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stainless steel×TOKUSHU KINZOKU EXCEL CO., LTD. - List of Manufacturers, Suppliers, Companies and Products

stainless steel Product List

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Electromagnetic stainless steel "TDS-1" [Special Metal Excel]

Electromagnetic stainless steel "TDS-1" [Special Metal Excel]

Ferritic stainless steel with excellent "strength," "corrosion resistance," and "magnetic properties." No plating is required because it is stainless steel! The price is stable due to the 1% Ni content!

TDS-1 is a "high-performance ferrite-based stainless steel" that excels in "strength," "corrosion resistance," and "soft magnetic properties." It has a high magnetic flux density and low coercivity, making it excellent in magnetization, demagnetization, and magnetic shielding properties. By applying magnetic annealing, it can be used as electromagnetic stainless steel. The main features of TDS-1 are as follows: (1) Electromagnetic Stainless Steel It can be used as electromagnetic stainless steel by applying magnetic annealing. (2) Corrosion Resistance It has superior corrosion resistance compared to SUS430. (3) Conductivity at 42Ni Level The thermal expansion coefficient of TDS-1 is about half that of 42Ni, but its conductivity is equivalent, allowing for a 50% cost reduction when switching from 42Ni. (4) Numerous Switching Achievements There are many achievements in switching from various steel types such as 42Ni, phosphor bronze, SUY, and permalloy. Our company is also capable of manufacturing foils under 0.10mm and in small lots.

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High-quality ferritic stainless steel "FS-1" [Special Metal Excel]

High-quality ferritic stainless steel "FS-1" [Special Metal Excel]

Ferritic stainless steel with a nickel content of 1%. This material has improved corrosion resistance and strength compared to SUS430.

FS-1 is a unique steel grade developed by our company, which is a ferritic stainless steel that incorporates nickel (Ni) into the representative steel grade SUS430. This allows it to maintain the characteristics of ferritic stainless steel while providing a certain level of strength and corrosion resistance. It can also be used as an alternative to SUS304, which is commonly used in general environments. The main features of FS-1 are as follows: (1) Formability superior to SUS430 FS-1 has sufficient formability compared to SUS430, allowing for high-precision press processing without causing wrinkling. (2) Strength equivalent to SUS304 FS-1 can achieve full hardness with a hardness of HV330 and tensile strength of 1100 MPa (equivalent to the strength of SUS304-3/4H). (3) Minimal impact from fluctuations in nickel prices With a nickel content of only 1%, FS-1 is largely unaffected by fluctuations in nickel prices, enabling stable cost management.

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High-strength high-ductility stainless steel JIN(R) (Jin)【TOKKIN】

High-strength high-ductility stainless steel JIN(R) (Jin)【TOKKIN】

High ductility stainless steel that achieves high reliability through the combination of excellent machinability and high strength.

This material, developed through our unique construction method "JIN," possesses high strength and excellent workability that cannot be achieved with conventional manufacturing methods. The yield strength (YS) and elongation (EL) balance, reaching up to 35,000 MPa%, is at a world-class level and has received the 41st "Technology Development Award" from the Japan Society of Metals. We offer two steel types, TOKKIN 350 JIN and TOKKIN 301 JIN, which can be selected based on the required property values. It is also suitable as an alternative to precipitation-hardened stainless steels such as SUS631 and SUS632J1. 【Features】 - Achieves both high strength and high ductility - Low mechanical anisotropy - High design flexibility - No heat treatment required after processing - Stable dimensional accuracy *For more details, please refer to the PDF materials and related links, or feel free to contact us.

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Non-magnetic stainless steel [TOKUSHU KINZOKU EXCEL CO., LTD.]

Non-magnetic stainless steel [TOKUSHU KINZOKU EXCEL CO., LTD.]

It is stainless steel that can maintain non-magnetic properties even after processing! We will propose steel grades according to your usage conditions, such as the required level of non-magnetism.

SUS304, a representative type of austenitic stainless steel, is non-magnetic in its solution-treated state, but it becomes magnetic (more likely to be attracted to magnets) due to martensitic transformation during cold working. Therefore, there have been challenges such as the need to keep the processing rate low to maintain non-magnetism or sacrificing strength. Non-magnetic stainless steel is a type of steel that has been adjusted so that martensite is not induced (or is less likely to be induced) during cold working, allowing it to maintain non-magnetism even after processing. We can recommend types of steel based on your usage conditions, such as processing methods and required levels of non-magnetism.

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Precipitation Hardening Stainless Steel [TOKUSHU KINZOKU EXCEL CO., LTD.]

Precipitation Hardening Stainless Steel [TOKUSHU KINZOKU EXCEL CO., LTD.]

It is a material that has corrosion resistance as stainless steel while enhancing strength! We will propose steel types according to your application and processing methods.

