175[29.851 <br /> 0.200(5.08] 0.175[4.441 0.437(11.101 0.382[9.701 1.375[34.921 1.203130.561 <br /> 0.203[5.16] 0.178(4.521 0.438[11.131 0.383 19.731 1.406(35.711 1.230 131.241 <br /> 0.216[5.491 0.189(4.801 0.500 112.70] 0.438[11.13] 1.438 136.531 1.258 131.951 <br /> 0.218[5541 0.191[4.851 0.531 113.49] 0.465[11.811 1.500[38.101 1.312[33.321 <br /> 0.219[5561 0.192(4.88) 0.552[14.02] 0.483[12271 1.531 [38.69] 1.340 134.041 <br /> 0.226(5.741 0.198(5.031 0.562(14.271 0.492[12.501 1.562(39.67] 1.367(34.721 <br /> 0.237[6.021 0.207 15.261 0.594[15.09] 0.520(13.211 1.594(40.491 1.395[35.431 <br /> 0.250(6.351 0.219[5.561 0.600[15.241 0.525 113.341 1.750[44.45] 1.531 138,891 <br /> 0.258(6.551 0.226[5.741 0.625(15.88] 0.547[13.89) 1.781 [45.241 1.558(39.571 <br /> 0.276[7.011 0.242 16.151 0.656(16.661 0.674[14.581 1,812(46.02) 1.586 140.281 <br /> 0.277(7.041 0.242[6.151 0.674[17.121 0.590(14.99] 1.968[49.99] 1.722[43.741 <br /> 0.279[7.091 0.244[6.201 0.688(17.481 0.602(15.291 2.062[52.371 1.604(45.821 <br /> 0.280(7.111 0.245 16.221 0.719[18.261 0.629115.981 2.344(59.541 2.051 152.101 <br /> 0.281 17.141 0.246(6.251 <br /> 17 <br />