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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