Supply For Silicon Steel and Electric Steel

Supply For Silicon Steel and Electric Steel System 1

Supply For Silicon Steel and Electric Steel System 2

Supply For Silicon Steel and Electric Steel

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 50 kg

Supply Capability:: 4000 kg/month

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1.Description:

Silicon steel containing silicon content is 0.5 to 4.5% of very low carbon ferrosilicon alloy, due to the different structure and use is divided into non oriented silicon steel and grain oriented silicon steel. Silicon steel is mainly used for motors, generators, compressors, motors and transformers core, is the electric, home appliances and other industries indispensable raw materials products.

Silicon steel sheets cold rolling, hot-rolled two, the use of more cold-rolled silicon steel sheet. Cold-rolled silicon steel sheet along the rolling direction with excellent magnetic properties, not only in the strong magnetic field has high saturation magnetic flux density and low loss, but also have good magnetic properties (initial permeability) in the weak magnetic field. Because of the cold rolling process, the impurity content of the steel sheet is decreased, and the coarse grain is caused, and the magnetic permeability is increased and the hysteresis loss decreases.

2.Product characteristic:

The main requirements for the silicon steel properties are:

1, low iron loss, this is the most important quality index of silicon steel sheet. All core loss grades according to the lower grades, the iron loss, the higher.

2, a strong magnetic field of magnetic induction (magnetic), which makes the motor and transformer core volume and weight, saving silicon steel, copper and insulating materials, etc..

3, the surface is smooth, flat and thickness uniformity, can improve the core fill factor.

4, good film, for manufacturing micro, small motor is more important.

5, the adhesion and welding of the surface insulation film is good, can prevent and improve the film.
3.Specifications :

Material: B50A470

0.5*1200*C, 0.5*1000*C

4.Reference picture:

Supply For Silicon Steel and Electric Steel

Material: B50A470

Origin / manufacturer :Shanghai Baoshan Iron & Steel Co.

Stock:Jiayin Stock

Specifications :0.5*1200*C, 0.5*1000*C

Q: What is iron loss? What impact does it have on steel? Why iron loss required?: General requirements for silicon steel and other electrical steelThe influence is: the stator iron loss test, found iron loss is not qualified. Test analysis after insulation material loss and chemical composition, the stator iron core silicon steel sheet, film thickness of silicon steel sheet is found due to the insufficient laminated insulation failure, resulting in unqualified iron loss test of silicon steel sheet. Split laminated to motor factory to add coating after problems have been solved.

Q: What is the effect of temperature cycling on the magnetic properties of silicon steel?: Temperature cycling can have a significant effect on the magnetic properties of silicon steel. Silicon steel is a type of electrical steel that is used in the construction of transformers, motors, and other electrical devices due to its high magnetic permeability and low core loss. When silicon steel is subjected to temperature cycling, it experiences changes in its microstructure, which in turn affects its magnetic properties. The expansion and contraction of the material during temperature variations can lead to the formation of internal stresses, causing alterations in the crystal structure of the steel. One of the main effects of temperature cycling on the magnetic properties of silicon steel is the change in its magnetic permeability. Magnetic permeability is a measure of how easily a material can be magnetized. Temperature cycling can lead to a decrease in the magnetic permeability of silicon steel, reducing its ability to efficiently conduct magnetic flux. Additionally, temperature cycling can also affect the hysteresis properties of silicon steel. Hysteresis refers to the lag between the applied magnetic field and the resulting magnetization or demagnetization of a material. This lag results in energy losses and is commonly known as hysteresis loss. Temperature cycling can alter the hysteresis properties of silicon steel, potentially leading to increased hysteresis losses and reduced overall efficiency of electrical devices. Furthermore, temperature cycling can induce changes in the magnetic domain structure of silicon steel. Magnetic domains are regions within a material where the magnetic moments of atoms align in a specific direction. Temperature variations can cause these domains to change in size, shape, or orientation, leading to alterations in the magnetic properties of the material. In summary, temperature cycling can have a profound effect on the magnetic properties of silicon steel. It can reduce the magnetic permeability, alter the hysteresis properties, and induce changes in the magnetic domain structure. These changes can impact the efficiency and performance of electrical devices that rely on silicon steel, emphasizing the importance of considering temperature effects when designing and operating such equipment.

