日本高周波鋼業 List of Products and Services

Our company handles "stainless steel" as specified in JIS-G-4303 and JIS-G-4308 as our basic steel grades. We also have various melting facilities necessary for melting a range of special steels and special alloys. For hot processing equipment, we have forging presses, slab rolling mills, and wire rod rolling mills. For cold processing equipment, we are equipped with a variety of wire drawing facilities and combined machines. We have established a manufacturing system that responds promptly to customer needs, so please feel free to contact us when you need assistance. 【Features】 ■ Consistent quality assurance system ■ Flexible and responsive delivery times ■ Excellent cost performance ■ Manufacturing technology cultivated from bearing steel ■ Development of new products that meet customer needs *For more details, please refer to the PDF materials or feel free to contact us.

• stainless
• Other metal materials

In industries such as electronics and chemical manufacturing, materials that support current technologies require advanced corrosion resistance. Japan High Frequency's "corrosion-resistant materials" are materials that possess corrosion resistance against various corrosive environments, as well as mechanical properties, physical properties, and workability. Please utilize them in a wide range of applications, including food industry equipment, chemical plants, and electronic device components. 【Features】 ■ Corrosion resistance against various corrosive environments ■ Equipped with mechanical properties, physical properties, and workability ■ Unique manufacturing technology ■ Usable in a wide range of applications *For more details, please refer to the PDF materials or feel free to contact us.

• alloy
• Other metal materials

Introducing the "Corrosion-Resistant Electromagnetic Materials" handled by Nippon High Frequency. The advancements in automation and electronic control in industries, automobiles, and consumer/business equipment are remarkable, and the solenoids and electromagnetic valves used in these applications require strong magnetic properties and further corrosion resistance. Our company offers the "GDM Series" as high corrosion-resistant electromagnetic materials, and the "KTAS Series" as ultra-high corrosion-resistant electromagnetic materials. Please feel free to contact us when you need assistance. 【Features of the GDM Series (High Corrosion-Resistant Electromagnetic Materials)】 ■ GDM1: For cold forging, high corrosion resistance ■ GDM3: For cutting, wear-resistant, high resistivity ■ GDM4: For cutting, high corrosion resistance *For more details, please refer to the PDF materials or feel free to contact us.

• alloy
• Other metal materials

"Welding materials" used in various fields of industry require finely-tuned characteristics tailored to their specific applications. Our company responds to the stringent needs of the industry. We produce custom-made materials through suitable manufacturing methods. Additionally, we have received high praise from many customers in fields such as dissimilar metal welding in the chemical industry and construction machinery, as well as buildup welding for wear parts. [Features] - Connecting industry and metal with excellent characteristics - Responding to the stringent needs of the industry - Custom-made materials produced through suitable manufacturing methods - High evaluation in fields such as dissimilar metal welding and buildup welding for wear parts *For more details, please refer to the PDF document or feel free to contact us.*

• alloy
• Other metal materials

We would like to introduce "High-Strength Materials / Constant Elasticity Materials," which are essential in a wide range of industrial fields such as motors, tools, and aircraft parts, handled by Nippon High Frequency. "High-Strength Materials" include "precipitation-hardened stainless steel," which has excellent corrosion resistance, heat resistance, and high strength, as well as "maraging steel," which combines excellent toughness and weldability with high strength. Additionally, "Constant Elasticity Materials" do not experience changes in elastic modulus due to temperature fluctuations and are used in applications such as spring scales, watch components, and precision instrument parts. 【Features of High-Strength Materials】 <Precipitation-Hardened Stainless Steel> ■ Has corrosion resistance equivalent to stainless steel and possesses high strength. <Maraging Steel> ■ High strength and toughness, with heat resistance up to 400°C. ■ Good cold workability and weldability. *For more details, please refer to the PDF document or feel free to contact us.

• alloy
• Other metal materials

In the context of ICs that are becoming smaller and more densely integrated, materials that support cutting-edge micro technologies are required to have excellent properties in terms of thermal conductivity and thermal expansion coefficient. Japan High Frequency's "materials for electronic components" possess low thermal expansion and adhesion properties, achieving a stable thermal expansion coefficient. Additionally, "heating materials" have minimal variation in volume resistivity and are equipped with corrosion resistance, heat resistance, and workability, making them suitable for use in components such as heaters and resistors. 【Features】 ■ Materials for electronic components - Possess low thermal expansion and adhesion properties, achieving a stable thermal expansion coefficient ■ Heating materials - Minimal variation in volume resistivity - Equipped with corrosion resistance, heat resistance, and workability *For more details, please refer to the PDF document or feel free to contact us.

