超细晶粒钢激光焊接接头粗晶区有较好的韧性。
The coarse grain zones of laser welded joint of super fine grain steel show good toughness.
超细晶粒钢可在降低汽车制造成本方面发挥其优势。
Ultrafine grain steel can play an important role in reducing automobile production cost.
本文简要介绍了宝钢碳锰超细晶粒钢的研制及应用。
This paper introduces the development and the application of the ultra fine grain C-Mn steel in BAO steel.
论述了超细晶粒钢的超细晶粒及高强度与高韧性良好匹配的特点。
With the features of ultrafine grain, fair matching of high strength and high toughness in the ultrafine grain steel.
晶粒度达到8级，属于细晶粒钢，其晶粒度和晶粒均匀性都大大提高。
The grain size of steel is grade of 8 and it attributes to fine grain steel. The grain size and grain uniformity are greatly improved as well.
超细晶粒钢依靠生成微米级或亚微米级的铁素体，使钢的强度和韧性大大提高。
The strength and toughness of super fine grain steels are greatly increased because of its micrometer or sub micrometer grade grain size.
简体中文标题：焊接材料。带和不带气体保护的合金钢以及细晶粒钢电弧焊用管状焊条。分类。
English Name:Welding consumables - Tubular cored electrodes for metal arc welding with and without a gas shield of non alloy and fine grain steels - Classification;
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。
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.
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。
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.
使用状态的组织为细晶粒的铁素体—珠光体，强度比普通碳素结构钢Q235高约20%～30%，耐大气腐蚀性能高20%～38%。
Using the state of the organization for the fine grain ferrite pearlite, strength than ordinary carbon structural steel Q235 about 20% ~ 30%, high atmospheric corrosion resistance of 20% ~ 38%.
研究了高强度细晶粒碳素钢焊接接头熔合区附近的显微组织及精细结构。
The microstructure and fine structure of weld fusion zone for high strength fine grain steel were studied.
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 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.
探索了在新一代钢中获得超细晶粒的方法。
The methods to obtain ultrafine grain in new generation steel were investigated.
结果表明，T8A钢经3 ~5次循环处理后，可获得均匀的超细晶粒，其力学性能明显提高。
The results show that after 3 ~ 5 cycles treatment, the ultra-fine grain is uniform, and the mechanical properties increase significantly.
研究了一种高强度马氏体时效不锈钢逆转变奥氏体再结晶规律、细化晶粒工艺及细晶组织对力学性能的影响。
Reverse austenization, grain refining and effect of grain refined structure on mechanical properties of a high strength maraging stainless steel were studied.
对马氏体细晶粒高强度钢的冲击磨损性能进行了研究。
Study on abrasive wear resistance of boronized layer eutecticumed with laser;
对马氏体细晶粒高强度钢的冲击磨损性能进行了研究。
Study on abrasive wear resistance of boronized layer eutecticumed with laser;
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