電工鋼硅鋼片寶鋼為新能源汽車驅(qū)動電機用戶提供從設(shè)計選材到產(chǎn)品量產(chǎn)的技術(shù)支持● 電機設(shè)計選材支持，實現(xiàn)卓越的性能和成本控制；● 鐵芯用材和結(jié)構(gòu)優(yōu)化，實現(xiàn)性能或技術(shù)降本；● 鐵芯加工制造支持，實現(xiàn)材料與裝備 匹配；● 新產(chǎn)品、河北保定當?shù)匦录夹g(shù)的應(yīng)用，新能源汽車的競爭力。永磁同步電機是新能源汽車發(fā)展主流趨勢，具有率、河北保定當?shù)馗咿D(zhuǎn)矩、河北保定當?shù)馗咝砸约靶◇w積等優(yōu)點。 寶鋼產(chǎn)品具有低鐵損、河北保定當?shù)馗叽鸥泻透邚姸鹊奶攸c，滿足各類電機設(shè)計和制造需求。● 普通系列：具有低鐵損、河北保定當?shù)馗邚姸忍攸c；● 系列：具有低鐵損、河北保定同城高磁感特點；● 高強度系列：磁感、河北保定同城鐵損、河北保定同城強度三者綜合性能優(yōu)異；● 高磁感系列：更高的磁感，滿足高轉(zhuǎn)矩、河北保定同城電機小型化的需求；● 高強度系列：高強度，應(yīng)用于高轉(zhuǎn)速或超高轉(zhuǎn)速轉(zhuǎn)子。

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