Check the listing for details. GRAINGER APPROVED 90220GR Black Pipe,Threaded,1/4x36 In 1LLZ1. Condition: New. Listed at 61.54 USD. Pipe, Application Air, Natural Gas, Non-Potable Water, Oil, Steam, Finish/Coating Black, Fitting Compatibility Class 300, Gravity Flow No, Inside Diameter 5/16 in, Manufacture Location Globally Sourced, Material Steel, Maximum Operating Pressure 5164 psi @ 650 Degrees F, Maximum Operating Temperature 600 Degrees F, Maximum Steam Pressure 5164 psi @ 650 Degrees F, Metal Pipe Construction Seamless, Minimum Operating Temperature -20 Degrees F, Nominal Pipe Size 1/4 in, Outside Diameter 9/16 in Black Steel Schedule 80 Seamless Pipe • Max. pressure: 300 psi WOG at 550 Degrees F in accordance with ASME B31.3 Process Piping CodeSeamless construction provides excellent protection against leaks. Thicker walls allow use in higher-pressure applications than Schedule 40 pipes. NPT threads. For use.