This GRAINGER APPROVED 45° elbow is designed with 304 stainless steel for good corrosion resistance.- Compatible with stainless steel Schedule 40 pipe- For use with air, water, oil, natural gas, and steam Pipe Fitting Material / 304 Stainless Steel, Stainless Steel Material Grade / 304 Class / Class 150 For Pipe Schedule / 40 Fitting Side A Nominal Pipe Size / 1 in Fitting Side A Gender / Female Fitting Side A Type / NPT Fitting Side A Outside Diameter / 1 in Fitting Side A Pipe Threading / 11 Fitting Side B Nominal Pipe Size / 1 in Fitting Side B Gender / Female Fitting Side B Type / NPT Fitting Side B Outside Diameter / 1 in Fitting Side B Pipe Threading / 11 Maximum Operating Pressure / 300 psi Max. Steam Pressure / 150 psi Color / Silver Application / Air, Natural Gas, Non-Potable Water, Oil, Potable Water, Steam Standards / ASME B1.20.1, ASTM A351, MSS SP-114