特殊電極 List of Products and Services

"Tokuhard" is a wear-resistant steel plate that can be applied for wear protection in construction machinery, crushed stone sites, waste treatment facilities, and more, with a hardness of HV400 or higher. It has excellent wear resistance while also offering good weldability, making it suitable for on-site construction. Additionally, it can be cut using gas cutting or plasma cutting methods. Please feel free to consult us when you need assistance. 【Features】 ■ Excellent wear resistance ■ Excellent weldability *For more details, please refer to the PDF document or feel free to contact us.

• Steel
• Special Steel
• Other metal materials

The "TOP PLATE" is a wear-resistant clad steel plate manufactured by overlay welding a wear-resistant alloy onto a base material of soft steel plate. Due to the special automatic welding method used for the overlay, it possesses very high hardness and excellent wear resistance, yet has almost no cracks and minimal distortion. It is particularly suitable for components that undergo severe grinding wear and erosion wear due to the precipitation of various carbides. 【Features】 ■ Almost no cracks and minimal distortion ■ Particularly suitable for components that undergo severe grinding wear and erosion wear ■ Available in four grades, all primarily composed of high chromium cast iron ■ High-grade plates have special elements added in addition to chromium carbides *For more details, please refer to the PDF document or feel free to contact us.

• Steel
• Special Steel
• Other metal materials

The "EP-TOP" is a top plate that achieves a hardened layer of 2.0mm thickness while maintaining almost the specified base material thickness by minimizing blending as much as possible. It suppresses weight increase due to wear resistance measures. Additionally, it improves workability for processes such as bending, allowing for the production of shapes that were previously impossible. Please feel free to consult us when you need assistance. 【Features】 ■ Pursuit of thinner plates ■ Lightweight equipment and improved installation efficiency ■ Enhanced workability *For more details, please refer to the PDF document or feel free to contact us.

• Steel
• Special Steel
• Other metal materials

We would like to introduce our product 'CEL TOP'. You can select the thickness of the hardened layer, and it can be manufactured to fit your equipment. It can also be used as a thin wear-resistant clad steel plate with excellent wear resistance, making it suitable for areas where lightweight and long lifespan are required. Furthermore, it can achieve lower costs. Please feel free to consult us when you need it. 【Features】 ■ Selectable thickness of the hardened layer ■ Increased wear resistance ■ Cost reduction *For more details, please refer to the PDF document or feel free to contact us.

• Steel
• Special Steel
• Other metal materials

Our company offers various products and repair technologies that contribute to the improvement of die-cast product quality and the reduction of manufacturing costs. Welding materials for molds with high resistance to melting loss and heat cracking, as well as sleeves that enhance the thermal insulation of molten metal, contribute to the longevity of die-cast molds. Copper paste and copper tubes that improve cooling efficiency, along with mold components that achieve high cooling efficiency, contribute to shorter cycle times and improved product quality. We can also handle on-site repairs of platens worn due to melting loss, corrosion, and distortion, as well as mold repairs. ★ We will be exhibiting at the "2024 Japan Die Casting Exhibition" starting on November 14. 【Product and Technology Lineup】 ◎ Welding materials for die-cast molds ◎ Td-Thermo (thermal insulation sleeves for die casting) ◎ Various on-site repairs for die-casting machines ◎ Ladles ◎ Die-cast mold repairs ◎ Regeneration sleeves ◎ High-performance fillers and straight copper tubes ◎ Cooling structure iTherm(R) *For more details, please refer to the catalog available for PDF download. Feel free to contact us with any inquiries.

• Repair Agent

"TOP PLATE" is a clad steel plate that has been welded with a super wear-resistant alloy on a mild steel plate. It features high hardness and wear resistance, with minimal cracking and distortion, making it a smooth plate that allows for easy wear protection when used in equipment components. We offer a lineup of six types with different compositions and hardness to accommodate a wide range of applications. In addition to standard sizes, custom sizes are also available. 【Features】 ■ Clad steel plate that leverages the advantages of mild steel and super wear-resistant alloy ■ Very low cracking despite high hardness ■ Wear resistance ratio in rubber wheel wear tests is 10 to 36 times that of typical steel materials ■ Compatible with various processing methods such as welding, bending, cutting, and drilling ■ Extensive track record in applications such as extruders, gas circulation equipment, and dust collection ducts * We are currently offering materials summarizing the product features and usage examples! You can view them via "PDF Download." Please feel free to contact us with any inquiries.

