Contact Info
- Tel: +86-311-87813582
- Fax: +86-311-87829648
- Email: Kaiwork@126.com
- Whatsapp: +86 86 138 3318 2035
- Add: No.345, Youyi North Street, Shijiazhuang City, Hebei Province, China.
American Standard Utility & Structural Grade. Engineered in strict compliance with ASTM A475 specifications, our 1x7 extra-high-strength (EHS) galvanized steel wire strand combines heavy-duty Class A zinc coating with maximum tensile integrity, delivering ultimate breaking load reliability and superior corrosion resistance for utility poles, telecommunication towers, and structural guy systems.
ASTM A475 Class A EHS 1x7 Galvanized Steel Wire Strand | Extra High Strength Guy Strand
​Designed for critical overhead utility lines and structural anchoring under ASTM design codes. Every coil adheres to rigorous mechanical and galvanization benchmarks.
|
Technical Parameter |
Specification Value |
Governing Standard |
|
Specification & Grade |
ASTM A475 (Extra High Strength - EHS) |
ASTM A475 / ASTM A363 |
|
Strand Construction |
1x7 (1 Center Wire + 6 Helical Outer Wires) |
ASTM A475 |
|
Available Diameters |
6.35 mm (1/4") to 15.88 mm (5/8") |
ASTM A475 |
|
Specified Tensile Strength |
Extra High Strength (EHS Grade Steel) |
ASTM A475 |
|
Minimum Breaking Load (MBL) |
High-Capacity Range (Up to ≥ 192.6 kN / 43,300 lbs for 1/2" EHS) |
ASTM A416 / ASTM A475 |
|
Galvanized Coating |
Class A Heavy-Duty Zinc Coating |
ASTM A475 / ASTM A90 |
|
Surface Condition |
Uniformly Galvanized, Stress-Relieved, Clean |
Corrosion-Inhibited Free |
· ​ASTM A475 EHS Certified Compliance: Manufactured strictly to meet the rigorous mechanical strength, elongation, and breaking load requirements established by ASTM A475 for Extra High Strength guy strands.
· ​Class A Heavy-Duty Zinc Protection: Coated with a thick, uniform layer of high-purity zinc via Class A processing, providing long-lasting sacrificial anode defense against atmospheric oxidation and moisture.
· ​Maximum Structural Tensile Performance: The high-carbon steel 1x7 wire construction delivers exceptional breaking loads, ensuring absolute stability for utility poles, guy anchors, and structural support towers under high wind loads.
· ​Full Metallurgical Traceability: Manufactured under strict ISO 9001 quality protocols. Each commercial shipment includes a comprehensive Mill Test Certificate (MTC) verifying breaking load, diameter tolerance, and zinc coating weight.
​Engineered for heavy-load-bearing structural applications and overhead utility systems across North American and international markets:
· ​Electric Power & Utility Infrastructure: Overhead transmission line guy wires, pole-line anchors, dead-end ties, and structural support stays.
· ​Telecommunications Engineering: Guyed communication towers, cellular mast anchoring, and antenna support lines.
· ​Civil & Structural Rigging: Heavy-duty structural guy lines, fencing tension wires, and industrial foundation stabilization.
​Q: Do these strands comply with ASTM A475 EHS standards?
A: Yes. Our 1x7 galvanized steel strands are produced and tested in strict accordance with ASTM A475, meeting the strict breaking load and Class A galvanization requirements demanded by utility companies worldwide.
​Q: What is the difference between SC, HS, and EHS grades under ASTM A475?
A: EHS (Extra High Strength) offers the highest tensile and breaking load capacity among ASTM A475 grades, making it the preferred choice for heavy utility loads and large structural span guy lines.
​Q: What is the standard export packaging and transport safety?
A: Coils are securely bound with high-tensile steel strapping, wrapped in protective moisture-resistant materials, and palletized to prevent any mechanical damage or zinc coating abrasion during international containerized transit.
