Pipe Application Air Natural Gas Non-Potable Water Oil Steam Finish/Coating Black Fitting Compatibility Class 150 Gravity Flow No Inside Diameter 1 3/64 in Manufacture Location Globally Sourced Material Steel Material Grade Grade B Maximum Operating Pressure 1315 psi @ 650 Degrees F Maximum Operating Temperature 600 Degrees F Maximum Steam Pressure 1315 psi @ 650 Degrees F Metal Pipe Construction Welded Minimum Operating Temperature -20 Degrees F Nominal Pipe Size 1 in