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<br /> <br /> Table S.--Pipeline Character istics <br /> Pipeline, SMYSr MAOPZ Tangential 72 pct 18 pct Minimum <br /> nominal stress from of of biaxial <br /> diam. pressurization3 SF1YS Sh1YS µstrain at <br /> 18 pct <br /> SMYSs <br /> 6 used 42,000 560 9,309 30,240 7,560 179 <br /> 12 used 35,000` 989 24,231 25,200 G,300 150 <br /> 12 new 42,000 1186 29,057 30,240 7,560 179 <br /> 20 used 56,000` 1048 36,315 37,440 10,080 239 <br /> 8 PVC 7,000 ]60 1,918 5,040 -- -- <br /> ~SMYS = Specified minimum yield strength, lb/inZ. <br /> 2MAOP = Maximum allowabl e operating pressure, lb/inz . <br /> 3Circumferential stress based on PD/2t where P is in ternal pressure (MAOP), D is <br /> inside diameter and t i s wall thickness. If D is th e outside diameter, tiie pressur- <br /> ization-induced stresse s are exactally equal to the 72 pct of SMYS for ttie 12 and <br />• 20-in pipelines. <br /> `Tested by MQS Services and found to be 34,800 and 55,000 for the 12- and 20-in, re- <br /> spectively. <br /> sStrains computed by as suming simultaneous peak and equal stresses as worst possible <br /> case, using formulas in table 4. <br /> <br />142 <br />