It is a general guide for customers to the.
Carbon steel pipe pressure rating chart.
Maximum pressure ratings for pipes per.
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.
In codes like asme b31 3 modified versions of the barlow s formula like the boardman formula and the lame formula.
Pressure psig and temperature deg f ratings for a 53 b and a 106 b a333 a334 and api 5l carbon steel pipes temperatures ranging 100 o f 700 o f.
Pressure rating tables for carbon steel pipe notes to the tables of allowable working pressures.
Hammer inches workingfactorno burst inches workingfactorburstno.
Minimum tensile strength 60 ksi 60000 psi.
Allowable stress used in the barlow s formula is calculated as 35000 psi 0 7 24500 psi note.
25 pipe pressure psiwater pressure psipipe nom.
This table defines the maximum pressure rating for the specified industry standard pipes schedule 160 schedule 40 and schedule 80.
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.