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鹿程国际贸易(陕西省分公司)应对全球化的经济发展，以先进的管理理念，及时的信息，努力为 汽车车轮用钢客户提供便捷，有效的资源。公司发扬以优质的服务为目标，靠诚实守信获双赢的经营理念，坚持以人为本的企业文化，推崇“尊重个人，服务客户，追求卓越”的原则，凭借创新领导管理层，稳定的员工队伍，完善的管理制度，与快速发展的企业信息化建设，与客户建立长期的合作关系。
电工钢硅钢片本文件规定了公称厚度为 0.18mm、陕西本地0.20mm、陕西本地0.23mm、陕西本地0.27mm、陕西本地0.30mm 和 0.35mm 全工艺冷轧取向电工钢带的定义、陕西本地分类和代号、陕西本地尺寸、陕西本地外形、陕西本地重量、陕西本地磁性能、陕西本地检验和试验、陕西本地包装、陕西本地标志及质量证明书等要求。本文件适用于宝山钢铁股份有限公司生产的以终退火状态交货的全工艺冷轧取向电工钢带（以下简称产品）。2 规范性引用文件下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其 版本（包括所有的修改单）适用于本文件。GB/T 228.1 金属材料拉伸试验 部分：室温实验法GB/T 247 钢板和钢带包装、陕西本地标志及质量证明书的一般规定GB/T 2521.2 全工艺冷轧电工钢 第 2 部分:晶粒取向钢带(片)GB/T 2522 电工钢片（带）表面绝缘电阻、陕西本地涂层附着性测试方法GB/T 2900.60 电工术语 电磁学GB/T 3655 用爱泼斯坦方圈测量电工钢片(带)磁性能的方法GB/T 4340.1 金属材料维氏硬度试验 部分：试验方法GB/T 8170 数值修约规则与极限数值的表示和判定GB/T 9637 电工术语磁性 材料与元件GB/T 13789 用单片测试仪测量电工钢片(带)磁性能测量方法GB/T 17505 钢及钢产品 交货一般技术要求GB/T 18253 钢及钢产品检验文件的类型GB/T 19289 电工钢片（带）的密度、陕西本地电阻率和叠装系数的测量方法YB/T 4292 电工钢带（片）几何特性测试方法Q/BQB 400 冷轧产品的包装、陕西本地标志及检验文件IEC 60404-8-7Magnetic materialsSpecifications for individual materials – Cold-rolled grain-orientedelectrical steel strip and sheet delivered in the fully-processed stateIEC/TR 62581-2010 Methods of measurement of the magnetostriction characteristics by meansof single sheet and Epstein test specimens3 术语和定义GB/T 2521.2、陕西本地GB/T 2900.60、陕西本地GB/T 9637 和 YB/T 4292 界定的以及下列术语适用于本文件。
鹿程国际贸易(陕西省分公司)
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