• Special Steel

When it comes to welding, the first thing that comes to mind is the welding of metal components, but our company possesses the most advanced technology not only in this area but also in another representative welding technique, build-up welding. As the term "build-up" suggests, we enhance the surface of various metal substrates by welding on equal or superior metals, thereby building up material and performing repair and regeneration (repair) on parts that have been worn or damaged due to wear, cracks, corrosion, or high-temperature oxidation. Additionally, we employ welding techniques for surface modification aimed at improving wear resistance, corrosion resistance, and heat resistance. In particular, surface modification known as hardened build-up welding, which is specialized for wear resistance, is one of our strengths. 【Features (Build-up Welding with Special Electrodes)】 ■ Instead of replacing worn or damaged parts with expensive new ones, we can relatively inexpensively reuse them through repair and regeneration (repair) using build-up welding. ■ We perform build-up welding with welding materials tailored to the purposes of heat resistance, corrosion resistance, and wear resistance on the surface of components, thereby enhancing their durability and extending their lifespan.

• Processing Contract
• Other metal materials

We would like to introduce our "Flux-Cored Wire for Stainless Steel MAG Welding." Compared to solid wire, it has a wider range of welding conditions, and the arc is very stable. Additionally, it produces almost no spatter, resulting in a shiny and beautiful bead appearance without welding defects such as blowholes or cracks, demonstrating excellent weldability. We offer "MT-308LF," which provides ultra-low carbon 19Cr-9Ni weld metal; "MT-309LF," which provides 24Cr-12Ni weld metal; and "MT-316LF," which provides 18Cr-12Ni-2Mo weld metal. 【Features】 ■ Wider range of welding conditions compared to solid wire ■ Very stable arc ■ Almost no spatter, with no defects such as blowholes or cracks ■ Produces a shiny and beautiful bead appearance ■ Demonstrates excellent weldability *For more details, please refer to the related link page or feel free to contact us.

• Other metal materials

The grinding surfaces of vertical mills (rollers and table liners) experience wear over time, leading to a decrease in grinding performance. To address this, hardfacing is applied to the rollers and table to enhance wear resistance and achieve a longer lifespan. Additionally, after a certain period of operation, repairs are conducted to restore the grinding surfaces to their original shape through re-hardfacing welding, aimed at recovering grinding performance. 【Features of Hardfacing Welding】 - By applying hardfacing to the worn areas of the rollers and table liners, a longer lifespan is achieved. - Hardfacing materials specifically developed for vertical mill rollers and table liners are used for the hardfacing welding process. - The vertical mill crushes the material to approximately 100μm using the rotating table and rollers. *For more details, please refer to the related links page or feel free to contact us.

• Processing Contract
• Other metal materials

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.

• Processing Contract
• Other metal materials

The blades (mono-cutters) of the dual-axis crusher have traditionally used heat-treated materials such as SCM440, SKD61, and SKD11, which were replaced with new ones after wear. The blades made with specialized welding materials, referred to as Y0-CUTTER, not only increase the durability as blades but also allow for the repair of worn heat-treated blades. Please feel free to contact us when needed. 【Features】 ■ Uses specialized welding materials for blades ■ Increases durability as blades ■ Allows for the regeneration of worn heat-treated blades *For more details, please refer to the related link page or feel free to contact us.

• Processing Contract
• Other metal materials

"Gachikon" is a special overlay welding method that fuses cemented carbide particles in a dispersed state within a high-tensile steel matrix. It is a hybrid type of wear-resistant overlay welding that withstands wear from the target object with cemented carbide particles and impacts from collisions with the high-tensile steel matrix. It demonstrates its effectiveness against wear targets such as ores and crushed debris. 【Features】 ■ By applying Gachikon overlay to parts subjected to heavy wear, we aim to extend the life of your equipment components. ■ Reduces maintenance opportunities and achieves lower running costs. ■ Fuses cemented carbide particles in a dispersed state within a high-tensile steel matrix. ■ Demonstrates its effectiveness against wear targets such as ores and crushed debris. *For more details, please refer to the related link page or feel free to contact us.

