Sanitary fittings usually refer to stainless steel fittings, and almost all the materials of sanitary fittings are made of stainless steel. Sanitary fitting is a typical pipe part used for pipeline fluid transportation, which is widely used in petroleum, aviation, and daily production and life. Sanitary pipe fitting is suitable for food processing, storage, and transportation, and it has good processing performance and weldability.
In the process of conventional casting of sanitary fittings, there are many problems such as the rough inner wall of pipe fittings, the poor corrosion resistance of weld seams, complicated process and low flanging height. So how can these problems be prevented effectively?
Many manufacturers will use magnetic pulse side flanging process to make sanitary fittings when facing these problems since it has many advantages, such as high surface precision, no welding line during forming, simple and convenient process, high efficiency and large increase of flanging height. The simulation results show that the magnetic pulse side flanging process can effectively prevent the problems of fitting during forming. Nowadays, this production process has been recognized and widely used in the production of fittings.
The stainless steel fitting is widely used in various fields, especially in food and medicine, for its advantages of high-temperature resistance, corrosion resistance, oxidation resistance, light quality, and beautiful appearance. It requires a lot of attention when installing, and many people shorten its usage time because they don’t pay attention when installing, thus increasing the cost objectively.
The stainless steel fitting should be separated from other metals during transportation. Non-metallic materials such as wooden boards and rubber products can be placed on the pipe to avoid direct contact with the metal. It should not be too hot during continuous welding and should be kept at about 60 degrees, and the weld should be protected by argon during positioning welding. It should not be cut with ordinary grinding wheel pieces, but with special stainless steel grinding wheel or plasma cutting. When it is connected with non-stainless steel fitting parts, the welding street should be bottom and the fitting should be emptied to flush argon. After welding, the welding seam should be acidic or passivated.
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