Ferrous metals play an important role in modern industry and construction. Their high strength, easy processing and wide range of applications make them the material of choice for many engineering and manufacturing projects. At Aoxing Steel, we mainly provide a variety of stainless steel materials. This blog post mainly discusses whether stainless steel is classified as a ferrous metal, and the difference between stainless steel and traditional ferrous metals. What are ferrous metals? Ferrous metals mainly refer to metal materials with iron as the main component, and they are widely used in industry and construction. Ferrous metals include iron and iron alloys, which are mainly divided into steel, cast iron and pig iron. Ferrous metals have some common properties: Magnetism: Most ferrous metals are magnetic, especially low-carbon steel and pig iron. Strength and hardness: Ferrous metals generally have high strength and hardness, making them suitable for applications with high stress and high load. Machinability: Ferrous metals can be processed by forging, casting, welding, machining and other processes. Corrosion: In addition to stainless steel, ferrous metals are also prone to rust in humid environments and require coatings or other protective measures to prevent corrosion. Is stainless steel black? Stainless steels are...
Seamless square tubes are divided into hot-rolled seamless square tubes, cold-drawn seamless square tubes, extruded seamless square tubes, and welded square tubes according to the production process. Among them, welded square tubes are divided into: (a) According to the process – arc welded square tubes, resistance welded square tubes (high frequency, low frequency), gas welded square tubes, furnace welded square tubes (b) According to the weld seam – straight seam welded square tubes, spiral welded square tubes Seamless square tubes are long strips of steel with a hollow section and no seams around them. Steel pipes have a hollow section and are widely used as pipelines for conveying fluids, such as pipelines for conveying oil, natural gas, coal gas, water and certain solid materials. Compared with solid steel such as round steel, steel pipes are lighter in weight when the bending and torsional strengths are the same. They are an economical cross-section steel and are widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycle frames, and steel scaffolding used in construction. Using steel pipes to manufacture annular parts can improve material utilization, simplify manufacturing processes, save materials and processing...
Since France obtained the first patent in 1935, the development of 2205 stainless steel plate has gone through three generations in the 20th century. The first generation of 2205 stainless steel plate is represented by 329 steel developed in the United States in the 1940s, which contains high chromium and molybdenum, good local corrosion resistance, but has a high carbon content (≤0.1%C). The 3RE60 steel developed by Sweden in the mid-1960s is now an ultra-low carbon type 2205 stainless steel plate. Since the 1970s, the development of secondary refining technology and the discovery of the important role of nitrogen in maintaining phase balance and improving corrosion resistance have become important milestones for 2205 stainless steel plates, and the ultra-low carbon type N-containing second-generation 2205 stainless steel plates have been developed, and its representative steel grade is 2205. On this basis, by further improving the alloy content and PREN value, the third generation of 2205 stainless steel plate, namely super 2205 stainless steel plate, was developed in the late 1980s. Its PREN value is greater than 40. Representative trademarks include SAF2507, UR52N+, ZERON100, etc. This type of steel has a higher content of alloy elements such as chromium, nickel, molybdenum and...
There are significant differences between stainless steel pipes and galvanized pipes in many aspects: First of all, from a material perspective, stainless steel pipes are made of high-quality stainless steel and have excellent corrosion resistance, high temperature resistance and high strength properties. In contrast, galvanized pipe is coated with a layer of zinc on the surface of the steel pipe through electroplating or hot-dipping, aiming to enhance its corrosion resistance. However, the material properties of stainless steel pipes are significantly better than galvanized pipes. Secondly, from the perspective of appearance and service life, the surface of stainless steel pipes is smooth, beautiful and not easy to rust, thus ensuring long-term use. In contrast, galvanized pipes are prone to rust on their surfaces, affecting their appearance and service life. In addition, the relatively light weight of stainless steel pipes makes them easier to handle and install, while galvanized pipes are relatively heavier. In terms of application scope, due to its excellent performance and wide range of application fields, stainless steel pipes are widely used in various industries. For example, it is used in the petrochemical industry to transport corrosive media; in the food industry, it is used in pipelines to transport...
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