... -relieved 2. low relaxation 3. high tensile strength 4. small size & big size PC Steel Wire Description ... Specification:Diameter: 3.0, 3.5, 4.0, 4.5, 4.8, 4.88, 4.98, 5.0, 6.0, 6 ... SWRH82B Standard: ASTM A421, ASTM A648, BS5896, EN10138, NF A35-035, JIS G3536, GB/T5223Category: round plain, spiral ... relaxation 2.0% maxElongation: Lo=100/200/250mm, 4.0% minPacking: baling strip strapped, inner plastic cover ...