• Processing Contract
• Other metal materials

"PTA" is an acronym for Plasma Transferred Arc Welding. As the name suggests, it is a welding method that uses a plasma arc for melting metals, and it utilizes powder as the welding material. Due to the characteristics of the PTA welding method, it is possible to perform overlay welding of superalloys such as Co-based alloys represented by Stellite, which are resistant to heat and wear, as well as Ni-based superalloys that are highly resistant to corrosion and heat. Additionally, overlay welding of wear-resistant alloys containing ultra-hard carbides like NbC can also be performed. **Features of PTA Welding** - Special welding materials that cannot be formed into wires or rods can be used in powder form. - By powdering the welding material, welding of composite alloys containing carbides can be easily carried out. - Thin overlays and internal diameter overlays that conform to shapes can also be applied. *For more details, please refer to the related link page or feel free to contact us.*

• Processing Contract
• Other metal materials

This is an introduction to our "Special Plating Treatment." Inside the cooling holes of molds, rust can occur due to water, leading to cracking, clogging of the cooling holes, and instability in cooling. As a result, issues such as short mold lifespan, unstable quality, and unexpected machine stoppages can arise. The special plating we have developed can suppress the occurrence of rust and significantly contribute to solving the problems associated with cooling holes. This special plating can be applied even to fine and long holes within a short delivery time. [Features] ■ Suppresses the occurrence of rust ■ Significantly contributes to solving cooling hole problems ■ Can be applied to fine and long holes within a short delivery time *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service

This is an introduction to our "Various Cylinder Repairs for Molds." By applying a special buildup to the sliding parts of the piston, we suppress the generation of oxides, reduce internal leaks caused by galling, and aim for a longer lifespan. Our cylinder maintenance services cover a wide range of repairs, including various cylinders for molds, construction machinery, ships, and conveying equipment. Please feel free to contact us when you need our services. 【Features】 ■ Special buildup on the sliding parts of the piston ■ Suppresses the generation of oxides ■ Reduces internal leaks caused by galling, aiming for a longer lifespan *For more details, please refer to the PDF document or feel free to contact us.

• cylinder
• Calibration and repair
• Other contract services

This is an introduction to our "Die Casting Machine Maintenance." In the "On-site Repair Maintenance of the Platen Surface," we use special materials for build-up welding, which helps reduce wear from corrosion and other factors. As a result, we can expect a sustained effect in maintaining the precision of the platen surface. Additionally, we offer on-site repair maintenance for "Tie Bar Nut Seat" and "Platen T-Slot," allowing for quick repairs on-site. 【Features of On-site Repair Maintenance of the Platen Surface】 ■ Achieves high precision finishing of the platen surface in the shortest delivery time through on-site work ■ Reduces wear from corrosion and other factors ■ Expects sustained effects in maintaining the precision of the platen surface *For more details, please refer to the PDF document or feel free to contact us.

• Calibration and repair
• Other molds
• Other contract services

The "Special Regeneration Sleeve" is designed to restore the shape of used sleeves by adding material to the inner surface as required. It is particularly effective when the hot water outlet area is eroded in a crater-like manner. It helps to minimize damage to the oil inlet area, enabling a longer lifespan. Additionally, with consideration for the environment, it can reduce CO2 emissions by approximately 70 kg in the case of a 1650-ton sleeve compared to new sleeves. 【Features】 ■ Particularly effective when the hot water outlet area is eroded in a crater-like manner ■ Minimizes damage to the oil inlet area, enabling a longer lifespan ■ Cost reduction ■ Can reduce CO2 emissions by approximately 70 kg *For more details, please refer to the PDF materials or feel free to contact us.

• Piping Materials
• Other molds

This is an introduction to our product, the "Td-Thermo Sleeve." It is coated with our developed material "TD-1," which has excellent resistance to molten loss and low thermal conductivity, thereby reducing breakage chills and casting defects through improved thermal insulation and heat retention. The developed material "TD-1" is metallurgically bonded to the base material, enabling stable die casting operations. 【Features】 ■ Measures to reduce product defects due to breakage chills ■ Measures to reduce casting defects through improved flowability ■ Reduction of banana bending phenomenon ■ Increased lifespan of sleeves and chips ■ Outer diameter temperature is lower than SKD61, making it difficult for the injected aluminum to cool down *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials
• Other molds