• alloy
• Other metal materials

At Nippon High Frequency, we provide high-quality "heat-resistant materials" that can withstand high temperatures and pressures, and possess acid resistance, corrosion resistance, toughness, and workability. These materials can be processed into forged products, machined parts, bars, and wires, and are widely used for components in automobiles, ships, chemical equipment, precision machinery, and more. Please feel free to contact us when you need assistance. 【Product Lineup (Partial)】 <Iron-based Alloys> ■KTA286 ■KTA800 ■KTA801 ■KTA802 *For more details, please refer to the PDF document or feel free to contact us.

• alloy
• Other metal materials

"GHX" is a high-quality plastic mold steel that combines excellent mirror finish and high corrosion resistance. Thanks to superior refining, special remelting, and heat treatment technologies, it achieves a homogeneous and ultra-high purity. A stable quality allows for a high mirror finish. Additionally, by performing quenching and tempering, a high hardness of 52 HRC is obtained, maintaining excellent wear resistance. There is minimal dimensional change during quenching and tempering, enabling the production of high-precision molds. [Features] ■ Outstanding mirror finish ■ Excellent corrosion resistance ■ Superior heat treatment characteristics *For more details, please refer to the PDF document or feel free to contact us.

• Special Steel
• Steel

The cold work tool steel "NOGA" has achieved the highest level of toughness, heat treatment dimensional stability, and machinability among cold work tool steels. It features an optimal steel structure for PVD treatment, demonstrating excellent performance in high-tensile forming molds and cutting tools. 【Features】 ■ Improved mold lifespan! ◎ Enhanced wear resistance → Optimal steel structure for PVD treatment ◎ Reduced chipping → Fatigue resistance and toughness improved by approximately 2 to 3 times ■ Improved mold manufacturing efficiency! ◎ Enhanced weldability → Reduced cracking issues in molds due to welding ◎ Achieved the best heat treatment dimensional stability → Significantly reduced heat treatment dimensional changes ◎ Achieved ultimate machinability → Machinability improved by 3 to 10 times compared to conventional modified SKD11 steel *For details, please request a catalog or view the PDF data available for download.

• Special Steel
• Steel

High-frequency forged products that contribute to the advancement of industries. We respond to a wide range of needs with high quality and speedy service through our integrated special steel manufacturing. At Japan High-Frequency Steel Industry, we have established an integrated system for special steel and utilize the know-how accumulated over many years to meet the advancing needs of the industrial sector. Our Toyama manufacturing facility is capable of producing a wide variety of steel types, including tool steel, structural steel, stainless steel, and special alloy steel, and we can also accommodate small lots and special specifications with meticulous attention. Our products are used in a wide range of applications, playing a crucial role in various fields such as energy, plants, automobiles, industrial machinery, construction machinery, aircraft, shipbuilding, and electronics. *For more details, please request materials or view the PDF data available for download.

• Special Steel
• Steel

The cold work tool steel KD11S has been reborn as the newly developed KD11MAX, which improves machinability and minimizes dimensional changes during heat treatment, enabling a reduction in mold manufacturing time and costs. Additionally, the durability of the molds has been enhanced, making it a state-of-the-art cold work tool steel with excellent balance due to improvements in wear resistance, toughness, and fatigue characteristics. Cold work tool steel is widely used in various applications, including cold pressing, rolling, and industrial cutting tools, particularly in the automotive industry, and it can accommodate most applications. 【Features】 ■ Excellent surface treatment characteristics ■ Improved mold lifespan, addressing issues related to cracking and chipping ■ Superior heat treatment dimensional stability ■ Reduction in processing time and costs for mold production *For more details, please request materials or view the PDF data available for download.

• Special Steel
• Steel

This is the "Comprehensive Tool Steel Catalog" from Nippon High Frequency Steel Co., Ltd. It features a variety of products including the evolving cold work die steel "KD11S," general-purpose low alloy cold work tool steel "KRCX," high-performance die casting steel "KDAMAX," general-purpose die casting steel "KDA1S," and general-purpose plastic mold steel "KPMAX," among others. 【Featured Products】 ■ Evolving cold work die steel "KD11S" → Recipient of the Japan Society for Technology of Plasticity Award for Technical Development → Dramatically improved machinability through carbide morphology control ■ General-purpose low alloy cold work tool steel "KRCX" → Astonishingly improved machinability, toughness, and hardenability ■ High-performance die casting steel "KDAMAX" → Ideal for large and high-performance die casting molds, hot forging molds, and aluminum extrusion molds ■ General-purpose die casting steel "KDA1S" → Maintains the high performance of KDA1 while improving machinability ■ General-purpose plastic mold steel "KPMAX" → Offers good machinability and uniform hardness up to the center *For more details, please request the materials or view the PDF data from the download section.

