Stainless Steels Foils (Under t0.10mm)【TOKUSHU KINZOKU EXCEL CO., LTD.】
For custom stainless steel foils with selectable grades, thicknesses, and finishes, turn to TOKKIN. We also offer flexible support for prototypes and samples.
With the evolution of smart devices such as smartphones and the computerization of automobiles, the number of electronic components installed in a device has been increasing and the parts inside of the device has become closely spaced. As a result, they have become smaller and lighter, and the metal materials of them are now required to be thinner and stronger. We offer not only thin stainless steel foils, but also propose the appropriate steel grade and temper depending on specific application and use requirements, such as strength, workablility, magnetism, and corrosion resistance.
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basic information
<<Manufacturable Range>> Thickness:0.010-0.099mm ※Capable of producing metal foils thinner than 10 μm — “GOKUHAKU” Ultra-Thin Foils. Width :3.0-300mm Legth:COIL or SHEET less than 2000mm <<Features>> (1)Selectable Steel Grades and Tempers In addition to hard materials such as SUS304-H, we also produce 2B finish (soft material) and steel types and tempers that are not available in the market.. We contribute to solving our customers' problems. (2)Small Lots Custom Made Materials We can produce custom made materials in small lots.(Allowarable range: thickness under 0.010mm, quantity under 50kg) You will be able to reduce inventory risk. (3)Available for Very Small Lots and Short Delivery Times for Samples For Sample Materials for initial prototyping, we will provide a single postcard size sheet with a short lead time if we have material in stock. We contribute to our customer's development speed. Please dowlnload data sheet for more details.
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※Specifications vary depending on the material and quantity, so please feel free to contact us for details.
Applications/Examples of results
<<Manufacturing Results (examples of materials)>> Austenitic Stainless Steels:SUS301, SUS304, TOKKIN 305M, SUS316L Ferritic Stainless Steels:SUS430, FS-1 Precipitation Hardening Stainless Steels:SUS631(17-7PH), SUS632J1(15-7PH), TOKKIN 350 <<Examples of Applications>> Razor Blade Guard, Electrostatic Chuck, Washer/Shim, Micropump, Heater (Surface Heating Element)), Tact Switches/Membrane Switches, Camera components, Antennas, FPC
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| Model number | overview |
|---|---|
| SUS301 | [Austenitic stainless steel] This grade becomes high-strength through cold rolling, making it ideal for spring applications. |
| SUS304 | [Austenitic stainless steel] A versatile general-purpose grade suitable for spring applications as well as a wide range of other uses. |
| TOKKIN 305M | [Austenitic stainless steel] Designed to suppress magnetization caused by cold working while offering excellent formability. Suitable for deep drawing and applications where magnetism must be avoided. |
| SUS316L | [Austenitic stainless steel] An alloyed version of SUS304 with added Ni and Mo, offering excellent resistance to intergranular corrosion. |
| SUS430 | [Ferritic stainless steel] A representative 16Cr ferritic stainless steel grade that exhibits permanent magnetism. |
| FS-1 | [Ferritic stainless steel] An improved grade based on SUS430, offering higher strength and better corrosion resistance. |
| SUS631 (17-7PH) | [Precipitation-hardening stainless steel] Retains the excellent properties of austenitic stainless steel while allowing strength enhancement through heat treatment. Well suited for spring applications. |
| SUS632J1 (15-7PH) | [Precipitation-hardening stainless steel] Requires only a single precipitation-hardening heat treatment. Offers high hardness even in the solution-treated condition, making it suitable for welded components. |
| TOKKIN 350 | [Precipitation-hardening stainless steel] Features high fatigue strength, making it ideal for bellows, diaphragms, and similar applications. |
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TOKKIN's materials are everywhere around you, even though you can't see them! TOKKIN is a precision metal materials manufacturer founded in 1940. We produce high-quality, high-value-added materials according to the each customer specifications, such as processing metals into thin strips or sheets by cold rolling to improve mechanical properties, cladding different materials to form a single material, and applying resin or solder to metal surfaces. Our materials are used in a wide range of products, from daily life gadgets such as smart devices, PCs, automobiles, and game consoles to industrial equipment such as semiconductor manufacturing equipment, medical equipment, and textile machinery. Although our material is mostly invisible, it plays an indispensable role in ensuring that the products and their supporting components function well. High-functional materials, made possible only by TOKKIN, support the technologies that are created one after another behind the scenes.







