Galvanized steel wire for Steel-cored Twistiong Aluminium Cable
Tensile Strength not Less Than (MPa)
Stress at l% Elongation not less than (MPa)
Elongation not less than (Lo=200mm)(%)
No.of Torsions not less (Time/360Degree)
1.25—2.25
1310
1170
4
18
2.26—3.00
1140
3.01—3.80
1100
Nominal Diameter (mm)
Weight of Zinc Coat net less than (Q/m2)
lmmersion Test in Copper Sulphate Solution (Time/60Seconds)
ZincCoatAdhesiveStrength(Dia.of CoreRodisNTimesThatofWire)
Coils
1.25-1.50
183
2
? 6
1.51—1.75
198
1.76—2.25
214
2.5
2.26-2.75
229
3
2.76-3.50
244
3.5
3.51-3.80
259
5
Main Applications: Suitable for making steel reinforced aluminium cable used as overhead power line ExecutiveStaandard:GB3428-82