Factory Low-Relaxation Seven-Wire Steel Strand for Prestressed Concrete

Factory Low-Relaxation Seven-Wire Steel Strand for Prestressed Concrete. High Tensile Strength: Available in 1770MPa, 1860MPa, and 2000MPa grades for superior load bearing. Massive Production Capacity: 8 production lines with an annual output of 150,000 tons. Global Certification: Certified by CCC, CE, ISO, and standards from Spain, UK, Norway, etc. Customizable Specifications: Can produce any seven-wire PC strand according to customer orders. Wide Diameter Range: Offers nominal diameters from 8.0mm to 21.6mm for diverse applications. Established Exporter: Exports to 63 countries with the largest continuous export volume in China. Multiple Standard Compliance: Meets ASTMA416, BS5896, EN10138-3, GB/T5224, JISG3536, and more.