High-elongation aluminum stranded wire

The utility model relates to a high elongation aluminum stranded wire, comprising an outer fireproof sheath, the center position in the outer fireproof sheath is provided with a wire core structure, the wire core structure comprises an aluminum stranded wire structure at the outer side and a steel stranded wire structure at the inner side, the aluminum stranded wire structure comprises six double-strand first aluminum stranded wires wrapped and twisted at the outer side of the steel stranded wire structure, and the six double-strand first aluminum stranded wires are wrapped and twisted at the outer side of the steel stranded wire structure. The steel stranded wire structure comprises six auxiliary steel stranded wires wrapped and twisted on the inner side of the aluminum stranded wire structure, and a second aluminum stranded wire is wrapped and twisted between every two adjacent groups of double-strand first aluminum stranded wires. According to the utility model, the multi-layer aluminum-clad steel structur