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API PSL1 API PSL2 ASTM A106 ASTM A53 OD Wall Thickness / Weight Grade Metrics Select                 2 3/8''     60.33 mm 2 7/8''     73.03 mm 3 1/2''     88.90 mm 4''          101.60 mm 4 1/2 ''   114.30 mm 5 9/16''   141.30 mm 6 5/8''     168.28 mm 8 5/8''     219.08 mm 10 3/4''    273.05 mm 12 3/4''    323.85 mm 14''         355.60 mm 16''         406.40 mm 18''         457.20 mm 20''         508.00 mm 22''         558.80 mm 24''         609.60 mm 26''         660.40 mm 28''         711.20 mm 30''         762.00 mm 32''         812.80 mm 34''         863.60 mm 36''         914.40 mm 38''         965.20 mm 40''         1,016.00 mm 42''         1,066.80 mm 44''         1,117.60 mm 46''         1,168.40 mm 48''         1,219.20 mm 52''         1,320.80 mm 56''         1,422.40 mm 60''         1,524.00 mm 64''         1,625.60 mm 68''         1,727.20 mm 72''         1,828.80 mm 76''         1,930.40 mm 80''         2,032.00 mm Geometry and Performace Internal Diameter [in] : Standard Hidrostatict Test [psi] : Alternate Hidrostatict Test [psi] : Pipe Body Yield Strenght [x1,000 lb] : Internal Yield Pressure [psi] : Collapse Pressure [psi] : MAOP [psi] : Mills Type The above data are for general information only, not intended for design purposes. Hydrostatic test pressure is calculated in accordance with formulas defined in each standard - i.e: API 5L, ASTM A106/A53, etc -. Performance properties for each Grade and Size - PBYS, IYP, Collapse Pressure - are calculated in accordance with API 5C3 formulas. The Maximum Allowable Operating Pressure - MAOP - is calculated based on specified minimum yield strength, a 0.72 construction type design factor, 1.00 joint factor and 1.000 temperature derating factor. Industry codes and operating conditions may require different values to be used. The user is responsible for determining the appropriate coefficient factors according to any particular application.

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