25 pipe pressure psiwater pressure psipipe nom.
Carbon steel pipe pressure rating chart pdf.
Carbonsteelgradebpipes astma53m a106m api5l seamless outside wall diameter thickness 29to 38 204 260 343 371 399 427 dn nps mm mm 137 9 137 9 130 3 117 2 113 8 89 6 74 5.
Carbon steel grade b pipes astm a53m a106m api 5l seamless outside wall diameter thickness 29 to 38 204 260 343 371 399 427 dn nps mm mm.
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Allowable stress used in the barlow s formula is calculated as 35000 psi 0 7 24500 psi note.
Pressure rating tables for carbon steel pipe notes to the tables of allowable working pressures.
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In codes like asme b31 3 modified versions of the barlow s formula like the boardman formula and the lame formula.
Steel pipe weight chart schedule 40 and 80 dimensions chart nps outside diameter wall thickness sched weight weight nps outside diameter wall thickness sched weight weight in mm in mm kg mtr lb ft in mm in mm kg mtr lb ft 1 2 0 840 21 0 109 2 769 40 std 1 268 0 851 16 16 000 406 0 188 4 775 47 290 31 748.
Maximum allowable pressure is calculated with the barlow s formula for a53 grade b seamless and welded standard steel pipe with yield strength 35000 psi and design factor 0 7.