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Automotive aluminum alloy flanges tell us about the passivation treatment of marine flanges?
Release time:
2022-08-16
Source:
The passivation process of marine flanges can be divided into two types: wet method and dry method. Specifically, it can be divided into many types. Let's follow the editor of the automobile aluminum alloy flange plate to have a brief understanding of it!
Whether the passivation effect can be achieved depends on the surface passivation treatment process and the material itself. The specific influencing factors include the elements contained in the marine flange, the metallographic analysis structure of stainless steel, and the processing technology status of stainless steel. Among the elements that constitute an element, chromium and nickel are elements with strong passivation, followed by iron. Therefore, the higher the content of chromium and nickel, the stronger the passivation effect of stainless steel. The austenite and ferrite types have a more uniform structure between the flanges of large-scale equipment, and the passivation is better. The martensitic stainless steel company has been strengthened by thermal treatment, and its metallographic structure is a multi-phase system structure, so it is passivated. Chemical is not strong. The passivation environment of the smooth surface of the marine flange after mechanical design and processing is better, and the basic surface of the different workpieces obtained by forging, sandblasting, etc. is rough and unfavorable for passivation.
The material not only has a creep curve on-off, but also its moderately priced tube, each melt form a reliable standard hot-melt connection, the diameter of the tube part is larger than the inner diameter of the tube does not differ from the specifications compared to other kinds of structures It is convenient, fast, and the stage connection type belongs to the product in the system. Due to the lack of mechanical connection of local constriction, the system will be relatively small in fluid resistance. However, due to various factors, the actual wall thickness of floor heating pipes is usually only 2mm. And in various types of pipe wall thickness that can meet the requirements of floor heating, pressure and its advantages will easily emerge.
Low temperature thermal shock resistance: PE--RT and PEX products have relatively good low temperature shock resistance. During construction in winter, the pipe is not easy to be impacted and split, thus increasing the flexibility of construction and placement.
The above are some introductions about marine flanges by the editor of automotive aluminum alloy flanges, I hope they can help you.
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Automotive aluminum alloy flanges tell us about the passivation treatment of marine flanges?
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Automotive aluminum alloy flanges tell us about the passivation treatment of marine flanges?
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Aluminum alloy flanges introduce marine flanges What you don't know?
For those things you don't know about marine flanges, let's follow the editor of aluminum alloy flanges to find out! The stainless steel flange connection is to fix two different pipes, fittings or equipment on the flange. Between the two flanges, add washers and bolt them together to complete the system connection. Some pipe fittings and equipment technologies have developed to have flanges, which are also flanged connections. It comes as a disc-shaped part. It is common in plumbing. are used in pairs. In pipeline engineering, flanges are mainly used for the connection of pipelines. Install the flange in the pipe to be connected. For low-pressure pipelines, wire flanges can be used, and welded flanges with a pressure greater than 4kg are used. Using low pressure small diameter welded flanges, high pressure low pressure large diameter welded ship flanges, different diameters and connecting bolts with different thicknesses at different pressures and quantities. Stainless steel flanges do not cause corrosion, pitting, rust or wear and are one of the strongest materials in construction metal materials. Due to the good corrosion resistance of stainless steel, structural components can permanently retain the benefits of engineering design.
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