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Average Physical Properties <br /> 75'F 24'C 21 O'F 991C <br /> Property psi Mpa psi MPa <br /> Axial Tensile-ASTM D2105 <br /> Ultimate Stress 10.300 71 7,700 53 <br /> Design Stress 2.575 17.8 1,925 13.3 <br /> Modulus of Elasticity 1.82 x 109 12,548 1.18 x 109 8,136 <br /> Poisson's Ratio V.,N".) 0.35(0.64) <br /> Axial Compression-ASTM D695 <br /> Ultimate Stress 33.000 230 19,400 134 <br /> Design Stress 8.325 57.4 4,850 33.4 <br /> Modulus of Elasticity 1.26 x 109 8.687 0.6 x 109 4.137 <br /> Beam Bending-ASTM D2925 <br /> Ultimate Stress 23.000 158.6 16,000 110 <br /> Design Stress"� 2.875 19.8 2.000 13.8 <br /> Modulus of Elasticity(Long Term) 1.46 x 10, 10,000 0.96 x 109 6.630 <br /> Hydrostatic Burst-ASTM D1599 <br /> Ultimate Hoop Tensile Stress 34.000 234 43.500 300 <br /> Hydrostatic Design-ASTM D2992, Sizes <br /> Procedure A-Hoop Tensile Stress 2"- 3" 9.410 64.9 5.790 39.9 <br /> Cyclic 150 x 109 Cycles 4"-24" 13,0730 90.1M 8,447(2) 58.2(2) <br /> Beam bending design stress is 1/e of ultimate to allow for additional stresses. <br /> c'Data extrapolated from complete data sets obtained at 1509F and 200°F. <br /> Thermal Expansion Coefficient-ASTM D696 0.88 x 10-5 inlin,/°F 1.58 x 10-5 mm/mmrc <br /> Thermal Conductivity 0.23 BTU/hr-ft-°F 0.4 W/m-°C <br /> Specific Gravity-ASTM D792 1.8 <br /> Hazen-Williams Coefficient 150 <br /> Absolute Surface Roughness 0.00021 Inch 0.0053 mm <br /> Manning's Roughness Coefficient,n 0.009 <br /> Properties of Pipe Sections Based on Minimum Reinforced Walls <br /> Size Reinforcement Reinforcement Reinforcement Nominal Wall <br /> rea (in')) End Areafln') Moment of Inertia(In4) Section Modulus(In') End A <br /> 2 0.50 0.33 0.28 0.58 <br /> 3 1.01 1.51 0.85 1.16 <br /> 4 1.21 3.00 1.32 1.39 <br /> 6 2.60 13.9 �, 4.20 2.99 <br /> 8 3.69 33.3 7.7 4.23 <br /> 10 5.41 74.8 13.9 6.19 <br /> 12 7.40 144 22.6 8.48 <br /> 14 10.6 268 36.8 12.1 <br /> 16 13.6 450 54.1 15.6 <br /> 18 15.9 652 - 70.6 18.2 <br /> 20 18.0 909 88.8 20.6 <br /> 24 24.9 1817 148 28.5 <br /> 4 <br />