1. What is elbow? It refers to the pipe fitting that changes the direction of the pipe in the pipe system. Elbows are divided into three types according to angle: 45 °, 90 ° and 180 °. In addition, according to the needs of the project, there are other abnormal angles such as 60 °.
2. According to the production process, it can be divided into welding elbow, stamping elbow, push elbow, casting elbow, etc. The materials of elbows include cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, nonferrous metals and plastics.
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