Featuring 316 stainless steel construction, this GRAINGER APPROVED cap fitting has a higher nickel content, as well as molybdenum, for better corrosion resistance. - Compatible with Schedule 80 stainless steel pipe - For use in air, water, and natural gas applications Nominal Pipe Size / 1 in Pipe Fitting Material / 316L Stainless Steel, Stainless Steel Material Grade / 316L Class / Class 3000 For Pipe Schedule / 160 Fitting Connection Type / Female NPT Overall Length / 1 5/8 in Max. Steam Pressure / 2810 psi @ 350 Degrees F Standards / ASME A182, ASME B1.20.1, ASME B16.11, MSS SP-79, MSS SP-83, MSS SP-97