...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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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。
Higher content of nitrogen is benefit for increasing strength and toughness for V-N micro-alloyed hard wire rods steel.
连铸优质硬线钢小方坯时，铸坯夹渣、水口堵塞等问题影响质量和生产。
The high carbon grade billet cast with continuous caster was influenced by billet inclusion, clogging of the nozzle etc.
研究认为钒氮微合金化硬线钢主要通过细晶强化和沉淀析出强化，从而提高钢材的强韧件。
It is considered that the V-N micro-alloy high carbon wire rods obtain the high strength and toughness mainly due to grain refining and precipitation strengthening.
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