Typical physical properties Method Pipe Property Units Value ASTM ATM1 Thermal conductivity Btu•in/(hr•ft2•°F) 1.7 C177 23 W/m•°C 0.25 Coefficient of thermal expansion (linear) D696 21 (2 - 6 inch) 10 -6 in/in/°F 8.5 10 -6 m/m/°C 15.3 (8 - 16 inch) 10 -6 in/in/°F 12.0 10 -6 m/m/°C 21.6 Flow coefficient 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. 4 Nominal Laterals, Wyes Pipe Size Adapters and Crosses Saddles ( in) (mm) ( psig) ( bar) ( psig) ( bar) ( psig) ( bar) 2 50 450 30 200 13 300 20 3 80 375 25 200 13 300 20 4 100 300 20 200 13 200 13 6 150 300 20 200 13 150 10 8 200 150 10 150 10 150 10 10 250 - - 150 10 100 8 12 300 - - 150 10 75 5 14 350 - - 150 10 50 3 16 400 - - 150 10 50 3 Fittings pressure ratings Nominal Pipe Size Elbows and Tees Flanges Blind Flanges ( in) (mm) ( psig) ( bar) ( psig) ( bar) ( psig) ( bar) 2 50 450 30 450 30 450 30 3 80 450 30 400 30 450 30 4 100 375 25 375 25 375 25 6 150 300 20 300 20 300 20 8 200 150 10 150 10 150 10 10 250 150 10 150 10 150 10 12 300 150 10 150 10 125 8 14 350 150 10 150 10 75 5 16 400 150 10 150 10 75 5 1) Ratings shown are for 90° and 45° elbows. Ratings in 8 to 16-inch sizes are also applicable to elbows of other angles.
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