硅钢资料

本实用新型公开了一种新型嵌线结构的硅钢片组件，包括硅钢片组和骨架，硅钢片组由若干相同形状的硅钢片堆叠而成，硅钢片为倒U型的薄片体，骨架由一限位框架和两固定杆组成，限位框架由一矩形框架和位于矩形框架四角的限位凸块组成，硅钢片组卡设在矩形框架上，限位凸块对硅钢片组进行限位，两固定杆平行设置在硅钢片组的上方，且固定杆的两末端分别与限位凸块相固定。本实用新型具有装配简单、不易变形的优点。

试验研究了0.3 mm取向硅钢冷轧板(/%:0.046C,3.07Si,0.09Mn,0.029P,0.004S,0.005A1)的退火温度(760~880℃7 min)和退火时间(820℃3~9 min)对该钢的晶粒尺寸,再结晶和织构的影响。结果表明,最佳初次再结晶退火工艺为820℃5 min,该钢的平均晶粒尺寸为14.20μm,完全再结晶率为92%,不利{111}<110>结构含量为3.16%,有利织构{111}<112>,{012}<001>和高斯织构含量分别0.40%,4.73%和2.46%。 The effect of annealing temperature(at 760 ~ 880 X.for 7 min) and time(at 820℃ for 3~9 min) on grain size,recrystallization rate and texture of 0.3 mm cold-rolled sheet of oriented silicon steel(/%:0.046C,3.07Si,0.09Mn,0.029P,0.004S,0.005Al) has been tested and studied.Results show that with optimum recrystallized annealing at 820℃ for 5 min,the silicon steel average grain size is 14.20 fun,the complete recrystaUization rate is 92%,the unfavourable-texture {111}< 110 > content in steel is ... 

通过对连退线SF炉内的电加热体的焊接技术进行总结分析,得出焊接时应采用的主要方法,采用本焊接方法可提高电加热体的焊接速度和焊接质量,保证了焊接质量和施工工期。 SF furnace for continuous annealing line heating body welding technology summary,the main method used in welding,welding method by using the electric heater to improve the welding speed and welding quality through the implementation of this method to ensure the welding quality and Construction period. 

选用Q235和Q345钢,在纯锌浴和含钛量分别为0.05%、0.10%、0.15%、0.20%(质量分数)的合金浴中浸镀0.5、1、3、5、8 min。利用扫描电子显微镜和能谱仪研究了钛对热浸镀锌组织和生长动力学的影响,并提出钛对含硅钢铁锌反应抑制作用的机理。结果表明:钛的加入缩短了Γ的孕育期,促进了合金层中δ的生长和ζ的消失,δ的生长依然受扩散控制,呈抛物线生长规律;Zn-0.05%Ti锌浴可以很好的抑制高硅钢的硅反应性;含硅钢热浸镀锌钛合金浴时,在锌浴中会形成锌铁钛三元T相,该相能吸收ζ晶界处富集的硅,从而抑制了铁锌反应。 Both Q235 and Q345 steels were immersed for 0.5 to 8 min in Zn bath with different amount of Ti,ranging from 0 to 0.20 mass%,for galvanization.The effect of Ti in Zn bath on microstructure and growth kinetics of hot-dip galvanizing coatings on the two steels were investigated by means of SEM and EDS analysis.Base on the experiment,the mechanism of Ti additions in controlling Fe-Zn reaction was proposed.The results show that addition of Ti in the zinc bath decreases the incubation time of Γ phase... 

含铜抑制剂作为取向硅钢的主抑制剂或辅助抑制剂不仅可以抑制初次晶粒的长大,促进二次再结晶,还可以降低铸坯的加热温度。取向硅钢中主要抑制剂为10～50 nm Cu₂S,在钢的铸坯、热轧、冷轧、脱碳等工艺过程均可析出;（Cu,Mn）_1.8S、Cu_1.8S、ε-Cu等主要作为辅助抑制剂,尺寸一般为30～50 nm（或大于50 nm）,主要在热轧阶段析出。总结了国内外有关取向硅钢中含铜抑制剂析出行为的研究进展,当前主要研究不同生产流程和工序中含铜抑制剂的析出行为和作用机理。 As main inhibitor or auxiliary inhibitor for grain-oriented silicon steel,the particles of inhibitor bearing copper not only inhibit the primary crystal growing and promote the secondary recrystallization,but also decrease the heat temperature of casting slab.The main inhibitor for grain-oriented silicon steel is 10～50 nm Cu₂S,which precipitate in process and procedure including steel casting slab,hot rolling,cold rolling and decarburizing process,while the 30～50 nm or more than 50 nm... 

