ACSR is a concentrically stranded conductor composed of one or more layers of hard-drawn 1350H19 aluminum wire stranded with a high?strength coated steel core. The core maybe single wire or stranded depending on the size.
The proportions of aluminum and steel can be varied to obtain the relation between current-carrying capacity and mechanical strength best suited to each application.
Core wire for ACSR is available with Class A, B or C galvanizing; "aluminized" aluminum coated (AZ); or aluminum clad (AW).
Additional corrosion protection is available through the application of grease to the core or infusion of the complete cable with grease.