Aluminum clad steel core aluminum stranded wire JL1/LB20A300/25 for power transmission and transformation, supplied by the factory

Description :

　　Aluminum clad steel core aluminum stranded wire JL1/LB20A300/25 for power transmission and transformation, supplied by the factory

　　Aluminum clad steel cored aluminum stranded wire is a new type of wire used for power transmission. Similar to steel cored aluminum stranded wire, it also uses multiple strands of aluminum single wire on the outside and one or more strands of aluminum clad steel wire on the inside. With the aluminum clad steel wire as the center, it is twisted and wrapped around the aluminum clad steel wire by machine equipment, with adjacent layers twisted in opposite directions. The aluminum single wire mainly carries current, while the aluminum clad steel wire plays a role in carrying tension; Compared to steel core aluminum stranded wire, it has stronger corrosion resistance, lower resistance under the same cross-section, and the same installation characteristics as steel core aluminum stranded wire.

　　Product execution standard: GB/T1179-2017 "Round Wire Concentric Twisted Frame Empty Wire";

　　Model and specification letter code representation method:

　　Taking aluminum clad steel core aluminum stranded wire JL/LB20A-240/30-24/7 as an example

　　J------------ Concentric Twisting

　　L - Aluminum

　　/------------Interval symbol

　　LB20A ------------ Aluminum clad steel wire material and aluminum clad steel wire material grade

　　240/30- cross-sectional area of aluminum wire/cross-sectional area of steel wire

　　24/7- Number of aluminum single wire strands/Number of steel single wire strands

　　Operating parameters of steel cored aluminum stranded wire:

　　(1) The wire can operate at -20-+90 ℃ for a long time and reach 130 ℃ in a short time.

　　(2) Whether at room temperature or high temperature, the wire maintains the creep performance of ordinary wire, and its mechanical properties exceed or maintain those of ordinary wire.

　　(3) After laboratory salt spray test and atmospheric exposure test, there is no difference between the two.

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• Aluminum clad steel core aluminum stranded wire for power transmission and transformation