Surface modification for the new roll through hardening overlay has also been implemented! Welding overlay for heat-resistant and wear-resistant superalloys is also supported.
Build-up welding is a technique that involves welding different metals onto the surface of various metal materials (base materials) to restore the shape of areas that have been worn or damaged due to wear, cracks, corrosion, etc., and to improve surface properties such as wear resistance, corrosion resistance, and heat resistance. In particular, rolls and rollers used in continuous casting and rolling equipment related to steelmaking are subjected to harsh operating environments, and the extent of wear and damage due to heat, wear, and corrosion is significant. Our company not only focuses on restoring these base materials but also leverages the strengths of specialized welding material manufacturers to select welding materials that can withstand these operating environments, performing build-up welding to deliver products that match our customers' equipment. 【Features】 - Conduct surface modification aimed at restoring the shape of worn or damaged areas and improving wear resistance, corrosion resistance, and heat resistance. - Implement hard-facing build-up not only for worn rolls but also for surface modification of new rolls. - Utilize PTA welding to accommodate build-up welding of heat-resistant and wear-resistant superalloys based on Co and Ni. *For more details, please refer to the related link page or feel free to contact us.
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basic information
Main Flow of Roll Repair 1. Receipt and Inspection of Repair Parts 2. Skin Cut and Crack Removal 3. Build-up Welding (Lower Layer) 4. Build-up Welding (Upper Layer) 5. Finishing Machining 6. Various Inspections and Shipping *For more details, please refer to the related link page or feel free to contact us.
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Applications/Examples of results
【Application Examples】 ■ Continuous casting segment rolls and pinch rolls ■ Continuous casting cutter transport rollers ■ Various transport rolls for rolling ■ Rolling mill side guide rollers ■ Hot transport V-type/U-type rolls for pipes, rebar, etc. (superalloy overlay) *For more details, please refer to the related links page or feel free to contact us.
Company information
Special Electrode Co., Ltd. develops its business primarily around specialized welding technology that requires special techniques in the field of "surface modification" of metals, specifically build-up welding (a welding method that adds metal of the same or completely different quality to the surface of mechanical parts, etc.) and build-up welding materials. As one of the few companies in the country that can provide comprehensive services from the supply of welding materials to the execution of construction, we take pride in our top-class achievements. We respond to customer requests regarding all types of equipment, from maintenance in the steel industry to mold repairs for automotive parts, rubber and resin extrusion screws, plastic reduction machines, and crushing blades, using our specialized welding technology. If you have any concerns, please feel free to consult with us.
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