50W470 0.5*1200售后无忧

电工钢硅钢片宝钢可以提供从变压器铁心设计材料选择到变压器制造，包括：核心设计中的材料选择，以控制性能和成本；从成本和性能角度优化钢材和结构；为核心制造提供技术支持，以确保 性能；新产品和新技术，提高变压器产品的竞争力。工作经验：40多年前从事晶粒取向电工钢，具有完整的研发、浙江绍兴本地制造和应用能力产品：产品种类繁多，包括对流、浙江绍兴本地高磁导率、浙江绍兴本地畴细化、浙江绍兴本地低磁致伸缩和无铬酸盐涂层晶粒取向电工钢等级：铁损P1.7/50低于0.55W/kg的 级能力：中国有史以来 家开发出具有制造100％优质晶粒取向电工钢。晶粒取向电工钢产量居世界 。宝钢不断更新和改进性能变压器用产品数据库，为自定义ers提供一系列来自机械性能的全套数据和基本磁性能下的特殊性质工作条件根据不同的要求，

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:

电工钢硅钢片绝缘涂层取向电工钢产品表面均涂以一层无机绝缘涂层，该涂层具有优异的涂层特性：层间电阻高—层间电阻高，确保良好的层间绝缘性。冲片性能优—涂层与底层紧密结合，具有良好的附着性，可防止加工时涂层脱落。 叠片系数高—表面涂层均匀且薄，具有优异的叠片性能。耐热性能好—涂层能承受800℃退火，且不被损坏。耐蚀性能好—涂层与冷却油、浙江绍兴同城绝缘油、浙江绍兴同城机械油及氟里昂、浙江绍兴同城防冻油等不相容，免受侵蚀。电工钢主要分为晶粒取向电工钢和晶粒无取向电工钢两大