Stainless Steel Tubing Pressure Rating Chart

These pressure ratings are derived from the lamé formula with 12 500 psi 86 mpa allowable stress factors and approximately 4 1 design factor.

Stainless steel tubing pressure rating chart. Pressure values shown in bold are for tubing wall 0 156 3 96mm 3500 24 0. 5 30 pipe and tube sizes aalco tel. Pressure rating table for stainless steel tube revised september 2011 notes to the table of design pressures. Table 8 temperature derating factors.

Inch psi 145 0 megapascals mpa ksi 0 145 megapascals mpa kilograms mm kgf mm 0 10197 megapascals mpa bar 10 00 megapascals mpa kilopascals kpa 1000 limitation of liability. Swagelok stainless steel tube fittings have been repeatedly tested successfully with tubing with hardness up to 200 hv and 90 hrb. And for single welded tube by 80 ansi b 31 table a 1b. Tubing wall thickness the accompanying tables show working pressure ratings of tubing in a wide range of wall thicknesses.

To convert to multiply by megapascals mpa pounds sq. The following chart lists the nominal pressure ratings of tubing products which conform to sae 24 sae 25 sae j526 and sae 056. Many factors influence the pressure at which a hydraulic system will perform. Swagelok tube fittings.

Pressure calculation for sandvik stainless seamless tube and pipe. Except as noted allowable pressure ratings are calculated from s values as specified by asme b31 3 process piping. Due to the differences in national regulations this type of. Inch psi 145 0 megapascals mpa ksi 0 145 megapascals mpa kilograms mm kgf mm 0 10197 megapascals mpa bar 10 00 megapascals mpa kilopascals kpa 1000.

Pressure rating tables for stainless steel pipe notes to the tables of allowable working pressures. If the system were to operate 800 f 425 c a factor of 80 or 80 would apply see table 8 and the at temperature system pressure would be 3700 psi x 80 2960 psi. 2 for welded and drawn tubing a derating factor must be utilized. Example 1 2 x 49 wall seamless 316 stainless steel tubing has a working pressure of 3700 psi room temperature.

Pressure values shown in bold are for tubing wall thickness normally considered suitable for 37 degree single flaring to sae j533. The result of each calculation is presented as an approximate maximum working pressure. These pressure ratings are derived from the lame formula with 12 500 psi 86 mpa allowable stress factors and approximately 4 1 design factor. Sandvik s online pressure calculation is a tool that provides estimates of the highest permissible internal pressure for tube and pipe of certain sizes and sandvik grades.

1 shaded areas indicate tubing that is not suitable for gas service. In inches 28ga 010 25ga 020 22ga 028 20ga 035 18ga 049 16ga 065 14ga 083 13ga 095 12ga 0 109 11ga 120 10ga 134 9ga 148 1 16 theoretical bursting pressure 24000. Stainless steel tubing pressure ratings fractional sizes.