Steel Carbon Pipe Fittings & Flanges For O&G size: from 1/2''_80'' standard: ASME material:carbon steel ... Steel Carbon Pipe Fittings and Flanges For O&G Size 1/2" to 24" ASME B16.526"to 80 ... " ASME B16.47TypeWN, SW, FF, PL, BL, RJ, TH, FaceRF, FF, MF, MFM, RJ, TG, RTJ, PressureClass ... of customer Steel Carbon Pipe Fittings and Flanges For O&G