Reliable welding with full cross-section fusion of bolts can be achieved in an instant. 2. No need for traditional methods such as drilling, tapping, threading, locking, riveting, etc. 3. The workpiece can ensure sealing performance after welding. 4. High efficiency, high reliability, low cost, and wide application field. 2. Scope of application In principle, all materials suitable for fusion welding can use stud welding. However, for some more sensitive steels, they may become hard and brittle due to the rapid heat/cold changes generated during the stud welding process. If two metals of different materials are welded together (such as carbon steel and stainless steel), a new alloy will be formed. These two situations should be paid attention to during construction, but "free-cutting steel" is not suitable for stud welding. Stud welding technology is now widely used in industry, and the emergence of stud welding has brought great convenience to people.Aluminum studs are generally used for welding, because aluminum has good electrical conductivity, thermal conductivity, corrosion resistance, is conducive to deformation characteristics and has greater strength, so it has been widely used in industry. Aluminum studs have the following characteristics: high affinity with oxygen, can generate a high melting point oxide layer on the plane of the shiny aluminum sheet in a short time, and its melting point temperature is about 2050ºC; low melting point, so when aluminum is heated, it melts before it is too red; high thermal conductivity, and the line energy should be concentrated during welding; aluminum cannot dissolve hydrogen at all in the solid state, and all gases dissolved in the liquid aluminum molten pool during welding must be discharged from the weld before the molten pool solidifies. Otherwise, the gas will remain in the weld in the form of pores. It can be seen that before using this product, you need to understand some of its basic characteristics clearly. Only by having enough understanding of these aspects can you use the product better. The above are the characteristics of drawn arc stud welding studs introduced by the editor. I believe that after paying attention to the above points, there will be no problem.
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