硅钢资料

通过实验室25 kg真空感应炉冶炼和锻轧研究了0.26%～0.95%Al含量对0.5 mm 2.2%Si无取向硅钢冷轧板组织、织构和磁性能的影响。试验结果表明,0.26%～0.81%Al含量时,随钢中Al含量的增加,成品退火钢板的晶粒尺寸增加同时铁损减少;当Al含量大于0.81%时,随Al含量增加,钢板的晶粒尺寸减小,同时铁损增加。Al含量对硅钢板磁感的影响没有明显的规律。2.2%Si无取向硅钢的合适Al含量为0.48%～0.81%。 The effect of 0.26%～0.95%Al content on structure,texture and magnetic performance of 0.5 mm cold rolled sheet of 2.2%Si non-oriented silicon steel has been studied by a 25 kg vacuum induction furnace smelting,and forging -rolling in laboratory.Results show that as 0.26%～0.81%Al,with increasing Al content in steel the grain size of annealed finished sheet increases while iron loss of sheet decreases,and as Al content in steel is more than 0.81%,the grain size of sheet decreases while iron loss in... 

冷轧无取向硅钢（/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N）经890℃或940℃3 min常化的2.3 mm热轧板冷轧成0.35 mm薄板。研究了常化温度和800⁹20℃3 min退火对该钢高频（400Hz）磁性能和抗拉强度的影响。结果表明,830⁹20℃退火时高频铁损P_10/400值最低,随退火温度增加,晶粒尺寸增大,钢的抗拉强度降低;该钢的最佳热处理工艺为常化温度940℃,退火温度830℃,其抗拉强度R_m、高频铁损P_10/400和磁感应强度J₅₀分别为565 MPa,21.5 W/kg和1.69 T。 The cold-rolled non-oriented silicon steel（/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N） is cold-rolled to 0.35 mm sheet from 2.3 mm hot-rolled plate normalized at 890 ℃ or 940℃ for 3 min.The effect of normalizing temperature and annealing process at 800 ⁹20 °C for 3 min on high frequency（400 Hz） magnetic properties and tensile strength of the steel has been tested and studied.Results show that with annealing at 830 920 ℃the high frequency iron loss value P_10... 

一种薄规格带钢或者硅钢尾部卷取控制工艺，属于热连轧带钢卷取设备技术领域，解决薄规格带钢和硅钢尾部起套导致卸卷异常、卷形合格率下降的技术问题。解决方案为：在卷取厚度小于等于2.3mm的带钢或所卷取带钢的材质代码等于硅钢的材质代码的情况下，带钢尾部到达精轧F2机架时，G辊道速度V1=K1×D×ω×π/60；带钢尾部继续前行并到达精轧F6机架时，G辊道速度V2=K2×D×ω×π/60；在卷取厚度大于2.3mm的带钢且所卷取带钢的材质代码不等于硅钢的材质代码的情况下，G辊道投滞后速度的滞后率取值范围为90%~70%。本发明具有设计合理、工作效率高、产品质量好、可有效避免产品缺陷等优点。

介绍了普通取向硅钢(CGO)和高磁感取向硅钢(Hi-B)铸坯高温加热两次冷轧、一次冷轧和铸坯低温加热两次冷轧、一次冷轧法4种成熟生产工艺的主要技术参数,取向硅钢理论研究(Goss晶核和抑制剂)和生产技术现状。取向钢的发展趋势为:提高(110)[001]晶粒取向度,降低取向硅钢铁损,发展铸坯低温加热(≤1 300℃)和薄板坯连铸连轧流程生产取向硅钢工艺。 Main technology parameters of four developed process:cast bloom higher temperature heating-double cold rolling or single cold rolling,lower temperature heating-double cold rolling or single rolling process for production of common grain oriented silicon steel(CGO) and high magnetic induction grain oriented silicon steel(Hi-B),theory research on grain oriented steel(Goss nucleus and inhibitor) and present situation of process are summarized in this paper.The development trend of grain oriented si... 

对RH法(真空循环脱气法)生产的冷轧硅钢的脱硫原理及影响因素进行了分析研究。研究表明:降低顶渣中FeO、MnO的含量,提高钢液温度,增加脱硫剂的加入量并延长其循环时间有利于提高脱硫效率。 The principles of desulfurization and its influence factors of cold rolling silicon steel during RH process have been studied in this paper.The result indicated that reducing contents of FeO and MnO,rising temperature of the liquid steel,increasing quantity of desulfurizer,lengthening cycle time of desulfurzer are benefit for desulfurization. 

【作者】 胡志强； 张文康； ...

本发明公开了一种精确控制高磁感取向硅钢连铸坯Als成分的方法，本发明涉及的主要是高磁感取向硅钢生产过程的连铸工艺环节，负责将高温液态钢水浇注凝固成固态连铸坯。通过采取控制大包下渣、加入足量中间包覆盖剂、采用长水口+石墨垫圈+氩封保护浇注等方法，将精炼结束到连铸过程Als降低量稳定控制在0.0030～0.0045%范围内，稳定了二次氧化程度。通过采用本方法生产的连铸坯Als含量稳定在0.0245～0.0275%范围内，为提高取向硅钢产品的磁感和铁损性能奠定坚实的基础保障。

简述了无取向硅钢环保涂层发展背景,分析了硅钢环保涂层的特点及国内、外研究进展,提出了硅钢保涂层下一步的发展方向。 The back ground of environmental protection coating of non-oriented silicon steel was described in this paper.The characteristics and study progress in domestic and foreign of environmental protection coating of non-oriented silicon steel were analysised.The next development direction of environmental protection coating of non-oriented silicon steel was put forward. 

本发明涉及电力、冶金领域，尤其涉及一种轧制高牌号硅钢焊缝免冲孔的方法。一种轧制高牌号硅钢焊缝免冲孔的方法，包括如下步骤：步骤一：“一选”，步骤二：“二看”，步骤三：“三按”，步骤四：“四调整”。本发明的有益效果是：1、满足测量精度要求，符合工艺要求，为连轧机硅钢的生产提供了强大的技术保障。2、该方案采用低成本设计，运行稳定性较高，测量精度达标，如推广使用，将为使用单位节省大量设备费用，符合降本增效的原则，具有较大推广价值。

以太钢热连轧厂的硅钢为研究对象,利用凸度仪测量热轧带钢出口凸度值,采用矩阵和失效模式的分析方法了解影响带钢凸度变化的主次因素。研究结果表明:通过有效控制轧制过程中的加热温度、时间及采用合理的辊型,硅钢凸度精度提高了4.34%左右。 In this paper,we take the hot-rolled silicon steelsheet of Taigang as the research symbol,exit profile was measured by convex instrument,the primary and secondary factors that affect the strip profile were measured by using matrix and failure mode analysis methed.The results indicate that convexity accuracy has significantly improved by nearly 4.34% through the effective control of the heating temperature,heating time and the use of correct roller type in the process of hot rolling.