API Elbow Fitting
B16.9 En10253 API 304 321 310S Butt Weld Ss SUS304 SUS316 Super Duplex 2205 Uns31803 Seamless Welding Cap Reducer Bend Tee Elbow Stainless Steel Pipe Fittings. US$ 1 / Piece. ... Hebei China B16.9 En10253 API 304 ERW Butt Weld Seamless Welding Cap Reducer Bend Tee Elbow Stainless Steel Pipe Fittings Flange SS316 …