1.Type:Carbon steel elbow bend 2.Carbon steel with good plasticity,weldability and ... .PRODUCT TYPEASTM A106 GR B ELBOW BEND, ASTM A234 WPB 3D ELBOW BEND,API 5L GR B ELBOW BEND, 3D 90degree bend, ... ANSI ELBOW BEND 3D 90D, 90 ... degree bend, ansi elbow bend, pipe bend, ...