Check the listing for details. GRAINGER APPROVED 40411GR Black Pipe Nipple,Threaded,1/2x7 In 1XKY5. Condition: New. Listed at 9.99 USD. Nipple, Application Air, Natural Gas, Non-Potable Water, Oil, Steam, Finish/Coating Black, Fitting Compatibility Class 300, Gravity Flow No, Inside Diameter 1/2 in, Manufacture Location Globally Sourced, Material Steel, Material Grade Grade B, Maximum Operating Pressure 300 psi @ 550 Degrees F, Maximum Operating Temperature 600 Degrees F, Maximum Steam Pressure 3006 psi @ 650 Degrees F, Metal Pipe Construction Welded, Minimum Operating Temperature -20 Degrees F, Nominal Pipe Size 1/2 in Black Steel Schedule 80 Welded Pipe Nipples • Max. pressure: 300 psi WOG at 550 Degrees FExtra-heavy nipples handle higher pressures and more rugged service. NPT threads. For use in air, water, oil, and gas applications.Maximum pressure in accordance with ASME B31.3 Process Piping Code. Meet ANSI/ASME B1.