Our company conducts "ladle manufacturing and ladle coating." By specially shaping the area around the pouring spout, we can ensure smooth flow of molten metal in and out, leading to effects such as stable metal volume and increased ladle lifespan. The "HCF-10 ceramic coating" features a special ceramic layer that prevents direct heat attack from aluminum molten metal. 【Features】 ■ Increased ladle lifespan ■ Reduced maintenance burden ■ Special shaping of the pouring spout area ■ Stable metal volume ■ Special ceramic layer prevents direct heat attack from aluminum molten metal *For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service

This catalog introduces the welding materials handled by Special Electrode Co., Ltd. It includes a "Product Brand List (in alphabetical order)" as well as "Welding Materials for Cast Iron," "Welding Materials for Heat-Resistant Alloys," and "Welding Materials for Copper and Copper Alloys." Since our establishment, we have supported various industries with our material processing technology focused on welding. Please feel free to contact us when you need assistance. [Contents] ■ Product Brand List (in alphabetical order) ■ Welding Materials for Cast Iron ■ Welding Materials for Hardfacing ■ Welding Materials for Stainless Steel ■ Welding Materials for Heat-Resistant Alloys *For more details, please refer to the PDF document or feel free to contact us.

• Other metal materials

The "TOP PLATE Gr.W" is an ultra-wear-resistant plate made of tungsten carbide. By combining a large amount of tungsten carbide and chromium carbide, it offers 4 to 8 times the wear resistance compared to conventional chromium cast iron liners. It has achieved a significant reduction in crack occurrence, which was impossible with conventional technology. Additionally, the incorporation rate is kept to about 5%, minimizing the influence of the base material, and the carbides in the overlay metal are uniformly distributed from the lower layer to the upper layer. 【Features】 ■ Excellent wear resistance ■ Significant reduction of cracks ■ Stabilization of the clad layer *For more details, please refer to the PDF document or feel free to contact us.

• Special Steel
• Other metal materials

"EP-TOP" is a thin plate wear-resistant clad steel plate that pursues the thinning of the plate. By minimizing melting, it achieves a hardened layer of up to 1.5mm while maintaining almost the specified base material thickness. Furthermore, by using this product, you can reduce the weight increase due to wear resistance measures, leading to lighter equipment and improved installation efficiency. 【Features】 ■ Pursues the thinning of the plate ■ Enables equipment weight reduction ■ Improves installation efficiency ■ Enhances workability for processes such as bending, allowing for shapes that were previously impossible to manufacture *For more details, please refer to the PDF document or feel free to contact us.

• Other metal materials

"TOP PLATE" is a special overlay clad steel plate primarily made from soft steel material, produced by welding a super wear-resistant alloy on top of it. Due to the special automatic welding method used for the overlay, it possesses extremely high hardness while having almost no cracks and minimal distortion, allowing for the production of high-quality plates. It features excellent wear resistance, particularly suitable for components subjected to severe grinding wear and erosion wear due to the precipitation of various carbides. 【Features】 ■ Main base material is soft steel ■ Overlay welded using a special automatic welding method ■ Extremely high hardness ■ Excellent wear resistance ■ High-quality plates can be produced with almost no cracks and minimal distortion *For more details, please refer to the PDF document or feel free to contact us.

• Other metal materials

"CEL TOP" is a wear-resistant steel plate that allows for the selection of the thickness of the hardened layer and can be manufactured to fit specific equipment. Until now, thin wear-resistant clad steel plates were only available as "EP-TOP," but this product can also be used as a high-grade version of "EP-TOP," making it suitable for areas where lightweight and long lifespan are required. [Features] ■ Selectable thickness of the hardened layer ■ Improved wear resistance ■ Cost reduction achieved *For more details, please refer to the PDF materials or feel free to contact us.

• Other metal materials

The "AD Series" is a welding rod suitable for repairs in die-casting molds and mold components, designed to address various troubles. This product can solve issues related to aluminum melt loss resistance and heat crack resistance that conventional products have faced. Additionally, it is safe as it does not contain "Co: Cobalt" or "Ni: Nickel," which are subject to specific chemical substance hazard prevention regulations. 【Features】 ■ Excellent resistance to melt loss and heat cracks ■ Does not contain components subject to specific chemical substance hazard prevention regulations *For more details, please refer to the catalog or feel free to contact us.

• Other molds
• Other metal materials