HRB400 Hrb 335 Steel Rebar Prestressed Construction Bar PC Concrete Iron Steel Bar

HRB400 Hrb 335 Steel Rebar Prestressed Construction Bar PC Concrete Iron Steel Bar. High Strength Grades: Available in 1080, 1230, 1270, and 1420 MPa tensile strength options. Low Relaxation: Features low relaxation rate of less than 2.5% over 1000 hours. Spiral Rib Design: Heat-treated spiral rib bar with resin anchoring structure for mine support. Multiple Standards: Complies with JIS G3137, GB/T5223.3, and KS D3505 standards. Mine Support Application: Specifically designed for mine anchor cables and support systems. Flexible Diameter Options: Diameters range from 6.1mm to 20.0mm for various construction needs. Certified Quality: Holds CCC, CE, and ISO certifications for global market compliance.