The medium-strength aluminum alloy wires have the characteristics of good tensile strength and creep resistance, resistance and voltage drop characteristics, strong adaptability, good thermal conductivity, and light weight. This makes it used in the production of overhead stranded wires and is widely used in the power industry for different power transmission and distribution applications.
Why choose Chalco Intermediate strength aluminum alloy wire for overhead line conductors?
Quality could full meet world wide cable wire standard: NBT, UL, CE, TUV, SAA, etc.
Production and management comply with international cable wire quality system, to make sure specific intermediate strength advantage and resistance advantage.
The specs of intermediate strength aluminium alloy wire for overhead line conductors
| Specification | |
| Type | LHA3, LHA4 |
| Nominal diameter d/mm | 2.00≤d≤5.00 |
| Surface Quality | Smooth surface, no cracks, no burrs, no inclusions |
The property of Intermediate strength aluminium alloy wire for overhead line conductors
| Mechanical properties | ||||
| Nominal diameter dmm | LHA3 | LHA4 | ||
| Tensile strength MPa | Elongation % | Tensile strength MPa | Elongation % | |
| 2.00≤d<3.0 | ≥250 | ≥290 | ||
| 03.00≤d<3.5 | ≥240 | ≥275 | ||
| ≥3.5 | ≥3.0 | |||
| 03.50≤d<4.0 | ≥240 | ≥265 | ||
| 04.00≤d≤5.00 | ≥230 | ≥255 | ||
| Resistivity | ||
| Type | LHA3 | LHA4 |
| Conductivity | ≥58.5% IACS | ≥57.0% IACS |
The dimension deviation of intermediate strength aluminium alloy wire for overhead line conductors
| Diameter deviation | |
| Diameter d/mm | Allowable deviation /mm |
| 2.00≤d<3.00 | ±0.03 |
| 3.00≤d≤5.00 | ±1%d |
Characteristics of Intermediate strength aluminium alloy wire for overhead line conductors
Good tensile strength and creep resistance: medium-strength aluminum alloy wires usually have high tensile strength and creep resistance, which can withstand long-term stable working loads and prolong the service life of the wires.
Excellent resistance and voltage drop characteristics: intermediate strength aluminium alloy wires has low resistance and voltage drop, which can reduce energy loss and power loss, and improve the efficiency of power transmission.
Superior strength: compared with ordinary aluminum conductors, Intermediate strength aluminium alloy wires used on overhead stranded wires have higher specific strength and can withstand greater tension and loads. This makes it even better at transporting long distances and spanning large support structures.
Lightweight: compared with copper wires, medium-strength aluminum alloy wires are lighter in weight, which makes it more convenient for suspended installation or long-distance transmission. In addition, the lighter weight reduces installation and maintenance costs.
Strong adaptability: intermediate strength aluminium alloy wires is suitable for different types of overhead lines, including transmission lines, distribution lines and branch lines. It can be used in different application scenarios, such as urban, rural, industrial areas, etc.
Good thermal conductivity: the medium-strength aluminum alloy wire has high thermal conductivity, which can effectively dissipate heat. This is very important for the performance and safety of power transmission lines and power equipment.
Good electrical conductivity: the Intermediate strength aluminium alloy wires used on the overhead stranded wire has good electrical conductivity and can effectively transmit power. Although it has slightly lower electrical conductivity than copper, medium-strength aluminum alloy wire is still a cost-effective choice.
Good anti-wind vibration performance: medium-strength aluminum alloy wires usually have good anti-wind vibration performance when used on overhead stranded wires, which can reduce wire vibration and swing caused by wind blowing, and improve the stability and reliability of the line.
Items for purchasing intermediate strength aluminium alloy wire for overhead line conductors
Material quality and certification: make sure that the purchased Intermediate strength aluminium alloy wires complies with relevant national or international standards and has qualified quality certification. This ensures product quality and reliability.
Strength grade: intermediate strength aluminium alloy wires has different strength grades to choose from. Learn about the performance characteristics of the different grades and choose the appropriate strength grade for your specific application needs.
Specifications and dimensions: determine the specifications and dimensions of the medium-strength aluminum alloy wires you need, including the cross-sectional area of the wire, wire diameter, lay length, etc. This will be determined based on your specific application and power delivery needs.
Electrical performance: pay attention to the electrical performance parameters of medium-strength aluminum alloy wire, such as electrical conductivity, resistance, and tensile strength. Make sure it meets your power delivery requirements and meets appropriate standards and codes.
Applicable environment: consider the specific environmental conditions that the medium-strength aluminum alloy wire will be used in, such as temperature range, humidity, altitude, etc. Make sure that the selected wire will perform well in the intended environment and has the characteristics to withstand the appropriate environmental factors.
Installation and maintenance requirements: learn about installation and maintenance requirements for medium-strength aluminum alloy wire. This includes connection methods, insulation requirements, corrosion protection measures, etc. Select wires that match your installation and maintenance capabilities to ensure correct and reliable installation and maintenance.
Project budget and total cost: compare prices and total costs of different suppliers based on your project budget. In addition to the price of the wire itself, other factors such as transportation costs, installation costs, and maintenance costs must also be considered to obtain the most economical and reasonable choice.
The application of Intermediate strength aluminum alloy wire for overhead conductors
Due to its advantages in manufacturing, design, construction, transportation, etc., Intermediate strength aluminium alloy wires is widely used in the field of transmission conductors.
Power transmission: intermediate strength aluminum alloy wire for overhead conductor are widely used in power transmission lines, including high-voltage transmission lines, medium-voltage transmission lines and low-voltage distribution lines. It can withstand high tensions and loads and is able to transmit power efficiently.
Overhead lines: intermediate strength aluminium alloy wire for overhead line conductors, including transmission lines between urban roads, rural areas, industrial areas, and power facilities. It can be hung from utility poles or towers for power transmission and distribution.