Q: What are the safety considerations when handling silicon steel?: When handling silicon steel, there are several safety considerations that should be taken into account. First and foremost, it is important to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a face mask. This will protect the skin, eyes, and respiratory system from potential hazards associated with silicon steel. Silicon steel can have sharp edges and corners, so it is crucial to handle it with care and avoid any direct contact with bare skin. The edges should be properly deburred to minimize the risk of cuts or injuries. Additionally, silicon steel can be heavy and bulky, so it is essential to use proper lifting techniques or mechanical aids to avoid strains or muscle injuries. When working with silicon steel, it is important to maintain a clean and organized work area. Clutter or debris can create tripping hazards, so it is crucial to keep the workspace clear and ensure that the steel is stored in a secure manner to prevent it from falling or causing accidents. Another safety consideration is the potential for fire hazards. Silicon steel is highly flammable and can produce sparks or flames when exposed to certain conditions. It is important to keep silicon steel away from open flames, sparks, or any other potential sources of ignition. Furthermore, it is essential to be aware of the potential health hazards associated with silicon steel. When heated or cut, it can release fumes or dust particles that may be harmful if inhaled. Adequate ventilation should be provided to minimize exposure and, if necessary, respiratory protection should be used. Lastly, it is crucial to follow proper handling and storage procedures when dealing with silicon steel. This includes using appropriate lifting equipment, storing it in a dry and controlled environment to prevent corrosion, and ensuring that it is not mixed with incompatible materials. Overall, by following these safety considerations and taking necessary precautions, the risks associated with handling silicon steel can be minimized, promoting a safer working environment.

Q: How does the surface treatment of silicon steel affect its adhesion properties?: The adhesion properties of silicon steel can be significantly impacted by its surface treatment. Various applications, such as transformers and electric motors, require efficient performance, making adhesion crucial. A commonly used surface treatment method for silicon steel involves applying a thin layer of insulation, like varnish or enamel. This insulation layer serves to prevent electrical shorts and decrease eddy current losses. However, it can also affect the steel's adhesion properties. The adhesion properties of silicon steel are primarily influenced by the bonding strength between the insulation layer and the steel substrate, as well as the surface roughness. A rougher surface allows for more contact area, increasing adhesion strength. Therefore, surface treatments that enhance surface roughness, such as etching or mechanical grinding, can improve adhesion properties. The choice of adhesive used to bond the insulation layer also plays a significant role in adhesion. Different adhesives have varying bonding strengths and compatibility with silicon steel. The surface treatment can impact the bonding strength between the adhesive and the steel substrate, potentially improving or compromising adhesion properties. Additionally, the surface treatment can influence the surface energy of the silicon steel. Higher surface energy enhances the wettability and adhesion of the insulation layer. Surface treatments like plasma treatment or chemical modification can increase surface energy, resulting in better adhesion properties. In conclusion, the surface treatment of silicon steel is vital in determining its adhesion properties. The choice of insulation layer, surface roughness, adhesives, and surface energy all require careful consideration to ensure optimal adhesion performance in various applications.

Q: What is the function of the silicon steel sheet on the rotor of the motor?: Increasing the magnetic conductivity of the core, increasing the magnetic field density, and reducing the electrical conductivity can reduce eddy current losses.

Q: How does the presence of silicon affect the ductility of steel?: The presence of silicon in steel can have a significant impact on its ductility. Silicon is commonly added to steel as an alloying element because it improves its overall strength, corrosion resistance, and magnetic properties. However, when silicon is present in higher concentrations, it can reduce the ductility of steel. Silicon is known to form solid solutions with iron, which can lead to the formation of brittle intermetallic compounds. These compounds can act as stress concentrators and promote crack initiation and propagation, thereby reducing the ability of the steel to deform plastically. This results in decreased ductility, meaning that the steel is more likely to fracture or fail under tensile or bending stresses. Furthermore, the presence of silicon can also affect the grain structure of steel. High silicon levels can lead to the formation of coarse grains, which can further reduce ductility. Coarse grains have fewer grain boundaries, which act as barriers to dislocation movement. As a result, the steel becomes more prone to brittle fracture rather than exhibiting plastic deformation. In summary, while silicon can enhance certain desirable properties of steel, such as strength and corrosion resistance, its presence in higher concentrations can negatively impact the ductility of the material. Proper control and optimization of silicon content in steel compositions are crucial to ensure a balance between strength and ductility, depending on the intended application of the steel.

