... 1. stress-relieved 2. low relaxation 3. high tensile strength 4. small size & big size PC ... pre-stressed concrete Specification:Diameter: 3.0, 3.5, 4.0, 4.5, 4.8, 4.88, 4.98, 5.0, 6. ... 0, 6.25, 6.35, 6.7, 7.0, 7.5, 8.0, 9.0, 9.3 ... , 9.4, 10.0 mm Raw Material: High carbon ... relaxation 2.0% maxElongation: Lo=100/200/250mm, 4.0% minPacking: baling strip strapped, inner plastic ...