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Stainless steel flanges forging process characteristics

- Feb 02, 2018 -

From the actual situation to analyze the current Stainless steel flanges forging process, one of the most critical forging process is punching and cutting. The purpose of punching is to puncture the through hole in the original embryo of the stainless steel flange or different holes to facilitate the stainless steel flange forging when used for installation and use.


The cutting is mainly to be able to complete the stainless steel flange blanks cutting, that is, the stainless steel flange in the production process can be cut head. In general, the stainless steel flange forging process needs to select the appropriate raw material blanking in accordance with production requirements. Before the heat treatment, but also need to carefully check the appearance of the material quality. If you find that there are visible cracks, folding, inclusions and other defects on the surface, be sure to take appropriate measures to clean up before heating into the furnace.


The next step is to forge. Under normal circumstances, the Stainless steel flanges forging process requires a small amount of deformation to tap. Wait until its plasticity gradually increased after the use of the principle of strike, and to square a polygon square forging.


It should be noted that, in the process, if there are cracks on the surface, or other defects must be promptly reported, and use the appropriate method of processing. In the Stainless steel flanges forging process there is a link called upsetting, this time you need to first chamfer the upper and lower ends or the circumferential pressure side, then put flat paste hit. The rough should be around its axis of rotation so that uniform deformation.


In addition, be sure to choose a reasonable forging ratio throughout the entire process. Generally not less than 2, and the choice of stainless steel flange forging hammer tonnage than the average choice of more than one-third, to overcome the thermal deformation resistance under high deformation to grain refinement. After the stainless steel flange forging is generally used air-cooled treatment to improve the anti-corrosion ability, but also for solution treatment.

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