The galvanized single steel wires or stranded steel wires are suitable for cores of ACSR to improve its tensile strength. And they can also be used in the aerial transmission line as the line material of ground connection to avoid the lightning strike.
The single wires are concentrically stranded and wrapped helically around a central wire.
1. ASTM A475 Standard
2. ASTM A 363 Standard
3. BS 183 Standard
4. Other International Standard