• Special Steel
• Steel

It is a product made of iron with excellent properties known as "special steel." In the factory, instead of producing a single type of product in large quantities, various types of products are made in small amounts. Therefore, there are many different types of machines in the factory, and the shapes of the products vary, including wires, bars, and plates. 【Items Included】 ■ What is iron? → When iron is melted and mixed with metals, various properties of iron can be created. → Unused iron can be melted down and reused (it can be recycled). ■ What is special steel? → It is the "unsung hero" used in various products. ■ How is special steel made? → Iron is melted and solidified, transforming into various shapes. → Shaping, cold working, machining, annealing, pickling, wire drawing. ■ Commitment to environmental conservation. *If you would like the materials, please view them via PDF download.

• Special Steel

The surface treatment coating KS-G for high-strength steel sheet forming has high surface pressure resistance, wear resistance, and heat resistance. This surface treatment meets the needs of customers who have been struggling with distortion during film formation with previous treatments. It allows for conventional pressing even with high-strength materials exceeding 780 MPa. 【Features】 ■ High surface pressure resistance → Possesses excellent surface resistance and does not break under high surface pressure. ■ Wear resistance → Does not wear even during harsh press forming. ■ Heat resistance → No degradation of coating performance at high temperatures. ■ Conventional pressing is possible even with high-strength materials exceeding 780 MPa. *For more details, please request documentation or view the PDF data available for download.

• Other surface treatment equipment

Cold Work Tool Steel "NOGA" achieves the highest level of toughness, heat treatment dimensional stability, and machinability among cold work tool steels. It has an optimal steel structure for PVD treatment, demonstrating performance in high-tensile forming molds and cutting tools. Additionally, the surface treatment coating is difficult to peel off, which can improve the lifespan of molds used for bending and drawing in high-tensile processing. 【Features】 ■ Improved galling resistance → Optimal steel structure for PVD treatment → Surface treatment coating is difficult to peel off → Possible improvement in the lifespan of molds used for bending and drawing in high-tensile processing ■ Reduction of chipping → Significant reduction of coarse carbides and inclusions, improving fatigue resistance and toughness by 2 to 3 times ■ Improved weldability → Alloy design that reduces welding cracks, minimizing mold cracking due to welding ■ Achieves the best heat treatment dimensional stability → Significant reduction in heat treatment dimensional changes, reducing the assembly work for molds ■ Achieves ultimate machinability → Improved machinability, enabling reduction in processing costs and shortening of processing time *For details, please request documentation or view the PDF data from the download.

• Special Steel
• Steel

Cold work tool steel KRCX is the most suitable cold work tool steel for frame hardening. KRCX improves hardenability, toughness, and weldability, and allows for overall hardening through heat treatment. 【Main Features】 ■ Excellent hardenability → The hardening temperature range is wide, from 850°C to 1030°C, allowing for hardening under the same conditions as SKD11 and SKS3. → Hardness of 60 HRC is achievable under the 1030°C gas cooling hardening conditions. ■ Excellent toughness → Due to its superior toughness, it can reduce chipping and cracking. ■ Excellent weldability → Mold repair through welding is easy. ■ Wide range of applications → Can be widely used for molds, parts, and tools as a general-purpose cold work tool steel. *For more details, please request materials or view the PDF data from the download section.

• Special Steel
• Steel

KDAMAX hot work tool steel is a high-performance steel for hot die casting that improves cracking from water cooling holes and corner R areas, which are causes of early mold life. It has good heat check resistance in complex mold shapes and suppresses large cracks in water from water holes. The hardenability has been enhanced to reduce toughness degradation due to large parts. 【Features】 ■ Excellent heat check resistance - Good heat check resistance in complex mold shapes - Allows for extended life at complex stress concentration areas, such as mold corner R sections, to accommodate thinner products ■ Suppression of large cracks in water from water holes - Prevents large cracks from water holes caused by underwater embrittlement due to rust ■ Excellent hardenability - Enhances hardenability to mitigate rust-related degradation due to large parts *For more details, please request documentation or view the PDF data available for download.

