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鹿程国际贸易有限公司自创建以来，秉承“人以诚为本、利以信为先 ”的核心理念和“薄利多销、互利共赢”的经营理念。为客户提供优质、的 海南电工钢采购解决方案。在激烈的市场竞争中，树立了良好的公平、公正的企业形象，把握市场机遇，将公司做大做强。也得到了厂商、同行业及广大客户的一致好评和认可。 公司通过十余载的不懈努力，与多家大型 海南电工钢厂建立了良好的合作伙伴关系，公司坚持以诚信广交朋友，以服务增进感情，真诚为广大客户创造价值，为广大客户提供优质可靠的 海南电工钢产品和全心全意的服务。
电工钢硅钢片电工钢钢板经冲片、海南同城剪切、海南附近弯曲会引入残余应力，导致磁性能劣化。应力退火（SRA）可以残余应力对磁畴移动与转动的阻碍作用，恢复电磁性能。E.2 在钢板或铁心叠片的状态下进行应力退火的注意事项如下。1)、海南附近避免氧化和渗碳为了防止氧化应力退火应该在保护气氛下进行，通常是 10％以下氢气（H2）和 90％以上氮气（N2）、海南附近100％氮气（N2）或者氨分解气氛的非爆炸性保护气氛，露点控制在 0℃以下。冲压加工过程引入的冲压油在退火前应完全去除，防止在退火中发生渗碳，劣化产品磁性。2)、海南附近退火温度及保持时间退火温度指材料温度，750℃为宜。为使得钢板或铁心叠片各部分退火均匀，需要调整温度与保持时间。温度太低不足以残余应力的影响，温度太高会破坏涂层绝缘性。3)、海南附近冷却时间应当避免急剧冷却使材料产生应力应变。冷却时间根据电工钢退火数量进行调整。对于退火小吨位数量时，可按每小时不超过 25℃ 的冷却速度冷却到 350℃,以避免冷却过程中产生应力应变。对于退火大吨位数量时，应采取更加缓慢的冷却速率，以期获得 效果。
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
