(Stainless steel water tank) Welding seam of water supply tank, the following materials are prepared according to the technical parameters of HQF stamped stainless steel water tank produced by Hefei Hardpai Metal Products Co., Ltd. The water tank and accessories are made of ordinary carbon steel plate and steel, E43XX welding rod welding, tank top, The splicing of steel plates on the wall and bottom of the box are all butt-welded, and other welding is fillet welds. Crossing is not allowed between the welds, and they must not overlap with the reinforcement. The water quality is good, clean and pollution-free; it has the characteristics of high strength, light weight, corrosion resistance, beautiful appearance, long service life, convenient maintenance and management. 17Cr-7Ni-0.1N-low carbon is based on 301 steel, reducing the C content to improve the grain boundary corrosion resistance of the weld; adding N element to make up for the lack of strength caused by the decrease in C content to ensure the strength of the steel. The corrosion resistance of stainless steel depends on the alloying elements contained in the steel. Chromium is the basic element for the corrosion resistance of stainless steel. When the chromium content in the steel reaches about 1.2%, the chromium interacts with the oxygen in the corrosive medium to form a thin oxide film on the steel surface, which can prevent the steel matrix Further corrosion. In addition to chromium, stainless steel is usually based on the base.
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