Features Featuring 304 stainless steel construction, this GRAINGER APPROVED coupling has a chromium nickel material that offers very good corrosion resistance. Compatible with Schedule 80 stainless steel pipe For use in air, water, and natural gas applications Pipe Fitting Material / 304 Stainless Steel, Stainless Steel Material Grade / 304 Class / Class 3000 Fitting Side A Nominal Pipe Size / 1/2 in Fitting Side A Gender / Female Fitting Side A Type / NPT Fitting Side A Pipe Threading / 14 Fitting Side B Nominal Pipe Size / 1/2 in Fitting Side B Gender / Female Fitting Side B Type / NPT Fitting Side B Pipe Threading / 14 Max. Steam Pressure / 2500 psi @ 350 Degrees F Includes Pre-Applied Thread Sealant / No Includes Seal / No Standards / ASME B16.11, ASTM A182