Precipitation-hardened stainless steel is a material that possesses corrosion resistance as a stainless steel while utilizing precipitation hardening (aging) to enhance its strength. Particularly in the case of SUS631, in the annealed (solution heat-treated) state, it has a soft, metastable austenitic phase, allowing it to withstand complex processing similar to austenitic stainless steels. Additionally, by inducing precipitation hardening (heat treatment) after processing, it is possible to improve strength, achieving a combination of workability and high strength through heat treatment. Our company handles three types: SUS631 (17-7PH), SUS632J1 (15-7PH), and TOKKIN 350, and we can suggest steel types according to your applications and processing methods. *1 The general corrosion resistance ranking by system is austenitic > precipitation-hardened > ferritic. *2 Precipitation hardening refers to the artificial aging treatment performed after solution heat treatment, with the stainless steels in the 600 series and maraging steels introduced on this page being representative examples. For more details, please refer to the related links or feel free to contact us.

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Heat-treated stainless steel [TOKUSHU KINZOKU EXCEL CO., LTD.]

Heat-treated stainless steel [TOKUSHU KINZOKU EXCEL CO., LTD.]

This is heat-treated stainless steel. It is recommended for customers seeking the unique properties and hardness of stainless steel, as well as high quality!

Unlike carbon steel, which hardens through heat treatment, there are few materials that harden in this way, limited to precipitation hardening systems and medium to high carbon chromium stainless steels. Martensitic stainless steel, while being a type of stainless steel, has a higher carbon content, allowing it to be hardened significantly through quenching and tempering, similar to carbon steel. Most customers who use this material after quenching apply heat treatment after forming it into various products. However, in recent years, advancements in processing equipment and techniques aimed at rationalization have made it possible to produce efficient products with minimal variation, even from extremely hard materials like hardened steel strips and quenched steel strips, through continuous pressing or cutting. As a result, heat treatment after processing the product has become complicated in terms of quality control and work management, leading to lower productivity. Consequently, there is a growing trend to switch from quenching after forming to using pre-hardened steel strips. Our company responds to the needs of customers seeking the unique properties and hardness of stainless steel, as well as high quality, by providing pre-hardened stainless steel strips. *The quenching process for SUS420J2 is primarily conducted at our Shanghai factory. For more details, please refer to the related links or feel free to contact us.

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Stainless Steels for Springs [TOKUSHU KINZOKU EXCEL CO., LTD.]

Stainless Steels for Springs [TOKUSHU KINZOKU EXCEL CO., LTD.]

Materials specified in JIS G 4313 are used for spring applications because they can achieve high strength through cold working and heat treatment.

Our company handles five types of steel: SUS301, SUS304, SUS631, SUS632J1, and SUS420J2, allowing you to select the appropriate type based on your application, purpose, and required characteristics. We also accept orders for stainless steel foil and specifications that are not commonly available (such as thickness and heat treatment) in small lots, enabling us to provide you with the optimal condition. For more details, please refer to the related links or feel free to contact us.

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High corrosion-resistant stainless steels [TOKUSHU KINZOKU EXCEL CO., LTD.]

High corrosion-resistant stainless steels [TOKUSHU KINZOKU EXCEL CO., LTD.]

It is stainless steel with improved corrosion resistance, making it suitable for drawing applications.

This is a steel grade in which the nickel content of SUS 304, a representative austenitic stainless steel grade, is increased and molybdenum is added to further improve corrosion resistance. SUS304 with increased nickel and molybdenum addition= SUS316: Improved corrosion resistance (pitting corrosion, stress corrosion cracking, etc.) SUS316 with higher nickel, lower carbon = SUS316L ... + Improved intergranular corrosion resistance The "L" in SUS316L stands for low carbon. Highly corrosion-resistant stainless steel is also suitable for drawing applications because of its low carbon content and high nickel content, resulting in low hardness in the annealed state and less work hardening. Note that although non-magnetic in the solution heat-treated state, it becomes weakly magnetic after strong working. This grade of steel is difficult to obtain due to its relatively small distribution volume among thin stainless steels, but we also manufacture such materials with custom specifications. Please feel free to contact us for foil with a thickness of less than 0.10 mm, special dimensions, hard finishes, short delivery times, small lots, etc. For more details, please refer to the related links or feel free to contact us.

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Martensitic stainless steel [TOKUSHU KINZOKU EXCEL CO., LTD.]

Martensitic stainless steel [TOKUSHU KINZOKU EXCEL CO., LTD.]

It is a stainless steel that can achieve very high strength and can have a wide range of mechanical properties by adjusting the tempering conditions.

Stainless steel which has a higher Carbon content than ferritic stainless steel, and can be hardened by quenching (heat treatment) to create a martensitic structure. ■SUS420J2 is classified as a martensitic stainless steel, and although it is a stainless steel, can be hardened through quenching and tempering heat treatment. Because of its marketability, price, and usability, it is widely used in various fields. Our annealed finish makes the carbides completely spheroidized, making processing easier and has excellent hardenability. ■RB-S is classified as a martensitic stainless steel, and although it is a stainless steel, can be hardened through quenching and tempering heat treatment. With a higher Carbon content compared to SUS420J2, great hardening occurs during quenching, it has the highest level of hardness among stainless steels. Because it is quite hard even after annealing, less suitable for complex processing, but it is an ideal material for blades. ■RB-X is classified as a martensitic stainless steel, and although it is a stainless steel, can be hardened through quenching and tempering heat treatment. It has superior corrosion resistance than RB-S due to higher Chromium content and addition of Nickel and Molybdenum. Because its Carbon content is slightly lower than RB-S, the hardness after quenching is slightly lower. For more details, please refer to the related links or feel free to contact us.

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