• Special Steel
• Steel

The hot work tool steel KDA1S is a new type of general-purpose die-casting material that achieves excellent durability and cost reduction. It excels in machinability, toughness, and heat softening resistance after quenching and tempering. For more details, please contact us or download the catalog. 【Features】 ■ Excellent heat check resistance - Cracking is less likely to progress and is fine - Heat check cracks are fine, and crack propagation is slow ■ Excellent machinability after quenching and tempering ■ Excellent toughness ■ Excellent heat softening resistance *For more details, please request materials or view the PDF data from the download.

• Special Steel
• Steel

High-speed steel KMX1 is a type of high-speed tool steel for warm and hot working that combines excellent high-temperature strength, toughness, and heat shock resistance, with high hardness (over 50 HRC). 【Main Features】 ■ Excellent high-temperature strength ■ Excellent toughness and heat shock resistance → Provides stable tool life at high temperatures ■ Stable nitriding characteristics → Achieves a stable nitrided layer with high resistance to softening, resulting in excellent thermal fatigue life ■ Suitable for warm and hot forming molds that require strength and toughness at high temperatures *For more details, please request materials or view the PDF data from the download section.

• Special Steel
• Steel

High-speed steel KMX2 has wear resistance comparable to high-speed steel and significantly improves the toughness of high-speed steel and cold-work tool steel. It is a high-speed tool steel for cold and warm plastic processing. For more details, please contact us or download the catalog. 【Main Features】 ■ Excellent Toughness → More than three times the impact resistance of SKH51 and approximately 1.2 times the resistance to softening ■ Excellent Wear Resistance → Achieves hardness of 58 HRC or higher easily, with wear resistance comparable to SKH51 in low-speed wear conditions ■ Safe for Warm Use → Provides high-temperature softening resistance equivalent to that of SKH51 *For more details, please request materials or view the PDF data from the download.

• Special Steel
• Steel

High-speed steel KMX3 combines high wear resistance and high toughness, achieving a hardness of over 64 HRC with excellent cost performance, making it suitable for cold plastic processing high-speed tool steel. For more details, please contact us or download the catalog. 【Main Features】 ■ Excellent Cost Performance → Offers performance equivalent to SKH51, providing high cost performance. ■ Excellent Toughness → With toughness superior to SKH51, it reduces cracking and chipping, which are common causes of short tool life. ■ Reliable Tool Life → Achieves a hardness of over 64 HRC and has wear resistance comparable to SKH51, allowing for reliable use as a tool. *For more details, please request materials or view the PDF data from the download.

• Special Steel
• Steel

Microfine Steel KPMAX is a versatile plastic mold steel of the Hs30 type, excelling in the balance of various characteristics required from mold manufacturing to product molding. 【Main Features】 ■ Excellent Machinability → Total machining time for molds is reduced by 20-50% compared to JIS S55C. ■ Stable Hardness Throughout → Hardness is improved compared to JIS S55C, achieving uniform hardness even in the core. ■ Excellent Weld Repairability → Lower HAZ hardness compared to JIS S55C makes cutting and polishing after repair easier. ■ Satisfactory Texture Processing and Mirror Finish → Uniform structure and hardness allow for texture processing and mirror finish equal to or better than JIS S55C. *For more details, please request materials or view the PDF data available for download.

• Special Steel
• Steel

KPM30 plastic mold steel is a versatile type of plastic mold steel with a hardness of 30 HRC, excelling in total balance from mold manufacturing to forming. 【Main Features】 ■ Excellent weld repairability → Improved sensitivity to welding cracks ■ Machinability that enhances tool life → Excellent machinability, leading to expected improvements in tool life and processing efficiency ■ Mirror finish and texture processing enhanced to the limit ■ Stable hardness even in the center, ensuring safety for deep engraving → Improved hardenability, achieving uniform hardness within the material

• Special Steel
• Steel

Micro Fine Steel KAP65･88 is a high-quality plastic mold steel of the 40HRC type, hardened by the precipitation of Ni-Al intermetallic compounds. For more details, please contact us or download the catalog. 【Main Features】 ■ Excellent machinability → KAP65 combines high hardness of 40HRC with excellent machinability. ■ High-quality mirror finish and texture processing → KAP88 is characterized by ultra-mirror finishing and high-quality texture processing. ■ Good weldability → KAP does not harden in the heat-affected zone during welding and homogenizes over time. ■ Excellent electrical discharge machinability → KAP does not produce a hardened layer due to electrical discharge heat, making it excellent for electrical discharge machining. *For more details, please request materials or view the PDF data from the download.

• Special Steel
• Steel