Q: How does the presence of silicon affect the magnetic domain wall motion in silicon steel?: The presence of silicon in silicon steel affects the magnetic domain wall motion in several ways. Firstly, silicon increases the resistivity of the steel, which in turn increases the magnetic domain wall pinning. This means that the movement of magnetic domain walls is hindered, making it more difficult for them to move and change their orientation. As a result, the steel exhibits higher magnetic coercivity, meaning it requires more energy to demagnetize it. Secondly, the addition of silicon also helps to reduce the magnetostriction of the steel. Magnetostriction is the phenomenon where a material changes its shape in response to an applied magnetic field. Silicon steel has a lower magnetostriction compared to other types of steel, which makes it less susceptible to physical deformation when subjected to a magnetic field. This reduced magnetostriction contributes to the stability of the magnetic domain walls in silicon steel, further restricting their motion. Additionally, the presence of silicon influences the grain structure of the steel. Silicon steel has a fine-grained microstructure, which promotes the formation of well-defined and aligned magnetic domains. This alignment of magnetic domains reduces the occurrence of irregular and disordered domain walls, allowing for smoother and more predictable motion of the domain walls within the material. In summary, the presence of silicon in silicon steel enhances the pinning of magnetic domain walls, reduces magnetostriction, and promotes a fine-grained microstructure. These factors collectively contribute to the controlled and stable motion of magnetic domain walls in silicon steel.

Q: What is the effect of grain boundary orientation on the properties of silicon steel?: The properties of silicon steel are significantly influenced by the orientation of its grain boundaries. Silicon steel, also known as electrical steel, contains silicon as an alloying element and is widely used in the production of transformers, motors, and generators due to its exceptional magnetic qualities. The orientation of grain boundaries refers to how the crystal lattice is arranged and aligned at the boundaries between individual grains in the steel. These boundaries can either be random or exhibit a preferred orientation. The orientation of these boundaries plays a critical role in determining various properties of silicon steel. One major impact of grain boundary orientation on silicon steel is its magnetic behavior. Grain boundaries can disrupt the flow of magnetic domains, affecting the overall magnetic properties of the material. Randomly oriented grain boundaries can lead to increased magnetic losses, known as eddy current losses. This, in turn, can reduce efficiency and cause increased heating in electrical devices made from silicon steel. Conversely, when grain boundaries exhibit a preferred orientation, such as a strong alignment along the rolling direction, the magnetic properties of silicon steel can be significantly enhanced. This preferred orientation allows for better alignment of magnetic domains, reducing eddy current losses and improving the material's magnetic permeability. This characteristic is particularly important in applications where high magnetic flux density and low energy losses are desired, such as in power transformers. Moreover, grain boundary orientation also affects mechanical properties like strength and ductility. Randomly oriented grain boundaries can result in reduced strength and increased brittleness, making the material more prone to fractures. On the other hand, a preferred orientation can lead to improved mechanical properties, including higher strength and enhanced formability. To summarize, the orientation of grain boundaries plays a vital role in determining the properties of silicon steel. A preferred orientation can enhance the material's magnetic properties, resulting in lower energy losses and improved efficiency in electrical devices. Additionally, it can also impact the mechanical properties, contributing to higher strength and better formability. Therefore, controlling and optimizing the grain boundary orientation during the manufacturing process of silicon steel is essential to achieve the desired magnetic and mechanical properties.

Q: How to distinguish between silicon steel and ordinary steel sheets: If you want to make a very accurate distinction, buy an iron loss tester, which is more accurate.

Q: What are the different methods used to improve the magnetic properties of silicon steel?: There are several different methods used to improve the magnetic properties of silicon steel. One common method is to increase the silicon content in the steel. Silicon acts as a magnetic insulator, reducing the formation of eddy currents and improving the overall magnetic performance of the material. Increasing the silicon content also helps to reduce the hysteresis losses, making the steel more efficient. Another method used is the addition of certain alloying elements like aluminum, nickel, or cobalt. These elements can enhance the magnetic properties of silicon steel by promoting the formation of a more uniform and fine-grained microstructure. This microstructure reduces the magnetic losses and improves the permeability of the steel. Additionally, heat treatment processes can be employed to enhance the magnetic properties of silicon steel. Annealing, for example, involves heating the steel to a specific temperature and then slowly cooling it down. This process helps to relieve internal stresses, refine the grain structure, and improve the magnetic properties of the material. Grain-oriented silicon steel is another method used to improve magnetic properties. It involves aligning the crystallographic orientation of the steel grains in a specific direction, usually achieved through a rolling process. This alignment reduces the magnetic losses caused by the irregular orientation of the grains and enhances the magnetic properties in the preferred direction. Lastly, the use of coatings or surface treatments can also improve the magnetic properties of silicon steel. These coatings, such as insulating varnishes or oxide layers, can reduce the formation of surface currents and eddy currents, thus improving the overall magnetic performance of the material. In conclusion, the different methods used to improve the magnetic properties of silicon steel include increasing silicon content, adding alloying elements, employing heat treatment processes, utilizing grain orientation techniques, and applying coatings or surface treatments. These methods help to reduce magnetic losses, enhance permeability, and improve the overall efficiency of silicon steel in various magnetic applications.

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