Wire Rod for Pre-Stressed Steel Bar Applied standard Q/XG02---2004 ¡°Hot-Rolled wire Rod for PC Bar¡± Properties 30MnTiB features good surface quality , low inclusion content , high purity , small line segregation and fluctuation , stable mechanica; properties and fine grain size etc . Application 30MnTiSiB is mainly used for the production of pre-stressed concrete bar (PC bar, also know as pre-stressed bar or tubular pile wire ) ,which is of medium class in strength among other pre-stressed steels .It features high tenacity , low slackness , good upsettting ability , material saving , and so on , which is widely used in pre-stressed structure such as concrete tubular pile ,viaduct pier , rail sleeper etc . The developed grades for PC bar by now is 30MnSiB, 30MbSi and 35Si .
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