Check the listing for details. GRAINGER APPROVED 40504TSGR Black Pipe Npl,Threaded One End,3/4x3" 1CPN2. Condition: New. Listed at 3.76 USD. Nipple, Application Air, Natural Gas, Non-Potable Water, Oil, Steam, Finish/Coating Black, Fitting Compatibility Class 300, Gravity Flow No, Inside Diameter 53/64 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 2555 psi @ 650 Degrees F, Metal Pipe Construction Welded, Minimum Operating Temperature -20 Degrees F, Nominal Pipe Size 3/4 in Black Steel Schedule 80 Welded TOE Nipples • Max. pressure: 300 psi WOG at 550 Degrees F in accordance with ASME B31.3 Process Piping CodeThreaded on 1 end for easy connection; opposite end is unthreaded for welding a permanent, leak-resistant bond. Use with air, oil, natural gas, and steam in industri.