China Factory Low-Relaxation Spiral Rib Steel Wire for The Prestressing of Concrete

China Factory Low-Relaxation Spiral Rib Steel Wire for The Prestressing of Concrete. Spiral Rib Design: 3 to 6 spiral ribs increase bond ability with concrete for better performance. Wide Diameter Range: Available in diameters from 3.8mm to 12.0mm for various applications. High Tensile Strength: Strength levels from 1470MPa to 1860MPa meet diverse engineering needs. International Standards: Complies with ASTM, EN, JIS, BS, and GB/T standards for global use. Anti-Corrosion Technology: Advanced internal stress relief meets Germany, USA, and France requirements. OEM/ODM Capability: Customer-oriented service with flexible customization options available. Fast Delivery: Consistent one-month lead time for both peak and off-peak seasons.