bloom

Effect of slab strain on Nb(C,N) precipitation in continuous casting process

连铸过程铸坯应变对碳氮化铌析出行为的影响

Distribution of non-metallic inclusion quantity in 304 stainless steel slab

304不锈钢连铸坯中的非金属夹杂物数量分布

Effect of cooling rate on the slab surface microstructure of microalloyed steel containing Nb and Ti

冷却速度对含铌、钛微合金钢铸坯表层组织结构的影响

Based on the investigation on the influences of horizontal continuouscasting on the structure and surface of casting billet of BZn15241.

研究了水平连铸工艺对BZn15-24-1 5铸坯组织性能和表面质量的影响,确定了该材料适宜的水平连铸工艺条件,即:铸造温度1200℃～1500℃;拉速45～50m/h;节距8～10mm;频率80～100次/min。

The temperature distribution of continuous casting billet in reheating furnace was measured under practical operation.

在工业生产条件下测量了铸坯加热温度分布,工业试验确定了加热炉经济负荷运行区,建立了推钢式加热炉铸坯加热过程的一维稳态数学模型。

The results show that the equiaxed zone ratio of the casting billet is greatly increased,with its soidification structure is obviously improved,and the momentum values of the electromagnetic forces both parallel to and perpendicular to the direction of the traveling magnetic field pulsate periodically with time.

采用三相通入不同电流的非平衡线性电磁搅拌技术进行了铸坯的静态浇铸实验 ,并对电磁搅拌过程中钢液内的电磁力各分量的瞬时值进行了理论分析·结果表明 ,当采用将电磁搅拌器的三相通入不同电流的非平衡线性电磁搅拌时 ,在钢液内所产生的电磁力是脉动的 ,其大小呈周期性变化 ,尤其是垂直于磁场运动方向上的电磁力 ,其脉动的幅度很大·由此认为 ,当采用将搅拌器的三相通入不同电流的非平衡线性电磁搅拌时 ,所产生的垂直于磁场运动方向上的脉动电磁力是提高等轴晶比率 ,改善铸坯凝固组织的一个重要原

Research on Cleanliness of 20MnSi Liquid Steel and Billet in Shuicheng Steel;

水钢20MnSi钢水和铸坯洁净度的研究

Based on electromagnetic theory, an in mold electromagnetic stirrer was built for the billet caster with the strand section of 150 mm by 210 mm.

结合工业试验 ,进行了使用工艺的优化 ,使连铸坯的等轴晶率提高到 4 7% ,铸坯质量有了大幅度提高。

The effect of electromagnetic stirring on the inner quality of the low carbon steel billet was investigated by static casting experiment.

采用低碳钢进行静态浇铸实验 ,并就电磁搅拌对铸坯内部质量的影响进行了实验研究·实验结果表明 ,电磁搅拌可明显提高铸坯凝固组织的等轴晶率 ,同时又可以改善铸坯内的成分分布状况 ,从而提高铸坯的内部质量·在合理的电磁搅拌参数和浇铸参数条件下能够得到几乎为1 0 0 %等轴晶的铸坯

Effect of Casting Slab Defect on Cold Draw Quality of SWRH82B Steel Wire Coil;

铸坯缺陷对SWRH82B钢盘条冷拔质量的影响

The internal quality of casting slab has been improved after optimization for M - EMS.

在铸坯凝固末端安装末端电磁搅拌(F-EMS),通过对末端电磁搅拌器性能参数的检测判定和冶金效果的初步测试并进行生产试验,确定了末端电磁搅拌的电磁工艺参数与搅拌方式。

With the temperature decreasing of casting slab,V starts to precipitate with TiN as nucleation core or nucleate and grow up independently.

实验结果显示,在连铸初期,TiN基本全部从钢中析出,而随着铸坯温度的降低,V开始以TiN为核心或单独形核析出,在铸坯均热后,大部分单独形核的V(C,N)趋于溶解,未溶解的则开始长大,而以TiN为核心的(Ti,V)(C,N)中的V部分溶解于钢中,V在粒子中的含量减少。

Effects of mold powder property on 12Mn2VB steel bloom surface quality;

结晶器保护渣性能对12Mn2VB钢连铸坯表面质量的影响

Based on the research,it was found that center segregation especially carbon segregation in blooms was the major prob-lem.

