What is high-speed wire? What are the domestic and international manufacturers of high-speed wire?

I. What is high speed wire rod? High-speed wire rod is a kind of metal material with high strength, high abrasion resistance and high corrosion resistance, which is usually used to manufacture structural parts, bearings, springs, gears, connectors and other parts in the fields of bridges, buildings, ships, automobiles, railroads, oil pipelines and so on. The main components of high-speed wire rod are carbon, silicon, manganese, sulfur and phosphorus and other elements, the material requires high strength, high toughness, high fatigue resistance, high corrosion resistance and good weldability. The production process of high-speed wire rod includes steelmaking, rolling and cooling processes. Among them, the steelmaking process is the pig iron or scrap steel after high-temperature heating, melting, refining and other processes to get billet; rolling process is the billet through the steel mill rolled into a round bar; cooling process is through the water cooling or air cooling and other ways to reduce the temperature of the steel, so as to enable it to achieve a certain mechanical property requirements. In the smelting process, the raw materials are melted into molten steel, and then appropriate amount of alloying elements, such as chromium, nickel, molybdenum, etc., are added to improve the strength and corrosion resistance of the steel. In the casting process, molten steel is poured into molds to form billets. In the rolling process, the billet is rolled through a rolling mill to gradually transform it into the desired wire shape. In the drawing process, the rolled wire rod is drawn through a drawing machine to make its diameter finer and to improve its strength and toughness. In the annealing process, the drawn wire is heated to a certain temperature so that the internal stresses can be removed, thus improving its workability and durability. In the surface treatment process, the surface of the wire is polished and sandblasted to increase its corrosion resistance and aesthetics. High-speed wire has a variety of advantages. First of all, it has high strength, high toughness, high fatigue resistance and other characteristics, can withstand highways, railroads, bridges and other transportation facilities subject to high-intensity load, so as to protect the safety and stability of the facilities. Secondly, high-speed wire rod has good processability and weldability, which can be easily processed and connected to meet the needs of different transportation infrastructure construction. In addition, high-speed wire rod has high corrosion resistance, can maintain good performance and life in a variety of complex environments. In addition, high-speed wire rod also has good plasticity and weldability, which can be processed by bending, cutting, stamping, welding and other processing methods, so as to meet the needs of different areas of use.

Second, what are the domestic and foreign manufacturers of high-speed wire?

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