...硬线钢； 半钢炼钢； 低氮增碳剂； 炉精炼 LF 中图分类号： 号 TF762 文献标识码： A 文章编号： 1004-4620 （2010） 02-0024-04 [gap=7814]Key words: hard wire steel; steelmaking with semi-steel; low nitrogen carburant; LF furnace refining ..
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The amount, size and distribution of non-metallic inclusion in different positions of hard wire steel with different diameters were investigated by optical microanalysis.
采用光学显微分析法在不同直径硬线钢的不同部位，分析了非金属夹杂物的数量、大小和分布特征。
Higher content of nitrogen is benefit for increasing strength and toughness for V-N micro-alloyed hard wire rods steel.
较高的氮含量有利于提高硬线钢钒氮微合金化的强韧化效果。
New talent needs: to hard-working, there is a certain degree of professional ethics, and familiar with the operation of galvanized steel wire and strand personnel.
最新人才需求：能吃苦耐劳，有一定的职业道德，熟悉相关镀锌钢丝和钢绞线的操作的人员。
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