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Aluminum-Clad Steel Wire

Aluminum-Clad Steel Wire
Aluminum-Clad Steel Wire
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Aluminum-Clad Steel Wire

  • Widely used in OPGW cables, shield wires, and structural applications, these wires offer an optimal combination of strength and conductivity.
  • Applications include OPGW cables, chain link fencing, shield wires, helical fittings, and ADSS fittings
  • Manufactured in compliance with internationally accepted standards and specifications

Extra High-Strength Aluminum-Clad Steel (ACS) Wire

Engineered for demanding applications requiring superior tensile strength and durability, particularly in transmission and infrastructure environments


Aluminum-Clad Invar Wire (AS Invar)

Specialty wires designed for high-temperature, low-sag (HTLS) conductors, forming the core of invar-type conductor technology composed of Fe–36% Ni alloy, known for its exceptionally low thermal expansion properties


Key Characteristics:

  • Extremely low coefficient of thermal expansion (~3.7 × 10-6 /°C up to 230°C)
  • Significantly lower expansion compared to steel and Aluminum
  • Aluminum cladding enhances corrosion resistance
  • Reliable performance under high-temperature operating conditions
  • Ensures minimal sag in overhead transmission lines

ALUMINUM CLAD INVAR – AS PER JCS 1404 STD.

DiameterDiameter ToleranceMin. Tensile StrengthMin. Elongation at fracture on 250mm Gauge lengthMon. No. of twists on 100xDMin. Radial Thickness of Aluminum CladdingCoefficient of Linear ExpansionCoefficient of Linear ExpansionMassMin.ConductivityDCResistance @ 20°C
DiameterDiameter ToleranceMin. Tensile StrengthMin. Elongation at fracture on 250mm Gauge lengthMon. No. of twists on 100xDMin. Radial Thickness of Aluminum Cladding15~230°C230~290°CMassMin.ConductivityDCResistance @ 20°C
(mm)(mm)(N/mm²)%(turns)(mm)X 10-6 C-1X 10-6 C-1(Kg/Km)(%IACS)(Ω/Km)
3± 0.06103010% of nominal radial thickness50.1917.42
3.4± 0.0798110% of nominal radial thickness64.4613.56
3.8± 0.079811.52010% of nominal radial thickness≤ 3.70≤ 10.8080.5213.810.86
4.3± 0.0893210% of nominal radial thickness103.118.48
5± 0.1093210% of nominal radial thickness139.416.27

ALUMINUM CLAD INVAR – HIGH STRENGTH

DiameterDiameter ToleranceMin. Tensile StrengthMin. Elongation at fracture on 250mm GaugelengthMon. No. of twists on 100xDMin. Radial Thickness of AluminumCladdingCoefficient of LinearExpansionCoefficient of LinearExpansionMassMin.ConductivityDCResistance @ 20°C
DiameterDiameter ToleranceMin. Tensile StrengthMin. Elongation at fracture on 250mm GaugelengthMon. No. of twists on 100xDMin. Radial Thickness of AluminumCladding15~230°C230~290°CMassMin.ConductivityDCResistance @ 20°C
(mm)(mm)(N/mm²)%(turns)(mm)X 10-6 C-1X 10-6 C-1(Kg/Km)(%IACS)(Ω/Km)
2± 0.0411501.52010% of nominal radial thickness≤ 3.70≤ 10.8022.3113.839.2
2.3± 0.0411501.52010% of nominal radial thickness≤ 3.70≤ 10.8029.513.829.64
2.6± 0.0511501.52010% of nominal radial thickness≤ 3.70≤ 10.8037.713.823.2
2.8± 0.0511301.52010% of nominal radial thickness≤ 3.70≤ 10.8043.7213.820
3± 0.0611301.52010% of nominal radial thickness≤ 3.70≤ 10.8050.1913.817.42
3.4± 0.0611001.52010% of nominal radial thickness≤ 3.70≤ 10.8064.4613.813.56
3.8± 0.0611001.52010% of nominal radial thickness≤ 3.70≤ 10.8080.5213.810.86
4± 0.0610801.52010% of nominal radial thickness≤ 3.70≤ 10.8089.2213.89.8
4.3± 0.0610801.52010% of nominal radial thickness≤ 3.70≤ 10.80103.1113.88.48
4.5± 0.0610801.52010% of nominal radial thickness≤ 3.70≤ 10.80112.9213.87.74
5± 0.0710301.52010% of nominal radial thickness≤ 3.70≤ 10.80139.4113.86.27

ALUMINUM CLAD STEEL CONDUCTOR (ACS) – EN 50182

Code NameSectional Areamm²StrandingStrandingOverall Diameter of ConductormmWeightKg/kmD CResistance at 20°CΩ /KmRated StrengthKN
Code NameSectional Areamm²No. of WiresNo.Individual wire diametermmOverall Diameter of ConductormmWeightKg/kmD CResistance at 20°CΩ /KmRated StrengthKN
24-A20SA24.272.16.3161.53.536432.49
34-A20SA34.472.57.52292.495346.04
49-A20SA49.5739329.71.732866.3
66-A20SA65.8192.110.54411.310288.18
93-A20SA93.3192.512.5624.90.9245124.98
117-A20SA117192.814783.90.737156.77
147-A20SA147.1372.2515.8989.20.5881197.13
182-A20SA181.6372.517.51 221.20.4764243.38
243-A20SA242.5612.2520.31 636.10.3579325
299-A20SA299.4612.522.52 019.80.2899401.24
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