Piping Calculation Program For ASME B31 1 Code [PDF]

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Sr. No. 1



Formula Used:



2 3 4



Interpolation: Y2 = Y3 -[{(Y3-Y1)*(X3-X2)}/(X3-X1)]



5



T(°F) = 1.8*T(°C)+32



Units Converter Temperature Tc = Tf =



573 1063.4



Tf = Tc =



1100 593.333333333333 Length 24 0.94488188976378 0.237 6.0198



mm Inch Inch mm



Pressure Bar Mpa 1Ksi



34 3.4 6.89 Mpa



N/mm2 Legend



Input Field Output field



Client Project Item Number Item



Company Logo



Date: Issued: Revision: Page:



Pipe wall thickness calculation according to ASME B31.1 only for straight Pipes Design Pressure (P) = Design Temperature (T) = Material designation =



15.70 Mpa 584.0 °C A335 P91



Max Possible Reduction 1083.2 °F Seamless Pipe



Outside Diameter (Do) =



323.9 mm



12.751968503937 Inch



Inside Diameter (Di) =



mm 33.3 mm 0.0



Wall Thickness Ordered = Weld Joint Factor (z) = Corrosion Allowance (c0) =



Not Evaluated Pipe class, SCH



160



0.0 mm



Manufacturing Allowance (c1) =



4.01 mm



14.3% of t(min)



Allowable Stress to ASME B 31.1 Appendix A Material values (for Interpolation) T T °F



SE



Unit Conversion



°C



N/mm2



KSI



N/mm2



1050 565.5556 1100 593.3333



96.5 71.0



14.0 10.3



96.5 71.0



Material values at 584 °C SE =



### MPa



SE =



### MPa



Value of y Coefficient* °C Sigma 592 0.4 584.0 0.7 592.01 0.4



T Design 584 Minimum Wall Thickness to ASME B 31.1,2007 paragraph 104.1



tm = =



P * Do 2(SE+Py)



+A



28.07 mm 28.07 mm



tr = tm + c0 + c1 = 32.09 mm tr



D0/tm