... . stress-relieved 2. low relaxation 3. high tensile strength 4. small size & big size PC Steel Wire Description:Stress ... concrete Specification:Diameter: 3.0, 3.5, 4.0, 4.5, 4.8, 4.88, 4.98, 5.0, 6.0, 6.25, ... 1000hour relaxation 2.0% maxElongation: Lo=100/200/250mm, 4.0% minPacking: baling strip strapped, inner plastic cover, outer ... FOB CFR CIF Payment Terms: T/T and L/C 4.0mm Plain PC Wire BS5896:1980