In high-voltage transmission networks crossing mountains, coastlines, and deserts, ​​conductor durability defines grid stability​​. Traditional cables buckle under ice loads, corrosion, and mechanical stress—triggering costly outages. ​​Shanghai Shenghua Power Group Cable​​ addresses this with its ​​GSW ACSR (Galvanized Steel Wire Aluminum Conductor Steel Reinforced)​​, engineered to deliver unmatched strength, corrosion resistance, and anti-extrusion performance for overhead lines where failure is not an option.

​​Triple-Layer Engineering Excellence​​

1. ​​High-Strength Core​​:

   • Galvanized steel wire (GSW) core achieves ​​tensile strength up to 1,620 MPa​​ (Very High Grade), outperforming standard ACSR by 20% while resisting deformation from ice/wind loads
      
   • ​​Anti-extrusion design​​: Zinc coating (185–290 g/m²) prevents galvanic corrosion in coastal/industrial zones, extending lifespan to 50+ years
      

2. ​​Optimized Conductivity​​:

   • Aluminum strands (16.41–765.99mm²) ensure ​​low DC resistance​​ (e.g., 0.0334 Ω/km for 996.2mm²), reducing energy loss by 3.2 GWh/year per 100km line versus conventional designs

3. ​​Mechanical Resilience​​:

   • ​​Twist resistance​​: Withstands 10–16 full 360° twists (per ASTM A475), critical for vibration damping in windy corridors
      
   • ​​Sub-zero flexibility​​: Operates at ​​-40°C to 200°C​​, with preheating enabling installation in Arctic environments
      

​​Certified for Global Power Grids​​

Shenghua’s GSW ACSR complies with:

• ​​ASTM A475/A231​​: Validated tensile strength and zinc adhesion
   
• ​​IEC 61089 & BS EN 50183​​: Corrosion resistance and fatigue testing
   
• ​​DIN 48204​​: Certified for European UHV projects (380kV+ transmission)
   

​​Technical Specifications: Shenghua GSW ACSR Range​​

Three strength grades: General (1,290–1,620 MPa), High (1,380–1,590 MPa), Very High (1,520–1,620 MPa)

​​Critical Applications​​

• ​​Extreme Weather​​: 19/3.81mm GSW ACSR (259.3 kN strength) supports 500m spans in Himalayan ice zones
   
• ​​Coastal Networks​​: 7/3.05mm zinc layer (215 g/m²) resists salt spray in Southeast Asian grids
   
• ​​Renewable Integration​​: 37/4.09mm conductors (581.8 kN) connect 1GW offshore wind farms with 0.0406 Ω/km efficiency
   

​​Why Shenghua Dominates Global Transmission Projects​​

• ​​30+ Years of Expertise​​: Supplied 15,000km+ GSW ACSR for China’s West-East Power Project
   
• ​​Rigorous Testing​​: In-house labs validate ice-load endurance (-30°C), vibration fatigue (50M+ cycles), and creep resistance
   
• ​​Sustainable Manufacturing​​: Zinc recycling processes reduce environmental impact by 40%
   

Specifications

The product galvanized steel wire (GSW) is used for the cord of ACSR (Aluminum Conductor Steel Reinforced) conductor. Being the leading enterprise of this industry, the GSW manufactured by Shenghua has excellent mechanical property, best quality of coating and nice condition of surface.