Pipe Application Air Natural Gas Non-Potable Water Oil Steam Finish/Coating Black Fitting Compatibility Class 150 Gravity Flow No Inside Diameter 4 in Manufacture Location Globally Sourced Material Steel Material Grade Grade A Maximum Operating Pressure 792 psi @ 650 Degrees F Maximum Operating Temperature 600 Degrees F Maximum Steam Pressure 792 psi @ 650 Degrees F Metal Pipe Construction Welded Minimum Operating Temperature -20 Degrees F Nominal Pipe Size 4 in