Aluminum Clad Invar products

Aluminum clad invar is different from aluminum clad steel that it use invar rather than high-carbon steel wire as the steel core material,although invar is no match for high-carbon steel in the aspect of strength,ti is coefficient of thermal expansion is much lower than high-carbon steel. So the transmission capacity of the cable products which adopt invar material may increased by 50% than other cable  products with the same structure. As the characteristic of thermal expansion,the sag of aluminum clad invar products is much smaller than the sag of aluminum clad steel products at the same temperature,when the cable is being laid,the span between the towers can be increased and the height can be reduced, when it conveying the same capacity of electricity, its investment costs are lower than ordinary aluminum clad steel conductor.


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