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Elbow Classification Aocheng offers premium elbow forming machines to make carbon steel elbows, alloy steel elbows, and stainless steel elbows. As a commonly used pipe fitting, elbow comes in a variety of types and specifications. The following describes the classification of elbows. 1. Divided by Manufacture MethodDie stamped elbow, forged elbow, hot formed elbow, cold formed elbow, etc.
 2. Divided by MaterialCarbon steel elbow, cast steel elbow, alloy steel elbow, stainless steel elbow, copper elbow, aluminum alloy elbow, plastic elbow, etc.
 3. Divided by Manufacturing StandardAmerican standard elbow, Chinese standard elbow, German standard elbow, Japanese standard elbow, Russian standard elbow, etc.
 4. Divided by Radius of CurvatureLong radius elbow, short radius elbow
 5. Divided by ShapeGrooved elbow, flanged elbow, reducing elbow, male threaded elbow, female threaded elbow, etc.
 6. Divided by Pressure RatingAbout 17 kinds, in line with American pipe standards
   
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