... Steel Coupling/Forged Steel Union/Socket Welding Pipe Fitting ANSIB16.11 Product Name ANSIB16.9 90 Degree Elbow, Carbon Steel Elbow ... , power, gas, metallurgy, shipbuilding, construction, etc. Material: ASTM A234 WPB, WPC, A105; A420 WPL6, WPL9, WPL3, WPL8; WPHY42, 46, 52, 56 ... , SS316/316L, P5, P11, P12, etc Standard: ANSIB16.9, ANSIB16.11, ASTM, DIN2605, DIN2448, DIN2391, JIS, API, GB, HG, etc. ...