Duplex stainless steel

 


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The difference between stainless steel and galvanized steel

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 　　Without protection, ordinary carbon steel is still prone to rusting in most environments. Therefore, there are many ways to modify steel to prevent corrosion. Two popular solutions are to use stainless steel or galvanized steel. Although both types of steel can resist rust and corrosion, there are important differences between them that should be understood. 　　What is stainless steel? 　　Stainless steel can resist corrosion because its chemical composition contains additional alloying elements. Although ordinary carbon steel is mainly composed of iron and carbon, stainless steel adds a large amount of chromium to help it resist corrosion. Chromium, sometimes with other alloying elements, is added to stainless steel during the initial melting process and then forms any specific shape. 　　What is galvanized steel? 　　Galvanized steel is a type of steel coated with a layer of zinc, which helps prevent rusting of the underlying steel. This layer is usually very thin, us...
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What is the use of oxygen free copper?

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 　　The higher the purity of any copper product , the better its corrosion resistance, the higher its conductivity, and the less heat generated during conductivity. As the purest copper product, C101 oxygen free copper provides the best results for all copper products. 　　By removing almost all impurities, the metal structure of copper is almost uninterrupted, and by removing almost all oxygen, the oxidation of metal copper is significantly reduced, which further hinders performance. 　　Due to the high price of high-purity products, almost all uses of C101 oxygen free copper are highly specialized. This includes: 　　Excellent audio/video applications - Quality critical high-end audio/video applications will use copper wire made of C101 oxygen free copper. 　　The increase in conductivity of C101 oxygen free copper for large industrial transformers can reduce the diameter of the internal wiring in the transformer, thereby reducing the amount of copper used and the overall in...
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History of aluminum in aviation and space industry

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 　　Do you know that aluminum accounts for 75% -80% of modern aircraft?! 　　The history of aluminum in aviation and space industry can be traced back to a long time ago. In fact, aluminum was used in the aviation industry before the invention of airplanes. In the late 19th century, Count Ferdinand Zeppelin used aluminum to make the framework of his famous Zeppelin airship. 　　Aluminum is the ideal choice for aircraft manufacturing because it is lightweight and sturdy. Aluminum weighs about one-third as much as steel, enabling aircraft to carry more weight or improve fuel efficiency. In addition, the high corrosion resistance of aluminum ensures the safety of the aircraft and its passengers. 　　Common aerospace aluminum grades 　　2024- Typically used for aircraft skins, fairings, and aircraft structures. Also used for repair and recovery. 　　3003- This aluminum plate is widely used for coating fairings and baffles. 　　5052- Commonly used in the manufacturing of fuel tanks. ...
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