The production of stainless steel seamless elbows first requires the preparation of suitable stainless steel materials, and then cutting them into the desired length as required.
The next step is to heat the pipe. The temperature is mainly determined by the pipe material and diameter, generally higher than 800℃; after heating, put the pipe on the elbow machine, and apply force through the lever principle or hydraulic system to make it bend. The force should also be evenly distributed, otherwise the pipe may be unevenly stressed and break; after that, the pipe is water-cooled or naturally cooled to fix the shape.
The last step is to clean and inspect the stainless steel seamless elbow. Cleaning is to remove surface dirt and perform appropriate surface treatment to improve performance; the inspection should focus on the appearance, size, bending radius, etc. of the stainless steel seamless elbow. Related non-destructive testing and pressure testing are necessary.