→ISO 15630-3 Steel for the reinforcement and prestressing of concrete-Test methods--Part 3:oţel pentru precomprimare
→ISO6934-3 Steel for prestressing of concrete-Part3:Quenched and tempered wire
→ISO 6934-4 Steel for prestressing of concrete-Part4:șuviță
→ISO 14655 Epoxy-coated strand for the prestressing of concrete
→EN 10391 Metallic materials-Tensile stress relaxation-Part1:Test procedure
→ASTM E328-2013 Standard Test Methods for Stress Relaxation Tests for Materials and Structures
→ASTM A416/A416M-2012a Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete
→ASTM E328-2008
→ASTM A882/A882M-2004 Standard Specification for Filled Epoxy-Coated Seven-Wire Prestressing Steel Strand
→BS 5896-2012 High tensile steel wire and strand for the prestressing of concrete
→JIS G3536 Steel wires and strands for prestressed concrete
→JIS G3137 Small diameter steel bars for prestressed concrete
→JIS Z2276-2012 Method of tensile stress relaxation test for metallic materials
→AS NZS 4672.2 Steel prestressing materials-Testing requirements
1000kN Stress Relaxation Testing Machine (1000 Hours)
→≥1000h 1000 hours Metallic materials Tensile stress Relaxation Test
→≥1000h 1000 hours Steel strand Relaxation Test
→≥1000h 1000 hours Steel wires and bars Relaxation Test
→1000kN Computer Control Steel strand Stress Relaxation Testing Machine(CE CUL/CSA)
→1000kN Computer Control Steel Bars Stress Relaxation Testing Machine(CE CUL/CSA)
300SR/500SR/600SR/1000SR Steel wires and bars High temperature Stress Relaxation Testing Machine(CE CUL/CSA)
300kN/500kN/600kN/1000kN Steel strand Stress Corrosion Relaxation Testing Machine(CE CUL/CSA
300kN/500kN/600kN/1000kN Steel wires and bars Stress Corrosion Relaxation Testing Machine(CE CUL/CSA)