| Customization: | Available |
|---|---|
| Type: | Bare |
| Conductor Type: | Stranded |
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ACSR CABLE OVERVIEW
Aluminum conductor steel reinforced (or ACSR) cable is a specific type of high-capacity, high-strength stranded cable typically used in overhead power lines. The outer strands of ACSR cable are aluminum, chosen for its excellent conductivity, low weight and low cost. The center strand is of steel for the strength required to support the weight without stretching the aluminum due to its ductility. This gives the cable an overall high tensile strength.
ACSR construction uses aluminum alloy 1350-H19 wires, concentrically stranded around a steel core. Core wire for ACSR is available with class A, B, or C galvanizing; aluminum coated (AZ); or aluminum-clad steel core (AL). Additional corrosion protection is available through the application of grease to the corer or infusion of the complete cable with grease.
The higher resistance of the steel core is of no consequence to the transmission of electricity since it is located far below the skin depth where essentially no AC current flows.
Overhead transmission and distribution lines
Long-span installations, such as river crossings
High-tension applications, especially where strength-to-weight ratio is critical
Common in both urban and rural power grids
Suitable for aerial installations in areas with strong wind or ice load conditions
ACSR conductors typically conform to the following international standards:
ASTM B232 / B232M - Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Coated-Steel Reinforced (ACSR)
BS 215-2 - British Standard for Aluminum Conductors Steel Reinforced
IEC 61089 - International Electrotechnical Commission standard for Round Wire Concentric Lay Overhead Electrical Stranded Conductors
DIN 48204 - German standard for overhead conductors
Specification (Typical, Varies by Size/Type)
| Property | Typical Value |
|---|---|
| Conductor Material | EC Grade Aluminum (1350-H19) |
| Core Material | Galvanized Steel (Class A, B, or C coating) |
| Construction | Stranded Aluminum around Steel Core |
| Temperature Rating | Up to 75°C (normal), 100°C (emergency), 150°C (short term) |
| Tensile Strength | High (dependent on steel core size) |
| Corrosion Resistance | Good, due to galvanized steel core and aluminum cladding |
| Sizes Available | From small sizes (e.g. Squirrel, Weasel) to large (e.g. Moose, Drake) based on regional codes like ASTM or BS |
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