ElbowChina Elbow, 4′′ X Sch 80 (OD 114.3 mm X W/T 8.56 mm) Sr 90° , Smls, ASTM A234 Wpb, ANSI B16.28 with Test Certificate to En 10204-3.1., Find details about China ERW Pipe, Seamless Pipe from Elbow, 4′′ X Sch 80 (OD 114.3 mm X W/T 8.56 mm) Sr 90° , Smls, ASTM A234 Wpb, ANSI B16.28 with Test Certificate to En 10204-3.1.