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The tubing sizes listed in the following tables are identified by their actual outside diameters ¡°O.D.¡±. (plus or minus applicable tolerances)
When ordering, please specify both the O.D. and the wall thickness.
Example: for imperial sizes 1/2¡± O.D. x .035¡± WALL
for metric sizes 12 mm O.D. x 1 mm WALL |
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Specifications for Tubing with ASTM/ASME designations and titles of standard specifications.
| A213/SA213 |
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Super-Heater and Heat Exchanger Tubes |
| A249/SA249 |
Welded Austenitic Stainless Steel Boiler, Super-Heater, Heat Exchanger and Condenser Tubes |
| A269 |
Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
Barlows Formula used for theoretical bursting pressure.
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| P ¡ª bursting pressure¡ªp.s.i. |
T ¡ª wall thickness ¡ª inches |
| O.D. ¡ª outside diameter ¡ª inches |
S ¡ª tensile strength |
| TYPICAL TENSILE STRENGTHS (S) | |
| STAINLESS STEEL (300 SERIES) |
S=70000 to 75000 psi |
| CHROME MOLY (P1 TO P5) |
S=55000 psi |
| CHROME MOLY (BALANCE) |
S=60000 psi |
| ALLOY 20 |
S=80000 psi |
| 904L |
S=70000 psi |
| DUPLEX |
S=90000 psi |
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