Cold worked rod or wire


A hot rolled cold worked steel rod is produced wherein the cold working has been effected in such a manner that the ratio of the ultimate tensile stress to proof stress of the rod does not decrease with ageing. The cold working is effected by twisting the rod in one direction about its axis and then twisting the rod in the opposite direction about its axis. The rod may have either a smooth or a ribbed surface and is particularly suitable, when cut to length, for use in the production of welded reinforcing mesh for concrete.




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    Publication numberPublication dateAssigneeTitle
    EP-0788847-A1August 13, 1997Alfa Acciai S.p.A.Steel rod used in the production of electrically welded mesh