Aluminum Rod (also known as EC Grade Aluminum Wire Rod or Electrical Conductor Rod) is a high-purity aluminum product specifically engineered as the primary raw material for the wire and cable industry. Produced from electrical conductor (EC) grade aluminum with a minimum purity of 99.5%, this rod is the essential feedstock for manufacturing high-performance bare overhead conductors, including All Aluminum Conductors (AAC), All Aluminum Alloy Conductors (AAAC), and Aluminum Conductors Steel Reinforced (ACSR).
Manufactured through advanced continuous casting and rolling (CCR) processes and supplied in the widely used 9.5 mm diameter, RLB Aluminum Rod offers exceptional electrical conductivity, superior drawability, tight dimensional tolerances, and consistent mechanical properties. These characteristics enable cable manufacturers to achieve high production yields, minimal wire breaks during multi-pass drawing, and final conductors that meet stringent international performance requirements for long-span transmission lines.
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Key Features & Technical Advantages
- High Electrical Conductivity — Minimum 61.4% IACS, ensuring low transmission losses in final overhead conductors.
- Excellent Drawability — Optimized tempers (H12/H14) allow efficient reduction on modern high-speed rod breakdown and multi-wire drawing lines with minimal breakage.
- Consistent Mechanical Properties — Tight control of tensile strength and elongation delivers predictable performance during stranding and installation.
- Superior Surface Quality — Clean, smooth surface reduces die wear and defects in downstream wire drawing processes.
- Dimensional Stability — 9.50 mm ± 0.50 mm diameter with controlled ovality for smooth feeding into drawing equipment.
- Proven in Demanding Environments — Performs reliably in the high-temperature, high-UV, and sand-laden conditions typical of Middle East transmission corridors.
Primary Applications
RLB Aluminum Rod is the preferred raw material for:
- All Aluminum Conductors (AAC) — Urban distribution and short-span transmission lines.
- All Aluminum Alloy Conductors (AAAC) — Medium- and long-span lines requiring higher strength-to-weight ratio and improved corrosion resistance.
- Aluminum Conductors Steel Reinforced (ACSR) — Long-span high-voltage transmission lines where the steel core provides mechanical strength while aluminum strands carry the current.
- Other bare overhead conductors for power transmission, distribution, and renewable energy integration projects.
Its combination of conductivity, workability, and cost-effectiveness makes it the material of choice for cable factories supplying major infrastructure projects across Saudi Arabia, the GCC, and international markets.
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Manufacturing Standard & Compliance
Fully compliant with ASTM B233 – Standard Specification for Aluminum Rods for Electrical Purposes. This ensures rigorous control over chemical composition, mechanical properties, electrical conductivity, and surface quality.
Chemical Composition (Maximum % unless otherwise specified)
Mechanical & Electrical Properties (9.50 mm Diameter)
Mechanical & Electrical Properties (9.50 mm Diameter)
| Grade | Tensile Strength (MPa) | Min Elongation (%) | Max Resistivity (Ω·mm²/m) | Min Conductivity (% IACS) |
|---|
| H12 | 83 – 117 | 4 | 0.028035 | 61.5 |
| H14 | 103 – 138 | 6 | 0.028080 | 61.4 |
Diameter: 9.50 mm ± 0.50 mm tolerance
| Parameter | Typical Value | Test Condition / Standard |
|---|
| Purity (Aluminum) | ≥99.5% | EC Grade |
| Temper | H12 / H14 | Soft-annealed for drawability |
| Diameter | 9.50 mm ± 0.50 mm | Standard rod size |
| Tensile Strength | 95–125 MPa | ASTM B233 |
| Elongation | ≥10% | ASTM B233 |
| Electrical Conductivity | ≥61% IACS | High conductivity |
| Coil Weight | 2000 kg ± 10% | Standard coil |
| Standards | ASTM B233 | International compliance |
Note on Product Scope: This is EC Grade Electrical Conductor Aluminum Rod designed exclusively for wire drawing and overhead conductor production. It is distinct from aluminum brazing rods, flux-cored welding rods, hollow structural tubing, or decorative curtain rods. For non-electrical applications, please contact our technical team for suitable alternatives.
Manufacturing Process & Quality Assurance
RLB sources and supplies Aluminum Rod produced via state-of-the-art continuous casting and rolling (CCR) technology. This process delivers:
- Homogeneous microstructure
- Excellent surface finish
- Consistent mechanical and electrical properties batch after batch
Every coil undergoes comprehensive testing for chemical composition (spectrometer), tensile strength, elongation, electrical resistivity/conductivity, diameter, and surface quality. Full traceability and mill certificates are provided with each shipment.
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Packaging, Logistics & Delivery
Aluminum Rod is supplied in large, robust coils optimized for efficient feeding into rod breakdown machines:
- Coil Weight: 2000 kg ± 10% (other weights available on request)
- Internal Diameter: 600 ± 10 mm
- External Diameter: 1400 – 1450 mm
- Height: Approximately 900 mm
- Packaging: Waterproof and moisture-proof sandwich bag protection, secured to heavy-duty wooden pallets with steel straps and cardboard lining.
- Loading: Up to 10 coils per 20-foot container (eye-to-sky orientation recommended).
Custom packaging, labeling, and coil dimensions can be arranged to match your specific production line requirements and regional logistics preferences (Jeddah Islamic Port, King Abdulaziz Port Dammam, etc.).
Why Choose RLB as Your Aluminum Rod Supply Partner
- Reliable Quality — Consistent properties reduce drawing breaks, improve yield, and lower total production cost.
- Technical Expertise — Deep understanding of how rod characteristics affect downstream conductor performance and stranding operations.
- Customized Solutions — Flexible tempers, diameters, and packaging tailored to your equipment and market requirements.
- Supply Chain Reliability — Stable sourcing and on-time delivery critical for continuous cable manufacturing operations.
- Long-Term Partnership — Dedicated technical support, transparent communication, and collaborative approach to quality and logistics optimization.
- Regional Focus — Strong experience supporting cable manufacturers serving Saudi Vision 2030 grid expansion, GCC interconnection projects, and renewable energy transmission infrastructure.
Technical Support & Value-Added Services
Our team provides guidance on rod selection for specific conductor designs, optimization of drawing parameters, and troubleshooting of production issues. We also offer coordination with our equipment division for rod breakdown lines, wire drawing machines, and complete conductor production solutions.
Inquiry Now — Contact our technical sales team for current pricing, detailed technical data sheets, coil samples, or a customized quotation for your production requirements. We are ready to support your next project with reliable quality and responsive service.
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