Galvanized Steel Strand Wire for ACSR (also known as Galvanized Steel Stranded Wire or GSW) is a high-strength, corrosion-resistant stranded conductor manufactured from multiple hot-dip galvanized steel wires. It serves as the critical core reinforcement in Aluminum Conductor Steel Reinforced (ACSR) conductors and is widely used as overhead ground wire, static wire, and grounding conductor in power transmission and distribution systems.
The hot-dip galvanizing process provides a uniform, durable zinc coating that delivers excellent protection against atmospheric corrosion, while the multi-wire concentric stranding ensures superior tensile strength, flexibility, and fatigue resistance for long-span applications in demanding environments.
Key Applications
Galvanized Steel Strand Wire for ACSR is extensively deployed in:
- Core reinforcement in ACSR conductors for high-voltage and extra-high-voltage overhead transmission lines
- Overhead ground wires (shield wires) and static wires in transmission and distribution systems
- Grounding conductors in substations and high-voltage networks
- Messenger wires and guy wires in utility and telecommunication infrastructure
- Support and bracing applications in coastal, industrial, and high-pollution environments where mechanical robustness and corrosion resistance are essential
This product is particularly suitable for large-scale transmission and grid modernization projects in the Saudi Kingdom and GCC region, supporting Vision 2030 initiatives that require reliable long-span conductors and robust grounding solutions in harsh desert and coastal conditions.
Outstanding Advantages
- Superior Corrosion Resistance — Hot-dip galvanizing with uniform zinc coating provides outstanding protection in aggressive atmospheric environments.
- High Tensile Strength & Flexibility — Available in multiple grades (Common, Siemens-Martin, High-Strength, Extra-High-Strength) to match specific mechanical requirements.
- Excellent Stranding Performance — Smooth pay-off with minimal tangling, optimized for high-speed stranding machines in ACSR production lines.
- Consistent Mechanical Properties — Tight tolerances on tensile strength and elongation ensure uniform and predictable performance.
- Wide Size Range — Single wire diameters from 0.15 mm to 8.00 mm, supporting 3-wire, 7-wire, 19-wire, and other configurations.
- Premium Raw Materials — High-quality steel rod selected for superior strength, ductility, and consistent galvanizing adhesion.
- Full Process Monitoring — Strict quality control throughout production for stable, reliable performance.
Manufacturing Standards
Produced in full compliance with major international standards, including:
- ASTM A475 (Zinc-Coated Steel Wire Strand)
- ASTM A363 (Concentric-Lay-Stranded Steel Wire for Overhead Ground Wire)
- ASTM B498 (Zinc-Coated Steel Core Wire for ACSR)
Construction
The strand is formed by concentrically laying multiple galvanized steel wires around a central wire. Common configurations include 7-wire and 19-wire strands, providing an excellent balance of flexibility, breaking strength, and compact diameter.
Technical Specifications (ASTM A475 – Representative Sizes)
Full range available from 1/8″ to 1-1/4″ (approximately 3 mm to 32 mm) in Common, Siemens-Martin, High-Strength, and Extra-High-Strength grades.
Representative Galvanized Steel Strand Specifications
| Nominal Diameter of Strand (in/mm) | No. of Wires | Nominal Dia. of Coated Wires (in/mm) | Approx. Weight (lb/1000 ft) | Minimum Breaking Strength (Utilities Grade) lbf (kN) |
|---|
| 1/8 (3.18) | 7 | 0.041 (1.04) | 32 (15) | 540 (2.402) |
| 3/16 (4.76) | 7 | 0.062 (1.57) | 73 (33) | 1,150 (5.115) |
| 1/4 (6.35) | 7 | 0.080 (2.03) | 121 (55) | 1,900 (8.452) |
| 5/16 (7.94) | 7 | 0.104 (2.84) | 205 (93) | 3,200 (14.234) |
| 3/8 (9.52) | 7 | 0.120 (3.05) | 273 (124) | 4,250 (18.905) |
| 1/2 (12.70) | 7 | 0.165 (4.19) | 517 (234) | 7,400 (32.917) |
(Custom configurations, grades, and zinc coating classes available upon request.)
Packaging & Delivery
Supplied on robust wooden drums or steel-wooden drums for safe transportation, storage, and on-site handling. Custom packaging, lengths, and labeling options are available to meet specific project and production line requirements.
Why Choose Our Galvanized Steel Strand Wire for ACSR – Reliable Quality, Customized Service, Long-Term Partnership
- Proven Performance in Harsh Conditions — Excellent combination of high tensile strength and superior corrosion resistance for long-term reliability in overhead infrastructure.
- Optimized for ACSR Production — Smooth pay-off and consistent quality ensure high efficiency and minimal downtime in high-speed stranding operations.
- Flexible Design Options — Wide range of diameters, stranding configurations, and strength grades to precisely match project specifications.
- Full Compliance & Traceability — Manufactured under strict quality systems with complete certification to ASTM and other international standards.
- Tailored Solutions for Saudi & GCC Projects — Custom specifications and technical support aligned with Vision 2030 transmission, grounding, and grid modernization requirements.
- Dedicated Technical Partnership — Experienced support for conductor design, installation guidance, and long-term supply reliability.
Galvanized Steel Strand Wire for ACSR offers unmatched mechanical performance, superior corrosion resistance, and reliable quality for ACSR conductors and grounding applications. It remains the preferred choice for utilities and cable manufacturers seeking long-term durability in overhead power infrastructure.
Inquiry Now — Contact our technical team for detailed specifications, samples, or customized Galvanized Steel Strand solutions for your ACSR and grounding projects in the Saudi and GCC markets. We provide technical proposals and reference cases within 48 hours.
Galvanized Steel Strand Wire for ACSR – Reliable Cable
High-strength Galvanized Steel Strand Wire for ACSR core reinforcement and overhead grounding. Excellent corrosion resistance and tensile strength per ASTM A475. Custom sizes and grades for Saudi & GCC transmission projects. Inquiry Now.
Product SKU: ACSR
Product Brand: RLB Machinery
Product Currency: USD
Product Price: Contact for Quote
Product In-Stock: InStock
Reviews
There are no reviews yet.