铸钢

A kind of new harrow disk made up of as -cast bainitic steel is studied and produced to replace the 65Mn steel and the traditional manufacturing craftwork.

研制了一种新型铸态贝氏体钢农机耙片，以代替原65Mn钢及传统生产工艺。

It takes charge of the steel ingot, cast iron and vanadium dreg separately for the New Steel Vanadium Company.

攀钢提钒炼钢厂隶属于攀枝花新钢钒股份有限公司，是公司重要的生产部门之一，共有 14 个车间，分别负责新钢钒公司的钢锭、连铸坯和钒渣的生产任务。

Research on the behavior of theflow and heat transfer in the continuous casting mould by using mathematical mold playsan important role in the study of this field, which can offer basis in theory for control ofindustrial yield and mould design when the features of steel liquid flow and the distributionof the solidifying shell thickness are known.

用数值模拟的方法对连铸结晶器内钢液的流动和传热过程进行研究是近年来该学科发展的前沿领域，其重要目的是掌握结晶器内钢液流动的特点和凝固壳分布情况，为工业生产控制、结晶器设计提供可靠的理论依据。

In the process of continuous casting, the unmelted carbon granules in the mould powder were mixed into steel liquid and became inclusions.

在连铸过程中，结晶器保护渣中未熔融的碳粒子进入钢液，在铸坯内部形成夹杂，经过热轧、穿孔之后，游离碳夹杂沿轧向伸长、呈螺旋状分布，在基体材料的晶界上偏聚，造成晶粒边界的成分不均匀。

By simulation and optimization calculation Using the model, the secondary cooling system and the control patte...

应用该模型进行仿真和优化计算，获得了适应涟钢铸机生产特点的高效连铸二冷制度及二冷控制方式。

In the meanwhile the relation model of stress and strain of material thermal deformation were studied by multivariate nonlinear regression so as to provide a precise material model for the succedent rolling process simulation.

并通过试验数据的多元非线性回归建立铸态钢高温流变应力应变关系模型，为后续的铸轧过程模拟提供准确的材料模型。

Tube blank steel is produced in the special steel plant of Laigang, with 50tUHP EAF, LF refining, bloom continuous casting, semi-continuous mill short route instead of the original die cast.

莱钢特钢厂采用50tUHP电炉—LF精炼—大方坯连铸—半连轧短流程代替原模铸工艺生产20#管坯钢。

With the steelmaking-casting-direct rolling process and charging furnace at room temperature in laboratory, the influence of different charging temperature on the microstructure and properties of X70 pipeline steel were researched.

采用实验室钢坯室温装炉和炼钢－连铸－直接轧制的不同方法，研究了用钢坯室温装炉工艺和连铸连轧工艺生产X70管线钢时，不同的装炉温度对成品组织性能的影响。

The present paper analyzed the cause to the mould level fluctuation of vertical-bending type caster in casting the peritectic steel,and introduced the solution to the problem at No.

分析了直弧形铸机生产包晶钢时结晶器液面波动产生的原因并介绍了武钢第二炼钢厂采取的控制措施，包括调整一、二冷制度，采用专用保护渣，提高铸机拉坯力等。

This paper introduced X70 and X80 HRC with heavy thickness which were designed by low carbon, high niobium acicular ferrite microstructure , and developed on medium thickness slab continuous casting production line in Ansteel.

介绍了鞍钢股份有限公司采用低碳高铌针状铁素体组织设计、在中等厚度连铸坯连铸连轧生产线上研制开发特厚规格X70和X80级管线钢热轧卷板的情况。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。