Cangzhou Honda Pipe Bends Co.,Ltd Item: U bend Material:A234-WPB.A420-WPL6.A234-WP12.A234-WP11.A234-WP5.A403- WP304.A403-WP304L.A403- WP316.A403-WP316L etc. Bending Radius (R): R=0.5D-2D Bending Angle:180 Degree Straight Length(L): The length between two ends general from 5mm-500mm, and also can produce according to the clients' requirements.