電工鋼硅鋼片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

電工鋼硅鋼片寶鋼新能源汽車驅(qū)動(dòng)電機(jī)用無取向電工鋼EVI：寶鋼為新能源汽車驅(qū)動(dòng)電機(jī)用戶提供從設(shè)計(jì)選材到產(chǎn)品量產(chǎn)的技術(shù)支持 電機(jī)設(shè)計(jì)選材支持，實(shí)現(xiàn)卓越的性能和成本控制； 鐵芯用材和結(jié)構(gòu)優(yōu)化，實(shí)現(xiàn)性能或技術(shù)降本；鐵芯加工制造支持，實(shí)現(xiàn)材料與裝備 匹配； 新產(chǎn)品、河南鶴壁當(dāng)?shù)匦录夹g(shù)的應(yīng)用，新能源汽車的競爭力。新能源汽車驅(qū)動(dòng)電機(jī)用無取向電工鋼產(chǎn)品體系：永磁同步電機(jī)是新能源汽車發(fā)展主流趨勢，具有率、河南鶴壁當(dāng)?shù)馗咿D(zhuǎn)矩、河南鶴壁當(dāng)?shù)馗咝砸约靶◇w積等優(yōu)點(diǎn)。寶鋼產(chǎn)品具有低鐵損、河南鶴壁當(dāng)?shù)馗叽鸥泻透邚?qiáng)度的特點(diǎn)，滿足各類電機(jī)設(shè)計(jì)和制造需求。普通系列：具有低鐵損、河南鶴壁當(dāng)?shù)馗邚?qiáng)度特點(diǎn)； 系列：具有低鐵損、河南鶴壁當(dāng)?shù)馗叽鸥刑攸c(diǎn)；高強(qiáng)度系列：磁感、河南鶴壁當(dāng)?shù)罔F損、河南鶴壁當(dāng)?shù)貜?qiáng)度三者綜合性能優(yōu)異； 高磁感系列：更高的磁感，滿足高轉(zhuǎn)矩、河南鶴壁當(dāng)?shù)仉姍C(jī)小型化的需求； 高強(qiáng)度系列：高強(qiáng)度，應(yīng)用于高轉(zhuǎn)速或超高轉(zhuǎn)速轉(zhuǎn)子。公稱厚度為 0.15mm、河南鶴壁當(dāng)?shù)?.20mm、河南鶴壁當(dāng)?shù)?.25mm、河南鶴壁當(dāng)?shù)?.27mm、河南鶴壁當(dāng)?shù)?.30mm 和0.35mm 全工藝?yán)滠堉蓄l無取向電工鋼帶的術(shù)語和定義、河南鶴壁當(dāng)?shù)胤诸惡痛?、河南鶴壁當(dāng)?shù)匾话阋?、河南鶴壁技術(shù)要求、河南鶴壁檢驗(yàn)和試驗(yàn)、河南鶴壁包裝、河南鶴壁標(biāo)志及檢驗(yàn)文件等要求。本文件適用于寶山鋼鐵股份有限公司生產(chǎn)的、河南鶴壁用于頻率在