Conductor   Galvanized steel(S2A)

            Number of wires:7

            Diameter of wire(mm):2.68±0.04

            Aluminium

Number of wires:26

Diameter of wire(mm):3.44±1%

            Diameter(mm):21.80±0.26

             Lay ratio          Lay Direction

6-wire Layer       16~26               RH

10-wire Layer       10~16               LH

16-wire Layer       10~14               RH


 

Mechanical properties and Electrical properties

Max. Conductor DC resistance at 20ºC(Ω/km):              0.1198

Rated tensile force(kgf):                                   8759

Cross-sectional area(mm²):                               281.1

Approximate mass(kg/km):                                 983

Aluminium

Minimum ultimate tensile stress:

Before stranding not less than 165MPa

After stranding not less than 157MPa

Galvanized steel(S2A)

Minimum ultimate tensile stress:

Before stranding not less than 1410MPa

After stranding not less than 1340MPa

Minimum stress at 1% extension:

Before stranding not less than 1280MPa

After stranding not less than 1216MPa

Grease

Drop point of grease is not less than 100ºC