Steel Strand/Prestressed Steel Strand,GB/T 5224, ASTM A416, BS 5896, EN 10138
Product Overview
Prestressed concrete steel strand is made of high-carbon steel wire rod through drawing, stranding and stabilizing treatment. It features high strength, low relaxation, high toughness and good corrosion resistance, widely used in highway bridges, railway bridges, high-rise buildings, precast concrete components, slope support, foundation pit anchoring, water conservancy and hydropower projects.
Product Types
1. Standard PC Steel Strand (Uncoated / Bright)
2. Galvanized Steel Strand
3. Unbonded Steel Strand (Coated with anti-corrosion grease + PE sheath)
4. Low Relaxation Prestressed Steel Strand
Specifications
- Nominal Diameter: 12.7mm, 15.2mm, 15.7mm, 17.8mm, 21.6mm
- Structure: 1×7 structure (1 central wire + 6 outer wires)
- Standards: GB/T 5224, ASTM A416, BS 5896, EN 10138
Technical Parameters
- Tensile Strength: 1860MPa (also available 1770MPa, 1960MPa)
- Yield Strength: ≥ 0.85 × Tensile Strength
- Elongation: ≥ 3.5%
- Relaxation: Low Relaxation ≤ 2.5% @1000h
- Surface Treatment: Bright, galvanized, oil-coated, sheathed
Features
1. High Strength & Durability: Reduces component size and saves steel and concrete.
2. Low Relaxation: Minimizes long-term stress loss and improves structural stability.
3. Excellent Workability: Easy to install, thread and tension on site.
4. Strong Corrosion Resistance: Available in galvanized, oil-filled and PE-coated versions.
5. Stable Quality: Uniform pitch, smooth surface and consistent performance.
Applications
- Bridge and viaduct prestressed projects
- High-rise buildings, large-span factories and precast structures
- Dams, tunnels, slope protection and foundation pit anchoring
- Mining support, cable stays and rail transit projects
Packaging & Transportation
- Standard coiled packing with steel strips
- Weight per coil: 2–5 tons (customizable)
- Waterproof woven bag packaging for sea and land transportation
Quality Assurance
- Manufactured in accordance with national and international standards
- Supply Material Test Certificate & Inspection Report
- Support third-party inspection: SGS, BV, etc.
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