Product Name: Prestressed Wire of 4.8mm 7mm for Electric Poles Model NO.: 4.80mm Standard: BS, JIS, GB, ASTM, AISI Alloy or Not: Non-alloy Application: Manufacturing Technique: Drawn Wire Surface: Spiral Certification: ISO Brand Name: Daqiang Strandard: Astma 421, BS5896, Jisg3536 Size: 5mm, 7mm, 4.8mm Strength: 1470, 1570, 1670, 1860 Coil Weight: 0.4-2.0 Ton / Coil Delivery Time: 7-15 Days Later Port of Loading: Xingang, China Weight Tolerance: 5% of Total Amount Payment: T/T, L/C Trademark: DaQiang Transport Package: Export Packing Specification: GB, ASTM, DIN, BS, JISG Origin: Tianjin, China (Mainland ) Product Description Prestressed Wire of 4.8mm 7mm for Electric PolesDescription: Steel wire for pre-stressed concrete, pre-stressing steel wire, high carbon steel wire for pre-tensioning, high tensile low relaxation steel wire, stress-relieved steel wireDiameter: 3.2mm 3.6mm, 4.0mm, 4.8mm, 5.0mm, 6.0mm, 7.0mm, 7.5mm, 8.0mm, 9.0mm, 9.3mmRaw Material: High carbon steel wire rod SWRH77B, SWRH82B and other grade.Standard: ASTMA421, AS/NZS4672, BS5896, EN10138-2, GB/T5223, JISG3536, NBR7482Surface: Plain/smooth, spiral/helical ribs, indentTensile Strength: 1570Mpa, 1670Mpa, 1770Mpa etcRelaxation on 1000 hours: 2.0% maxElongation at breakage: 4.0% minExport Packing: Baling strip, inside plastic cover, outside PP packing clothPackage Weight: 800kg-1600kgApplication: Cement electricity poles, railway sleeper, subway track board, concrete piles, beams, girders, slabs, hollow floor board, double-T board, PHC, PPCP.The specifications and technical parametersNominal Dia (dn/mm)ToleranceTensile Strength σ b/MPA Not less thanYield Stength(σ p0.2/MPA)Not less thanElongation at max load(Lo=200mm)δ gt/%Not less thanBending TimesNot less thanBending RadiusR/mmRelaxation PripertiesThe relaxation at 1000h(initial load to 70% of nominal tensile strength ) (r%) Not more than4.8± 0.0514701570167017701860129013801470156016403.54152.05.06.0± 0.05147015701670177012901380147015604156.257.0208.0± 0.0614701570129013804209.025