ASTM Standard ASCR WIRE 2 AWG Bare Aluminum Conductor Steel Reinforced Sparrow Accord With B232

ASTM Standard ASCR WIRE 2 AWG Bare Aluminum Conductor Steel Reinforced Sparrow Accord With B232

Aluminum Conductor Steel Reinforced (ACSR) is a composite conductor widely used in high-voltage and ultra-high voltage transmission lines. Its name directly reveals its intricate structure: the interior consists of single or multiple high-strength galvanized steel wires, forming the "skeleton" of the conductor and providing the main mechanical support; Externally, multiple strands of aluminum wire with excellent conductivity are twisted together, serving as the "blood vessels" of the wire and undertaking the main task of current transmission. This design concept of "combining rigidity and flexibility" cleverly combines the strength of steel with the conductivity of aluminum, allowing ACSR to withstand enormous tension and harsh weather conditions (such as strong winds and ice loads) while having excellent current carrying capacity, ensuring the safety and stability of long-distance transmission lines.

ACSR Conductor Standards
* ASTM B-232 * BS 215
* CSAC 61089 * AS/NZS 3607
* DIN 48204 * IEC 61089
* GB/T 1179 * JIS C3110

Specifications

The Characteristics of ACSR:

• High strength: The steel core provides excellent tensile strength and is suitable for long-distance overhead lines.
• Good conductivity: The aluminum outer layer ensures good conductivity and reduces energy loss.
• Corrosion resistance: Galvanized steel core and anti-corrosion treated aluminum wire are usually used to extend their service life.
• Lightweight: Compared to pure steel wires, it is lighter in weight and easier to install and maintain.

ApplicationsThe core advantages of ACSR lie in its excellent strength to weight ratio and economy. The low density of aluminum makes the overall weight of the wire lighter, reducing the load on the iron tower and construction costs. The steel core endows the conductor with extremely high tensile strength, enabling it to achieve large-span installation, especially in transmission projects that require crossing rivers, valleys, or remote areas, making it an irreplaceable choice. In addition, aluminum strands exposed to air will quickly form a dense aluminum oxide film, which has a certain degree of corrosion resistance; The internal steel core has also been galvanized, further enhancing the overall service life. Therefore, from urban and rural power grid renovation to cross regional backbone power grids, ACSR is one of the most common and reliable types of conductors.

Packing & Delivery:
Wooden drums with dimater 1.1m, 1.2m, 1.6m, 1.8m and 2.2m etc.

Aluminium conductors are commonly wound onto wooden or steel reels, which provide protection during transport and handling.

According to customers request.

Pay attention to the following steps during installation:

1. Tension control: It is recommended to control the tension at 20% -30% of the rated value to avoid excessive stretching.
2. Sag adjustment: Adjust the sag according to the ambient temperature, generally within the range of 1% -3% span.
3. Connection processing: Use specialized crimping tools, and the recommended crimping pressure is 20-30MPa.

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