通过研究,发现铸坯中心偏析尤其是碳偏析为主要问题。

In order to improve the quality of round blooms,based on technical parameters of round bloom continuous caster at Ma anshan Iron and Steel Co.

为提高圆坯质量,基于马钢圆坯连铸机技术特点,采用Gleeble2000热模拟试验机研究了代表钢种圆坯高温力学性能,通过理论分析和试验研究建立了二冷工艺模型,并分析了结晶器电磁搅拌参数对铸坯质量的影响。

The article introduces the basic principle to realize the quality improvement of continuous cast slab using multipoint straightening technique and the reasonable control of strain distribution and rate;also offers the number of straightening points,radius of curvature Ri,straightening strainεi and calculation method of strain rate.

分析采用多点矫直法,合理控制应变分配及应变速率,提高连铸坯质量的基本原理。

Utilizing the methods of sample-electrolysing,metallographic observation,SEM and EPMA,the quantity,dimension,morphologies and composition of non-metallic inclusions in X70 pipeline steel cast slab were investigated.

利用大样电解、金相观测、扫描电镜(SEM)和电子探针(EPMA)等手段,对X70管线钢铸坯中夹杂物的数量、粒径、形貌及组分进行了研究。

Production practice on casting the round tube blank of steel 20 with round tube blank continuous caster

圆坯连铸机浇铸20钢铸坯的生产实践

Study on solidification of round billet horizontal continuous casting and quality of casting blank

水平连铸圆坯凝固及铸坯质量的研究

Effect of roll gap shrinkage optimization on slab quality

板坯辊缝收缩优化对铸坯质量的影响

Research on Quality Control of 45~# Steel Billet

45~#钢小方坯铸坯质量控制研究

Numerical Simulation of Mould/billet Temperature and Concentration Field in the Continuous Casting of Round Billet;

圆坯连铸结晶器/铸坯温度场与浓度场数值模拟

Experimental Study on Transient Friction Behavior Between Mould and Strand in Slab Continuous Casting

板坯连铸结晶器/铸坯瞬态摩擦行为的实验研究

The Effect of Cross Section Area of Casting Bar on the Quality of Copper Rod for Electrical Application of SCR Continuous Casting & Rolling

铸坯截面积大小对SCR连铸连轧电工用铜线坯质量的影响

Study of the Automatic Adjusting Technic of Flame Cutting Slab Cut Length System in Slab CCM

板坯连铸机二次火焰切割铸坯定尺自动无级调节技术的研究

The Relationship Between the Gap Accuracy of Fan-shaped Roll with Quality Slab in the thin Slab Caster

中薄板坯连铸机的扇形段辊缝精度与铸坯质量的关系

The sizes of slabs, the casting speeds of CCM and the cooling methods in second cooling zone are key factors which affecting the temperature of slabs out of CCM.

影响铸坯出连铸机温度的主要因素是铸坯尺寸、连铸机拉迪和冷却制度。

In this paper the on-line real-time detecting system of molder surface temperature of continuous casting is designed.

设计了连铸铸坯表面温度在线实时测量系统。

Cause of Corner Crack of Continuous Cast Billet in Laiwu Steel No.5 Continuous Casting

莱钢5号连铸机连铸坯角部裂纹成因分析

Effect of slab strain on Nb(C,N) precipitation in continuous casting process

连铸过程铸坯应变对碳氮化铌析出行为的影响

Study on Corner Sink and Vertical Cracks of CC Steel Billet

连铸坯角部凹陷及纵向裂纹的研究

breaking mill for cast iron scrap or pig-iron

废铸件或坯铁粉碎机

Continuous casting mould hydraulic vibration devices of square billet(round billet)/rectangular billet

大方坯(圆坯)/矩形坯连铸结晶器液压振动装置

Analysis on Causes of Slab Stagnating in CC and Their Improvement Measures

板坯连铸“滞坯”原因分析及改进措施

Measurement of the Solidified Shell Thickness in the Secondary Cooling Zone of Continuous Casting of Bloom

大方坯连铸二冷区凝固坯壳厚度测试