Nipple Application Air Gas Non-Potable Water Oil Steam Finish/Coating Black Anodized Fitting Compatibility Schedule 40 Inside Diameter 6 1/16 in Manufacture Location Made in USA Material Steel Material Grade Grade B Maximum Operating Pressure 300 psi @ 150 Degrees F Maximum Steam Pressure 150 psi @ 360 Degrees F Metal Pipe Construction Welded Nominal Pipe Size 6 in Outside Diameter 6 5/8 in Overall Length 8 in Pipe Weld Type Electric Resistance Weld Schedule Schedule 40