Aluminum clad steel stranded wire, aluminum clad steel core aluminum stranded wire, steel core aluminum stranded wire

Description :

　　Dazheng Electric Wire Co., Ltd. is located in Dazheng Industrial Zone, Renqiu City. The company mainly produces steel core aluminum stranded wire, OPGW optical cable, aluminum clad steel stranded wire, overhead insulated wire, OPPC optical cable, ADSS optical cable, aluminum clad steel core aluminum stranded wire, steel stranded wire, and aluminum stranded wire, with a total of more than 100 varieties and more than 3000 specifications. Located near Baiyangdian, the pearl of North China, the 106 National Highway, Beijing Kowloon Railway, and Jinbao Highway run through the city. It is 156km north of Beijing and 120km east of Tianjin, making transportation very convenient

　　DaZheng Electric Wire Co., Ltd. takes "meeting customer requirements and enhancing customer satisfaction" as its purpose, and "quality is life, integrity is fundamental, and customers are God" as its business philosophy. It cultivates the market, improves product quality, and constantly pursues the perfection of products and services to meet customers' higher requirements.

　　The aluminum clad steel wire in aluminum cored aluminum stranded wire is a type of bimetallic wire. It uses high temperature and high pressure to continuously extrude and wrap electrical aluminum on high-strength steel wire, forming an approximately 8um thick aluminum steel bonding permeation layer between the aluminum and steel. After being coated with an aluminum layer, the steel wire undergoes multiple drawing processes using a lightweight bimetallic synchronous deformation machine. The aluminum and steel deform in the same proportion, resulting in a more uniform and firm penetration layer between the aluminum and steel.

　　What are the characteristics of aluminum clad steel cored aluminum stranded wire compared to steel cored aluminum stranded wire

　　1. Mechanical and Electrical Characteristics

　　Aluminum clad steel cored aluminum stranded wire and steel cored aluminum stranded wire have the same structural dimensions and mechanical properties, but the unit length weight of aluminum clad steel cored aluminum stranded wire is about 5% lighter than that of steel cored aluminum stranded wire. From this, it can be concluded that the horizontal wind load of the two is the same, but the vertical load of the former is reduced by about 5% compared to the latter.

　　The DC resistance of aluminum clad steel cored aluminum stranded wire at 20 ℃ is about 3.2% lower than that of steel cored aluminum stranded wire; The guaranteed breaking force of aluminum clad steel cored aluminum stranded wire is about 5.5% lower than that of steel cored aluminum stranded wire.

　　2. Corrosion resistance

　　Overhead power lines are subjected to electrochemical corrosion in the atmosphere. In steel core aluminum stranded wire, the coating on the surface of the steel core comes into contact with the aluminum wire to form electrochemical corrosion. Because the potential of the coating is lower than that of aluminum, the coating is quickly corroded, exposing the steel core to the atmosphere and causing corrosion. In addition, after the coating is completely corroded, electrochemical corrosion occurs when the steel core comes into contact with the aluminum wire. The potential of aluminum is lower than that of iron, resulting in corrosion of the aluminum wire again.

　　For aluminum clad steel core aluminum stranded wire, due to the good metallurgical bonding between aluminum and steel in the aluminum clad steel wire, the single wires in the stranded wire are in contact with aluminum, and there is no electrochemical corrosion between different metals. This can greatly slow down the corrosion rate of the wire and extend its service life.

　　It can be said that corrosion resistance is the advantage of aluminum clad steel cored aluminum stranded wire.

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