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Carbon steel elbow making process

- Jul 29, 2018 -

The ideal method for the manufacture of carbon steel elbow: firstly weld a polygonal ring shell with a polygonal cross section or a multi-edge fan shell closed at both ends. After the internal pressure is filled with pressure medium, internal pressure is applied, and the cross section is made by internal pressure. The polygon gradually turns into a circle and eventually becomes a circular ring shell. According to the need, a circular ring shell can be cut into four 90 elbows or six 60 stamping elbows or other specifications of the stamping elbow. The process is suitable for the manufacture of stamping elbows with a diameter of more than 1.5. Large elbows of any size are ideal for the manufacture of large carbon steel elbows.

Further reading: The advantages of carbon steel production process are mainly reflected in the following aspects.

 1. No need for tube blank as raw material, which can save the cost of pipe making equipment and mold, and can obtain carbon steel elbow with any large diameter and relatively thin wall thickness.

 2. The blank is a flat plate or a developable curved surface, so the material is simple to cut, the precision is easy to ensure, and the assembly and welding are convenient.

 3. Due to the above two reasons, the manufacturing cycle can be shortened and the production cost is greatly reduced. It is especially suitable for processing large carbon steel elbows on site because it does not require any special equipment.

 4. Carbon steel stamping elbows are suitable for pipeline systems in the petroleum, natural gas, chemical, hydropower, construction and boiler industries.