【摘 要】
：
唐钢二钢轧厂开发成功预应力钢丝及钢绞线用钢新品种77B,共轧制8炉,总计392吨。经检验,盘条化学成分、尺寸、性能等各项指标全部符合用户合同要求。此品种钢的开发成功,填补
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唐钢二钢轧厂开发成功预应力钢丝及钢绞线用钢新品种77B,共轧制8炉,总计392吨。经检验,盘条化学成分、尺寸、性能等各项指标全部符合用户合同要求。此品种钢的开发成功,填补了唐钢在线材高端产品的一项空白,扩大了唐钢硬线市场份额。77B是高碳钢品种系列,具有良好的高抗拉强度
Tanggang Iron and Steel rolling mill to develop two types of prestressed steel wire and steel strand 77B, a total of 8 furnaces, a total of 392 tons. After testing, wire rod chemical composition, size, performance and other indicators all meet the user contract requirements. The success of the development of this variety of steel to fill a high-end products in the wire Tangang a blank, expanding the market share of hard-line Tangshan Iron and Steel. 77B is a high-carbon steel variety series with good high tensile strength
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