0.3 B30P095 品质优

电工钢硅钢片In addition to the types listed above, there are also some special purpose electrical steel plates, such as 0.15 and 0.20mm thick 3％ Si cold-rolled non oriented silicon steel strips and 0.025, 0.05, and 0.1mm thick 3％ Si cold-rolled oriented silicon steel strips, used for medium and high-frequency motors, transformers, and pulse transformers； 0.7mm thick 3％ Si high-strength cold-rolled non oriented silicon steel plate for relays and power switches； High strength cold-rolled electrical steel plate for new high-speed motor rotors； Low carbon electrical steel hot-rolled thick and cold-rolled plates for magnetic shielding and high-energy accelerator electromagnets such as medical magnetic resonance tomography scanners； 4.5％ to 6.5％ Si high silicon steel plates for high-frequency motors, transformers, and magnetic shielding.Generally, motors, transformers, and other electrical components are required to have high efficiency, low power consumption, small size, and light weight. Electrical steel plates are usually guaranteed to have magnetic properties based on core loss and magnetic induction strength [1] [2]. The requirements for the performance of electrical steel plates are as follows:Low core loss (PT)Iron core loss refers to the ineffective electrical energy consumed by an iron core when magnetized in an alternating magnetic field of ≥ 50Hz, abbreviated as iron loss, also known as alternating loss, and its unit is W/kg. The ineffective electrical energy consumed due to various obstacles caused by magnetic flux changes not only loses electrical energy through the heating of the iron core, but also causes temperature rise of the motor and transformer. The iron loss (PT) of electrical steel includes three parts: hysteresis loss, eddy current loss (Pe), and anomalous loss (Pa). Electrical steel plates have low iron loss, which can save a lot of electricity, prolong the operating time of motors and transformers, and simplify cooling devices. Due to the iron loss of electrical steel plates, which accounts for 2.5％ to 4.5％ of the annual electricity generation in various countries, countries always try their best to reduce iron loss in the production of electrical steel plates, and use iron loss as the most important indicator to assess the magnetic properties of products. The iron loss value of products is used as the basis for classifying product grades. Cold rolled oriented electrical steel: Cold rolled oriented electrical steel is a high-end product in the field of electrical steel. Compared with cold rolled non oriented electrical steel, its magnetism has strong directionality； It has superior high magnetic permeability and low loss characteristics in the direction of easy magnetization rolling. The iron loss of oriented steel strip in the rolling direction is only 1/3 of that in the transverse direction, and the ratio of magnetic permeability is 6:1. Application: The main purpose of cold-rolled oriented silicon steel strip is for transformer manufacturing.Full process cold rolled non oriented silicon steel coating: The surface of the full process cold rolled silicon steel is coated with a semi transparent insulation coating, which has different codes in different standards. Taking Baosteel‘s Q/BQB 480 2014 as an example:

电工钢硅钢片宝钢新能源汽车驱动电机用无取向电工钢EVI：宝钢为新能源汽车驱动电机用户提供从设计选材到产品量产的技术支持 电机设计选材支持，实现卓越的性能和成本控制； 铁芯用材和结构优化，实现性能或技术降本；铁芯加工制造支持，实现材料与装备 匹配； 新产品、泰州靖江当地新技术的应用，新能源汽车的竞争力。新能源汽车驱动电机用无取向电工钢产品体系：永磁同步电机是新能源汽车发展主流趋势，具有率、泰州靖江当地高转矩、泰州靖江当地高性以及小体积等优点。宝钢产品具有低铁损、泰州靖江当地高磁感和高强度的特点，满足各类电机设计和制造需求。普通系列：具有低铁损、泰州靖江当地高强度特点； 系列：具有低铁损、泰州靖江当地高磁感特点；高强度系列：磁感、泰州靖江当地铁损、泰州靖江当地强度三者综合性能优异； 高磁感系列：更高的磁感，满足高转矩、泰州靖江当地电机小型化的需求； 高强度系列：高强度，应用于高转速或超高转速转子。公称厚度为 0.15mm、泰州靖江当地0.20mm、泰州靖江当地0.25mm、泰州靖江当地0.27mm、泰州靖江当地0.30mm 和0.35mm 全工艺冷轧中频无取向电工钢带的术语和定义、泰州靖江当地分类和代号、泰州靖江当地一般要求、泰州靖江技术要求、泰州靖江检验和试验、泰州靖江包装、泰州靖江标志及检验文件等要求。本文件适用于宝山钢铁股份有限公司生产的、泰州靖江用于频率在