90 ° steel elbow

　　Divided by the angle: 45 °, 90 °, 180 ° three common elbow, and another project needs, you can special order as 60 ° or any other angle.

　　Connection with the carbon steel pipe: Welded, flanged, threaded, socket connections form.

　　The process according to the form can be divided into: welding elbow, pressing elbow, casting elbow.

　　Purpose: to connect two pipes, to change the direction of the tube, the 45 ° and 90 ° or 180 ° direction or the other angle turn.

　　Manufacturing standards: GB, American Standard, the Japanese standard, German standard, the Russian standard.