3 Typical physical properties Dualoy 3000/L piping systems are designed to function at temperatures ranging from -40 to 150°F (-40 to 66°C) at service pressures between -1 and 20 bar. Dualoy 3000/L pipe conforms to ASTM D2310, D2517 and D2996. Method Pipe Property1 Units Value ASTM ATM1 Thermal conductivity Btu•in/(h•ft2•°F) 1.7 C177 23 W/m•°C 7.6 Linear thermal expansion 10-6 in/in/°F 8.5 D696 21 10-6 cm/cm/°C 15.3 Friction factor Hazen-Williams 150 — 156 Absolute roughness 10-6 ft 50 — — 10-6 m 15 Specific gravity — 1.81 D792 Barcol Hardness Impressor 934-1 65 D2583 — 1) Ameron test method. Typical mechanical properties Method Pipe Property1 Units Value1 ASTM ATM2 Tensile strength Longitudinal 103 psi 35.0 D2105 161 MPa 241 Circumferential 103 psi 70.0 D1599 151 MPa 483 Tensile modulus Longitudinal 106 psi 3.0 D2105 161 GPa 20.7 Circumferential 106 psi 4.2 — — GPa 29.0 Compressive strength Longitudinal 103 psi 35.0 — 142 MPa 241 Compressive modulus Longitudinal 106 psi 3.0 — 142 GPa 20.7 Long-term hydrostatic design basis Static 103 psi 31.5 D2992(B) — MPa 217 Cyclic 103 psi 8.0 D2992(A) — MPa 55 Poisson’s ratio3 nyx — 0.16 — — nxy — 0.26 — — 1) Based on structural wall thickness. 2) Ameron test method. 3) The first subscript denotes the direction of contraction and the second that of the applied stress. x denotes longitudinal direction. y denotes circumferential direction. Nominal Pipe Size Stiffness Factor1 (in) (mm) (lb•in3/in2) (N•m) 2 50 45 5.1 3 80 75 8.5 4 100 60 6.8 6 150 275 31.1 1) At 5% deflection.
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