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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5 剪切適應性鋼帶應便于進行剪切或沖壓 ,以保證在任何位置將鋼帶剪切成通常的形狀。7 技術要求7.1 磁性能在 6.3 條件下提供的產品的磁性能應符合表 3 和表 4 的規(guī)定。時效后的磁性能要求，由供需雙方在訂貨時協(xié)商，并在合同中注明。表 3 普通型 A、山西運城本地應力退火型 AR、山西運城本地型 AH 產品磁性能和技術特性類型 牌號公稱厚度mm 比總損耗名義值P1.5/50 W/kg 比總損耗P1.5/50 W/kg小磁極化強度J5000a T比總損耗各向異性T1.5/50b ％小疊裝系數(shù)小彎曲次數(shù)約定密度kg/dm3普通型B35A2000.352.00 2.00 1.62 ±170.952 7.60B35A210 2.10 2.10 1.62 ±17 2 7.60B35A230 2.30 2.28 1.64 ±17 2 7.60B35A250 2.50 2.45 1.64 ±17 2 7.60B35A270 2.70 2.65 1.64 ±17 2 7.65B35A300 3.00 2.90 1.64 ±17 3 7.65B35A360 3.60 3.20 1.65 ±17 3 7.65B35A440 4.40 3.40 1.67 ±17 3 7.70B50A2300.502.30 2.30 1.64 ±170.972 7.60B50A250 2.50 2.48 1.64 ±17 2 7.60B50A270 2.70 2.65 1.64 ±17 2 7.60B50A290 2.90 2.85 1.64 ±17 2 7.60B50A310 3.10 3.00 1.65 ±14 3 7.65B50A350 3.50 3.20 1.65 ±12 5 7.65B50A400 4.00 3.30 1.66 ±12 5 7.70B50A470 4.70 4.20 1.67 ±10 10 7.70B50A600 6.00 4.70 1.68 ±10 10 7.75B50A700 7.00 5.50 1.71 ±10 10 7.80B50A800 8.00 5.80 1.71 ±10 10 7.80B50A1000 10.00 6.00 1.74 ±8 10 7.85B50A1300 13.00 7.00 1.74 ±8 10 7.85B65A3100.653.10 3.05 1.64 ±150.972 7.60B65A350 3.50 3.45 1.65 ±14 2 7.60B65A400 4.00 3.95 1.66 ±14 2 7.65B65A470 4.70 4.60 1.67 ±12 5 7.65B65A530 5.30 5.20 1.68 ±12 10 7.70B65A600 6.00 5.90 1.68 ±10 10 7.75B65A700 7.00 6.90 1.69 ±10 10 7.75B65A800 8.00 7.90 1.71 ±10 10 7.80B65A1000 10.00 9.90 1.71 ±10 10 7.80B65A1300 13.00 12.90 1.72 ±8 10 7.


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電工鋼硅鋼片本文件適用于寶山鋼鐵股份有限公司生產的、山西運城同城用于頻率在 100Hz-10000Hz 磁路結構的、山西運城同城以終退火狀態(tài)交貨的全工藝冷軋無取向電工鋼帶產品(以下簡稱產品)，比總損耗(鐵損)specific total loss (iron loss)比總損耗是指在磁極化波形保持正弦，其峰值和頻率為特定值時，單位質量材料所消耗的總功率，比總損耗用符號 P(Jm/f)表示，單位為 W/kg。例：P1.0/400表示在 磁極化強度為 1.0T、山西運城同城頻率為 400Hz 時的比總損耗。Q/BQB 481－202123.2 磁極化強度 magnetic polarization磁極化強度是指試樣受交變磁化時，特定磁場強度峰值的磁極化強度峰值，其符號為J(H)，單位為 T(特斯拉)。例：J5000表示對應于磁場強度峰值為 5000A/m 下的磁極化強度峰值。4 分類本文件的材料的等級是根據(jù)磁極化強度在1.0T、山西運城同城頻率在400Hz下的 比總損耗值P1.0/400、山西運城同城材料公稱厚度進行牌號分類，并按產品特性細分為普通型、山西運城同城型、山西運城同城高強度型、山西運城同城高磁感型和高強度型五類。示例 1：B20AV1300 表示公稱厚度為 0.20mm 的普通型無取向電工鋼， 比總損耗P1.0/400為13W/kg；示例 2：B27AHV1400 表示公稱厚度為 0.27mm 的型無取向電工鋼， 比總損耗P1.0/400為14W/kg；示例 3：B30APV1500 表示公稱厚度為 0.30mm 的高磁感型無取向電工鋼， 比總損耗P1.0/400為15W/kg；示例 4：B25AHV1300M表示公稱厚度為0.25mm的高強度型無取向電工鋼， 比總損耗P1.0/400為13W/kg；示例 5：B35AHS500 表示公稱厚度為 0.35mm 的高強度型無取向電工鋼，小屈服強度500MPa。1 絕緣涂層狀態(tài)產品通常以兩面涂敷絕緣涂層狀態(tài)交貨，涂層種類見表 2。絕緣涂層應可耐受絕緣漆、山西運城同城變壓器油、山西運城同城機械油等介質的侵蝕。本文件規(guī)定的絕緣涂層與國內外相關技術規(guī)范規(guī)定絕緣涂層的近似對照可參見附錄 A(資料性附錄)，絕緣涂層的特性見附錄 B(資料性附錄)。絕緣涂層的厚度、山西運城同城自粘接涂層的剝離強度等技術要求如有特殊要求應在訂貨時協(xié)商，并在合同中注明。涂層絕緣電阻涂層絕緣電阻分為表面絕緣電阻和層間電阻，表面絕緣電阻單位為Ω·cm2/面，層間電阻單位為Ω·cm2/片，理論上，層間電阻是表面絕緣電阻的 2 倍。根據(jù)需方要求，經供需雙方協(xié)商，可進行涂層絕緣電阻的檢測，并在合同中注明涂層表面絕緣電阻或層間電阻的小值。


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