Conductivity JLB20A-80-1 * 7 LBGJ aluminum clad steel stranded OPGW optical cable

Description :

　　 Conductivity JLB20A-80-1 * 7 LBGJ aluminum clad steel stranded OPGW optical cable

　　Characteristics of aluminum clad steel stranded wire:

　　 Aluminum clad steel wire is a bimetallic wire that is uniformly, continuously, and tightly wrapped around a round steel wire with a layer of aluminum. Aluminum has relatively low strength but is relatively light, with a density of about one-third that of copper. Its electrical conductivity is relatively high, ranking third after silver and copper. Aluminum has better corrosion resistance: steel has higher strength, but lower electrical conductivity and corrosion resistance. Therefore, aluminum clad steel wire is the product of the strong combination and strong weak complementarity of aluminum and steel. It has the following characteristics:

　　(1) The adjustable range of size and performance for aluminum clad steel wire is relatively large.(2) The bonding between steel and aluminum belongs to metallurgical bonding, so the bonding strength is good, which is conducive to the strength advantage of aluminum clad steel wire.(3) Compared with galvanized steel wire, it has better heat resistance because the melting point of aluminum is higher than that of zinc, and the melting point of steel is even higher.(4) Baosteel wire has good corrosion resistance. If aluminum clad steel wire is twisted together with aluminum wire or aluminum alloy wire in an overhead transmission lineThere is no issue of electrochemical corrosion in the application. But galvanized steel wire has this problem. Thus, anti-corrosion isolation protection is used.(5) The cross-section of a wire can be made into complex shapes. For example, aluminum clad steel contact wires (tram wires) used in electrified railways. Its shape is an "8" shape, and one of its manufacturing methods is to use the Conform continuous extrusion method to form it in one go.

　　(6) Aluminum plated steel wire, like galvanized steel wire, is manufactured using the pre hot-dip method and is considered reinforcedmaterialIt's not a retirement material. Aluminum coated steel wire has lower strength than zinc coated steel wire due to the higher temperature of hot-dip coating compared to galvanized steel wire. In addition, the plating process requires high standards, which can easily cause discontinuous "pinhole" defects. This actually accelerates corrosion.

　　 The code for aluminum clad steel stranded wire JLB20A-80 is JLB20A-80, LBGJ20A-80. Aluminum clad steel stranded wire is made by twisting a certain number of aluminum clad steel single wires.

　　Aluminum clad steel stranded wire has the advantages of good conductivity, corrosion resistance, high frequency transmission performance, and high strength of steel.

　　Purpose:

　　1. Ground wire for power transmission lines, large-span conductors

　　2. Reinforced core wire for aluminum clad steel core aluminum stranded wire

　　3. Load bearing cables for electrified railway contact systems

　　4. Lightning protection grounding wire, lightning protection wire

　　5. Ice and snow resistant wire, double capacity wire, self damping wire

　　 Aluminum clad steel stranded wire JLB20A-80 grounding wire and lightning protection wire. Aluminum clad steel stranded wire is divided into six groups according to conductivity: 20AC, 23AC, 27AC, 30AC, 3 * * C, and 40AC, with corresponding conductivity of 20.3%, 23%, 27%, 30%, 35%, and 40% IACS.

　　 Aluminum clad steel stranded wire model JLB20A, specifications 30-800, in accordance with standard GB/T124-2017.

　　 Conductivity JLB20A-80-1 * 7 LBGJ aluminum clad steel stranded OPGW optical cable

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