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Steel strand

Steel strand
Premium Wire

Steel strand is a metal product made by precisely stranding multiple high-strength steel wires, capable of withstanding ultra-high tensile forces with minimal deformation. It is a critical material in modern construction engineering and power transmission fields. Strand series includes Prestressed Steel Strand/Galvanized Steel Strand/Stainless Steel Strand

Corrosion Resistant
Consistent Strength
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Application
  • Buildings
    Prestressed concrete structures (bridges, high-rise buildings)
  • Power
    Power transmission overhead lines
  • Geotechnical
    Geotechnical anchoring systems
  • Suspension
    Cable-stayed and suspension bridge systems
  • Safety
    Mine support and safety protection
Highlights
Composed of multiple high-strength steel wires stranded together, with surface treatments including galvanized coating, zinc-aluminum alloy coating, aluminum clad, copper coating, or epoxy coating as required. Features high tensile strength, low relaxation, stable modulus, stress elimination, and excellent bonding with concrete.
Specification

Name

Detail

Common Diameters

0.5-4.5mm、9.53mm、12.7mm、15.20mm、15.24mm、17.8mm、18.9mm、21.6mm、21.8mm

Structure Types

By wire count: 2-wire, 3-wire, 7-wire, 19-wire, 37-wire structures

Most common: 7-wire strand

Prestressed strand: 7, 2, 3, 19-wire

Power transmission strand: 2, 3, 7, 19, 37-wire

Technical Parameters

Tensile strength grades: 1720, 1770, 1860, 1960, 2000, 2100MPa

Common strength: 1860MPa

Anti-corrosion: Drum protection devices, multi-layer winding for oxidation prevention

Certification Standards

Prestressed strand: ISO 2408:2017, GB/T 5224-2014

Epoxy coated strand: ISO 14655, JG/T 387-2012

Stainless steel strand: ISO 15630-3, GB/T 25821-2023

Unbonded strand: JG161-2004

Galvanized strand: YB/T 5004-2012
Finishing & Packaging

Name

Detail

Product Form

Supplied in coils for easy transportation and storage

Length requirement: Each coil consists of a complete strand, length ≥200m

Packaging

Coil

Spool

Multi-layer winding

Custom packaging available
Application Verticals
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