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High Tensile Galvanized Guy Wire 3/8 inch 7-Wire Strand

High Tensile Galvanized Guy Wire 3/8 inch 7-Wire Strand

Utility & Structural Rigging Grade. Engineered in strict compliance with ASTM A475 and international utility specifications, our 3/8-inch (9.53 mm) 7-wire galvanized guy wire combines maximum ultimate tensile strength with a heavy-duty zinc-galvanized protective barrier, delivering ultimate breaking load reliability for utility poles, communication towers, and heavy structural anchors.

3/8 Inch High-Tensile Galvanized Guy Wire | 7-Wire EHS/HS Utility & Structural Strand

1. Technical Specifications & Metallurgical Data

​Designed for critical overhead utility anchoring and structural guy systems under rigorous industrial standards. Every coil adheres to strict mechanical and galvanization benchmarks.

Technical Parameter

Specification Value

Governing Standard

Nominal Diameter

3/8 inch (9.53 mm)

ASTM A475 / BS 183 / ISO

Strand Configuration

7-Wire (1 Center Wire + 6 Helical Outer Wires)

ASTM A475

Tensile Strength Grade

Available in HS (High Strength) & EHS (Extra High Strength)

ASTM A475 / ASTM A363

Minimum Breaking Load (MBL)

≥ 15.4 to 20.8 kN (Up to ≥ 15,400 lbs / 6,950 kgf

ASTM A475

Galvanized Coating

Heavy-Duty High-Purity Zinc Coating (Class A)

ASTM A475 / EN 10244-2

Surface Condition

Uniformly Galvanized, Stress-Relieved, Clean

Corrosion

2. Core Engineering Advantages

· â€‹Industry-Standard 3/8" Geometry: The optimal 9.53 mm diameter provides the perfect balance of flexibility for field termination and massive tensile capacity for demanding structural guy lines.

· â€‹Active Zinc Galvanized Defense: Uniformly coated with a thick, high-purity zinc protective layer, offering active sacrificial anode protection and an impermeable physical barrier against atmospheric corrosion and moisture.

· â€‹High Ultimate Breaking Load: Built from high-carbon steel wire rods in 7-wire configuration, delivering exceptional mechanical safety factors to secure utility poles and tall towers against extreme wind loads.

· â€‹Full Metallurgical Traceability: Manufactured under strict ISO 9001 quality protocols. Each commercial shipment includes a comprehensive Mill Test Certificate (MTC) verifying breaking load, elongation, and zinc coating weight.

​3. Industrial & Utility Applications

​Engineered for heavy-load-bearing structural applications and overhead utility systems across global markets:

· â€‹Electric Power Transmission & Distribution: Utility pole stay wires, dead-end pole anchors, transformer pole supports, and grounding ties.

· â€‹Telecommunications Infrastructure: Guyed communication towers, cellular antenna masts, and microwave relay station anchors.

· â€‹Civil & Structural Rigging: Heavy-duty structural guy lines, construction crane anchor stays, fence tensioning wires, and slope stabilization tethers.

​4. Frequently Asked Questions (FAQ)

​Q: What is the exact breaking load for this 3/8 inch guy wire?

A: Depending on whether you select HS (High Strength) or EHS (Extra High Strength) grades as per ASTM A475, the minimum breaking load ranges from approximately 15,400 lbs to over 20,800 lbs, satisfying major utility engineering requirements.

​Q: Do these strands comply with international standards like ASTM A475?

A: Yes. Our 3/8" 7-wire galvanized guy strands are produced and tested in strict accordance with ASTM A475 (and equivalent international utility specs), ensuring full acceptance by power companies and civil contractors.

​Q: What is the standard export packaging and transport safety?

A: Coils are securely wound, strapped with high-tensile steel, wrapped in heavy-duty moisture-proof materials, and palletized to prevent any mechanical damage or white rust during international sea freight.

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