With the deeper knowledge of ultra fine grain steel, the process of refinement has became one of the main methods to increase mechanical properties of steel availably nowadays.
随着对超细晶粒钢性能了解的逐渐深入，组织细化技术已经成为当今钢铁行业有效提高钢铁机械性能的重要方法之一。
Ultra steel is characterized by its higher cleanness and ultra-fine grain, thus it has higher strength, toughness and longer life even without addition of more alloying elements.
超级钢的主要特征是高洁净度和超细晶粒组织，在不增加任何合金元素的情况下，其强度、韧性和使用寿命提高一倍。
Ultra fine microstructure could increase strength, toughness and work life for steel products, this is developing trend since middle of 90 th in last century of the world.
采用组织超细化提高钢铁结构材料的强韧性和使用寿命是上个世纪90年代中期以来的发展趋势。
In this paper, the grain growth in the HAZ of three kinds of ultra - fine grain steels such as low carbon steel, commercial X65 steel and high purity X65 steel were evaluated.
研究了低碳钢、普通市售x65钢和高洁净度X65钢三种超细晶粒钢焊接haz的晶粒长大倾向。
The main reason for strength increase of V microalloyed steel is ultra-fine microstructure in TSCR process.
组织超细化是导致薄板坯连铸连轧流程V微合金钢强度提高的主要原因。
This paper introduces the development and the application of the ultra fine grain C-Mn steel in BAO steel.
本文简要介绍了宝钢碳锰超细晶粒钢的研制及应用。
The simulations of austenite grain growth in HAZ of ultra-fine grain steel make foundation for future research work.
本文的研究结果将有助于新一代钢铁材料焊接HAZ组织模拟的进一步研究。
Material: imported ultra-fine particle tungsten steel, applies to medium carbon steel with rigidity HR200-HB300R, aggregate, stone and image RBI.
材质：超微粒钨钢，用于硬度在HR200-HB300R的中碳钢，铸铁的细线加工用于加工骨料，石料，以及影象打点。
The key technique of hot rolling low carbon ultra-fine grained steel strip consists in controlled rolling and controlled cooling.
细晶粒低碳钢生产的关键技术在于控轧控冷。
The excellent properties of this steel are resulted from ultra-low carbon acicular ferrite with interaction of very fine precipitated particles and high-den…
其优良的性能得益于具有与细小析出相交互作用的高密度位错的超低碳针状铁素体组织。
Ultra-fine spheroidizing pretreatment technology was applied to the 1.41%C hot-rolling ultra-high carbon steel. Then the second quenching was carried out at different temperature.
超高碳钢控轧后进行超细球化预处理，并在不同的温度下进行二次淬火。
Employing ultra-fine granular tungsten steel, this product features with high hardness, keenness and long life, etc.
本产品采用超细颗粒钨钢材料，具有硬度高，刀刃锋利，使用寿命长等特点。
The excellent properties of this steel are resulted from ultra-low carbon acicular ferrite with interaction of very fine preci…
其优良的性能得益于具有与细小析出相交互作用的高密度位错的超低碳针状铁素体组织。
The invention discloses a method for preparing high-strength and high-plasticity ultra-fine grained ferrite and nano-carbide low-carbon steel.
本发明公开一种高强度高塑性超细晶铁素体和纳米碳化物低碳钢制备方法。
The invention discloses a method for preparing high-strength and high-plasticity ultra-fine grained ferrite and nano-carbide low-carbon steel.
本发明公开一种高强度高塑性超细晶铁素体和纳米碳化物低碳钢制备方法。
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