本发明公开了一种高效无取向电工钢的制备方法,属于电工钢技术领域，具体步骤包括:开卷→焊接→清洗→连续退火脱碳→冷却→涂层→绝缘涂层干燥→绝缘涂层烧结→空冷→表面质量检查→分卷包装。本发明使产品的铁损为3.08w/kg，磁感为1.711T，达到了高效无取向电工钢的产品要求，并通过稳定生产，其铁损稳定在3.1w/kg，磁感稳定在1.71T，完全能达到产品需求。

采用铸坯低倍组织检验和化学分析的方法,研究板坯连铸机二冷区电磁搅拌器电流和频率参数对无取向电工钢XG800WR板坯中心偏析和等轴晶率的影响,结果表明:铸坯等轴晶率随着搅拌器电流强度和电流频率的增大而增加。采用二冷区电磁搅拌可减小中心易偏析元素S的偏析,试验得出:减小铸坯S偏析效果最好的电磁搅拌参数为电流380～400A,频率6Hz。 The effect of electromagnetic stirring current and frequency parameter at secondary cooling area on the central segregation and equiaxed crystal ratio of XG800WR non - oriented electrical steels slab was investigated through the methods of chemical and macrostructure analysis.The results shows that the rate of equiaxed crystal zone is going up with increasing of current intensity and current frequency.Electromagnetic stirring in the secondary cooling area can be easily reduced segregation caused... 

本发明公开了一种降低无取向硅钢W800头部窄尺的控制方法，步骤1、筛选板坯长度，并使板坯进入加热炉后头部均朝向轧机方向；步骤2、控制板坯头部温差小于10℃；步骤3、固定粗轧到精轧区间内的轧机机架轧制速度；步骤4、固定相变机架，使板坯的奥氏体‑铁素体相变发生在F2和F3机架中；步骤5、调整精轧机架间的负荷分配，降低F2和F3机架的压下量；步骤6、调整活套张力，降低F2和F3机架的活套单位张力补偿；步骤7、降低模型AGC增益，降低F2和F3机架的AGC补偿的辊缝波动量。本发明通过控制固定相变机架、优化相变机架的负荷分配、AGC补偿系数、活套张力等，使秒流量保持平衡，减少无取向硅钢W800头部窄尺。

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... 

本实用新型提供了一种硅钢叠铁芯线圈吊装夹具，属于变压器的技术领域，缓解了现有技术中存在的线圈吊装夹具单次只能进行单个垫块装配，效率较低的技术问题。所述夹具包括：中心盘、吊环、连接杆、吊臂、勾具；连接杆一端连接中心盘，所述连接杆的数量为3个，且两两之间的夹角为120°；所述吊环设置于中心盘上方；每个所述连接杆另一端连接一个吊臂；每个吊臂上设置有勾具。

本发明公开了一种控制无取向硅钢边部黑线的生产方法，涉及硅钢轧制工艺领域。本发明提供的方法缩小加热区的装钢间距，降低粗轧冷却水量，并减小R1第一道次侧压量，增大R2末道次立辊侧压量，调整精轧区侧导板和卷取区侧导板的开口度，减少或消无取向硅钢边部黑线。本发明提供的生产方法控制了热轧卷边部翘皮黑线问题，将热轧卷出现边部黑线的概率由之前的60%以上降低至现在的3%以下，热轧及冷轧卷的表面质量得到了明显提升，酸洗裁剪量减小，成材率明显提升，冷轧过程的轧制稳定性也明显提升。

针对攀枝花钢钒有限公司难以稳定生产w(S)≤0.006%高级别电工钢的问题,通过开发RH脱硫剂、钢包渣改性及工艺参数控制,形成了RH脱硫系统工艺技术。经工业试验表明,采用该工艺技术后,钢水脱硫率最高达到42%,成品w(S)控制在0.005%以下,全氧、氮含量也得到了较好的控制,且脱硫剂没有引起钢水增碳,满足高级别电工钢的生产要求。 In light of the difficulty of production of high level electrical steel w(S)≤0.006 % steadily in Panzhihua steel & vanadium Co.,Ltd.the process technology of RH desulfurization system has been formed by developing the RH desulfurizer,modifying the ladle slag and controlling the process parameters.Industrial experiments show that the desulfurization rate of hot metal rises to 42 % and the w(S) of the finished products is controlled in below 0.005 % and total oxygen and nitrogen contents are a...