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The Unique Features of Reinforcing Steel Microalloyed with Nitrogen and Vanadium

机译:氮钒微合金钢的独特性能

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摘要

The chemical composition of a new vanadium-nitrogen containing steel grade (17Mn2NV) and process technology for production of At500S-class reinforcing bar, have been designed. The steel alloyed with vanadium and nitrogen possesses a uniquely high level of strength, fatigue, high ductility and notch toughness. At the same time it possesses good high temperature properties, resistance to stress-corrosion and mechanical ageing and its lower carbon level should ensure good weldability. Production and application of this reinforcing steel will enable considerable improvement in the quality, reliability and longevity of reinforced concrete structures, used in extreme Arctic and seismic regions and will ensure considerable lowering of cost.
机译:设计了一种新的含钒氮钢级(17Mn2NV)的化学成分和生产At500S级钢筋的工艺技术。与钒和氮合金化的钢具有独特的高强度,疲劳性,高延展性和缺口韧性。同时,它具有良好的高温性能,耐应力腐蚀和机械老化的特性,并且其较低的碳含量应确保良好的可焊接性。这种增强钢的生产和应用将大大改善北极极端地区和地震地区使用的钢筋混凝土结构的质量,可靠性和使用寿命,并确保降低成本。

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