Wulanchabu head | head size | Henan giant-head

First, elliptical head material: the common market elliptical head of the material, there are three basic head price, a steel material; 2 steel material; 3 stainless steel.... Second, elliptical head What are the requirements in terms of quality control: First elliptical head control in terms of quality and general head actually no difference. Normal production steps: feed, chemical, cutting, forging forming, heat treatment; test steps: inspection, finished, finished product testing, labeling, and then finished the test, and then identifies; packaging steps: pre-packaging type After then shipped. Elliptical head of the relevant rules: 1. use the model to examine the whole shape. 2. convex step should be greater than 1.25% Di, recessed no more than 0.625% Di. 3. pattern radius not less than the specified value. 4. Reduce peak stress sphere and cylinder. 5. Avoid welding stress transition section peak stress and cylinder group of superposition. Wulanchabu head | head size | Henan giant strong head provided by Henan giant strong head. This information consists of: Henan Province giant strong Head Manufacturing Co. (www.jqft.com/) provide, we are Commercial Union membership, the integrity of the whole network of certified suppliers. Feel free to contact us, Contact: Mr. Mao