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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、浙江舟山当地新技术的应用，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、浙江舟山当地高转矩、浙江舟山当地高性以及小体积等优点。宝钢产品具有低铁损、浙江舟山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、浙江舟山当地高强度特点； 系列：具有低铁损、浙江舟山当地高磁感特点；高强度系列：磁感、浙江舟山当地铁损、浙江舟山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、浙江舟山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、浙江舟山当地0.20mm、浙江舟山当地0.25mm、浙江舟山当地0.27mm、浙江舟山当地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、浙江舟山当地分类和代号、浙江舟山当地一般要求、浙江舟山技术要求、浙江舟山检验和试验、浙江舟山包装、浙江舟山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、浙江舟山用于频率在
鹿程国际贸易有限公司作为中国【浙江舟山新能源电工钢】市场的企业，“本着“服务至上，拒绝假货，打造品牌”的经营理念,坚持以“技术”做为企业竞争力，以“服务”作为企业的生命力。不断从国内外各界引进【浙江舟山新能源电工钢】相关的新技术和新产品，不断的寻求和优化【浙江舟山新能源电工钢】解决方案。追求更完美的组合。帮助客户和合作伙伴取的更卓越的成功。
电工钢硅钢片硅钢是一种硅铁合金。用硅钢轧制的片材是电工领域中应用广的软磁材料，因而硅钢片又称电工钢片。硅钢片广泛用于电动机、发电机、变压器、扼流圈、电磁机构、继电器及测量仪表中电机工业大量使用厚度为0.35～0.50mm的硅钢片,用于：中型旋转机，压缩电机，通用马达，小型精密电机，电动汽车，压缩机，通用电机，电源变压器，精密变压器，节能电机，焊机变压器，稳压器，磁性密封器，加速器用电磁铁，汽车电机等；在电信高频技术中常用0.05~0.20mm的薄带钢片,以便更有效地降低涡流损耗。热轧硅钢片厚度为0.35～0.50mm，密度为7.55～7.70g/cm3,多用于大、中、小型交、直流电动机；冷轧无取向硅钢片厚度为0.35～0.50mm，密度为7.65～7.75g/cm3，多用于大型交流发电机、电动机，大、中、小型交、直流电动机；冷轧取向硅钢片厚度为0.23mm 0.27mm 0.3mm 0.35mm，密度为7.65g/cm3,多用于电力变压器、油浸式变压器，干式变压器，电抗器、磁放大器等；冷轧取向薄带厚度为0.05～0.20mm，多用于无线电高频变压器。
电工钢硅钢片Electrical steel, also known as silicon steel sheet, is an indispensable metal material in the power, electronics, and military industries, and is also the largest functional material in production. It is mainly used as the iron core for various motors, generators, and transformers. Specific total loss (iron loss) is the total power consumed per unit mass of material when the magnetic polarization waveform remains sinusoidal, with a specific peak and frequency. The specific total loss is represented by the symbol P (Jm/f), in W/kg. Example: P1.5/50 represents the specific total loss at a maximum magnetic polarization intensity of 1.5T and a frequency of 50Hz. 3.2 Magnetic Polarization Q/BQB 480-20212 Magnetic polarization intensity refers to the peak magnetic polarization intensity of a specific magnetic field intensity when a sample is subjected to alternating magnetization. Its symbol is J (H), and the unit is T (Tesla). Example: J5000 represents the peak magnetic polarization intensity corresponding to a magnetic field intensity peak of 5000A/m. The material grades in this document are classified based on the nominal maximum specific total loss P1.5/50 (W/kg) at a magnetic polarization strength of 1.5T and a frequency of 50Hz, as well as the nominal thickness of the material. They are further divided into three categories based on product characteristics: ordinary type, stress relief annealing type, and high-efficiency type. Example 1: B35A210 represents a common non oriented electrical steel with a nominal thickness of 0.35mm, and the maximum nominal specific total loss value P1.5/50 is 2.10W/kg； Example 2: B35AR300 represents a stress relieved annealed non oriented electrical steel with a nominal thickness of 0.35mm, and the maximum nominal specific total loss value P1.5/50 is 3.00W/kg； Example 3: B35AH230 represents an efficient non oriented electrical steel with a nominal thickness of 0.35mm, and the maximum nominal specific loss value P1.5/50 is 2.30W/kg. Example 4: 35WW210 represents a normal type WW non oriented electrical steel with a nominal thickness of 0.35mm, and the maximum nominal specific loss value P1.5/50 is 2.10W/kg. Example 5: 35WH230 represents an efficient WH non oriented electrical steel with a nominal thickness of 0.35mm, and the maximum nominal specific loss value P1.5/50 is 2.30W/kg. The classification and code of insulation coatings shall comply with the provisions of Table 2. Table 2 Classification and Code of Insulation Coatings Type Code Characteristics of Insulation Coatings Semi organic Thin Coating A Improves Punching Performance and Has Good Weldability Semi organic Thick Coating H has Good Punching Performance and High Interlayer Resistance Semi organic Chromium Free Thin Coating K does not contain chromium and has good weldability Semi organic Chromium Free Thick Coating M does not contain chromium and has good insulation performance Semi organic Chromium Free Extreme Thick Coating J does not contain chromium and has excellent insulation performance Semi organic Chromium Free Ultra Thick Coating L does not contain chromium and has extremely high insulation performance Self adhesive Coating
电工钢硅钢片绝缘涂层特性7.2.1 绝缘涂层状态产品通常以两面涂敷绝缘涂层状态交货，涂层种类见表 2。绝缘涂层应可耐受绝缘漆、浙江舟山当地变压器油、浙江舟山附近机械油等介质的侵蚀。本文件规定的绝缘涂层与国内外相关技术规范规定绝缘涂层的近似对照可参见附录 A(资料性附录)，无取向电工钢绝缘涂层的特性见附录 B(资料性附录)。绝缘涂层的厚度、浙江舟山附近自粘接涂层的剥离强度等技术要求如有特殊要求应在订货时协商，并在合同中注明。7.2.2 绝缘涂层附着性根据附录 C（无取向电工钢绝缘涂层附着性检测和评级方法），产品的绝缘涂层的附着性级别按照附着性由高至低分为 A、浙江舟山附近B、浙江舟山附近C、浙江舟山附近D 四个级别。供货时，产品涂层的附着性级别 应达到C 级。在剪切过程和供方规定的热处理条件下进行热处理时，涂层不得有大面积脱落，但是在剪切边缘位置，涂层的轻微碎裂则允许存在。7.2.3 涂层绝缘电阻涂层绝缘电阻分为表面绝缘电阻和层间电阻，表面绝缘电阻单位为Ω·cm2/面，层间电阻单位为Ω·cm2/片，理论上，层间电阻是表面绝缘电阻的 2 倍。根据需方要求，经供需双方协商，可进行涂层绝缘电阻的检测，并在合同中注明涂层表面绝缘电阻或层间电阻的小值