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The role of the flux core is relatively greater. It can stabilize the arc, improve operating performance, and play a protective role.
Therefore, compared with solid welding wire, flux-cored welding wire has a wider range of applications.
1 . Production efficiency: In terms of production efficiency, flux-cored wire adopts a continuous welding method, so the production efficiency is high; compared with solid welding wire, flux-cored wire has less welding spatter and better weld formation, so it reduces the time for removing spatter and grinding the weld surface.
2. Adaptability to steel: Compared with solid welding wire, flux-cored welding wire generally uses the flux core to transition alloy elements, so the alloy composition can be easily adjusted from the formula like manual welding rods to adapt to the requirements of the welded steel. Solid welding wire needs to be re-smelted every time the alloy composition is adjusted, and the process is complicated and difficult to control, so it is difficult to meet the requirements of small amount and large variety. In addition, some alloy steel solid welding wires have poor drawing performance and are difficult to draw into the required welding wire. At this time, flux-cored welding wire shows its unique advantages.
3. Cost of use: Compared with manual welding rods and solid welding wires, the price of flux-cored welding wires is very high. However, for large enterprises, the use of flux-cored welding wires shortens the production cycle and ensures the quality of the welds, so the overall benefits are very high.
4. Moisture resistance: Due to the constraints of its manufacturing form, ordinary flux-cored welding wires have a continuous gap on the side of its steel skin. Therefore, the flux-cored welding wire should not be left for too long after opening the package to prevent excessive moisture absorption and affect the welding quality.
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