Last Updated： Aggregation Period:Apr 08, 2026～May 05, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Apr 08, 2026～May 05, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Apr 08, 2026～May 05, 2026
This ranking is based on the number of page views on our site.
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Stainless steel wire for water-resistant hydrogen embrittlement springs
It has hydrogen embrittlement resistance characteristics under conditions of 70 MPa and -45°C, such as in hydrogen stations.
RoHS compliant product
It is a stainless steel wire spring!
RoHS compliant products
Spring stainless steel wire
Suggesting the optimal information according to the purpose.
The stainless steel wire for fasteners provided by SHINKO offers excellent durability and strength, and we propose optimal information for selecting materials, tools, and lubricants according to applications such as small screws, tapping screws, bolts, and nuts.
Selection from a wide range of steel grades depending on usage conditions and processing methods.
Stainless steel is prevalent in everyday life, including kitchenware, DIY supplies, and bicycles. We also provide information on optimal material selection considering processing methods such as electroplating and welding, as well as material properties like gloss and rigidity.
Stainless steel wire for construction and building is increasingly expanding its applications in response to the demands of the times.
SHINKO will select the optimal steel type and variety based on its abundant "experience" and new "information," as well as the usage and processing conditions.
This is a high-strength stainless steel wire for high-strength springs, excellent in corrosion resistance.
EX-SUS is a high-strength stainless steel wire for high-strength springs that excels in corrosion resistance. It has a higher tensile strength than SUS304-WPB. After tempering, it achieves a strength equivalent to piano wire type B, with processability comparable to SUS304-WPB and corrosion resistance equivalent to SUS304. It also allows for a wider range of tempering temperature conditions than SUS304-WPB (300°C to 450°C). 【Features】 - High strength and excellent corrosion resistance - Higher tensile strength than SUS304-WPB - Achieves strength equivalent to piano wire type B after tempering - Processability equivalent to SUS304-WPB and corrosion resistance equivalent to SUS304 - Allows for a wider range of tempering temperature conditions than SUS304-WPB For more details, please contact us or download the catalog.
To improve workability, the stainless steel wire for springs is coated with nickel.
Most of the "spring stainless steel wire" has a nickel plating on its surface. The purpose of the nickel plating is to improve the sliding of the material and enhance the workability of spring processing (especially coiling processing). In fact, when coiling is done using "bare wire" without nickel plating, the material tends to stick to the mold, making the process unsuccessful. However, since "bare wire" has better corrosion resistance, there may be cases where its use is essential depending on the customer's application. The spring (part of it shown in the photo) was coiled using SUS304-WPB, and then the plating was removed. This allows for both workability (cost) and corrosion resistance to be satisfied. By performing barrel polishing as a finishing touch, a gloss like that in the photo can also be achieved. If you have any issues with springs or wire forming, please feel free to consult us. Our technical staff will respond carefully. Tsurugaoka Spring Co., Ltd. Contact: Ujiie Phone: 0235-22-0407 FAX: 0235-22-0546 Email: web@tohj.com We also support web meetings.
We are a group of experts with the technology to process wire materials (metal wires).
Our company utilizes the wire drawing technology cultivated over a long history to manufacture a variety of products, primarily focusing on stainless steel wire. We can produce not only straight wires in square or round shapes but also specialty wires with grooves and those with regular twists. Our technology is also utilized in everyday automotive parts and fiber optic cables. Please feel free to contact us if you have any inquiries. 【Products Offered】 ■ Stainless steel wire ■ Special stainless steel wire ■ Stainless steel specialty wire ■ Titanium wire ■ Aluminum specialty wire *For more details, please download the PDF or contact us.
Introducing the features of the new wire drawing machine's winding equipment in a four-panel comic!
We would like to introduce the fourth installment of the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakae. The new winding equipment for the stretching machine is equipped with various functions, making it difficult to produce defective products. With automatic control features such as "auto traverse function" and "automatic bobbin edge detection function," it becomes possible for the first time to wind fine wires (up to ultra-fine wires) onto "internal taper type bobbins (open reels)." You can view the continuation of the four-panel manga on our company website. 【Functions】 ■ Auto traverse function ■ Automatic bobbin edge detection function ■ R correction function for bobbin corners *For more details, please refer to the related links or feel free to contact us.
Introducing "Rust Formation" due to salt content in a four-panel comic!
We would like to introduce the fourth-panel manga "Go for it!! Bobin-kun" by Nobu Sakai, <Episode 6>. When salt absorbs moisture, it behaves as a solution, and when chlorine ions react with the passive film on the stainless steel surface, it destroys the passive film. If "self-recovery" cannot keep up during this process, rust occurs. By adding about 2-3% Mo (molybdenum) to SUS304, which is a representative type of austenitic stainless steel, the "corrosion resistance" improves, providing a measure to prevent "rust formation" due to salt. You can view the continuation of the four-panel manga on our company website. [Overview] - Salt has the property of absorbing surrounding moisture and turning into a solution (hygroscopicity), so if left attached, it will absorb moisture from the surroundings and become a "cause of rust." - Selecting the appropriate type of stainless steel is very important for its use. *For more details, please refer to the related links or feel free to contact us.
Introducing important product labels for materials in a four-panel comic!
We would like to introduce the fourth installment of the four-panel manga "Go for it!! Bobin-kun" by Nobuaki Sakai. Our products always come with a product label attached. Products without a label are treated as "label-less products" and cannot be handled as normal compliant products; essentially, they are treated as "scrap (waste)." You can view the continuation of the four-panel manga on our company website. 【Label Items (Example)】 ■ Steel Type/Finish (Heat Treatment Code) ■ Nominal Wire Diameter ■ Actual Weight (Net Weight) ■ Steel Number (HEAT No.) ■ Length of Bar (Set Value) ■ Product Lot No. + Product Serial No. *For more details, please refer to the related links or feel free to contact us.
Introducing our product lineup in a four-panel comic!
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakae, <Episode 11>. Our company primarily specializes in the drawing of stainless steel fine wire, but our product lineup includes various types of metals such as titanium, pure nickel, nickel high alloys, nichrome wire for heating (type 1), iron-chromium wire for heating (types 1 and 2), Inconel wire, and more. You can view the continuation of the four-panel manga on our company website. 【Metals We Handle】 ■ Titanium ■ Pure Nickel ■ Nickel High Alloys ■ Nichrome Wire for Heating (Type 1) ■ Iron-Chromium Wire for Heating (Types 1 and 2) ■ Inconel Wire, etc. *For more details, please refer to the related links or feel free to contact us.
Even if the shape changes, the mass (weight) remains the same! Introducing stretching wire in a four-panel manga.
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Seki, <Episode 14>. Drawing wire refers to the process of elongating a wire. For example, in the case of stainless steel wire SUS304 (specific gravity: 7.93), the mass of φ0.80mm × 1m is 0.00399kg (approximately 4g), and the mass of φ0.080mm × 100m is also 0.00399kg (approximately 4g). Although the shape changes, the mass (weight) remains the same. This is the result of the wire drawing process. You can view the continuation of the four-panel manga on our company website. [Overview] ■ Wire drawing is a type of plastic processing, where the shape changes due to processing (external force). * For more details, please refer to the related links or feel free to contact us.
Use for predictions and calculations! Introducing the base material wire diameter in a four-panel comic.
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakai, <Episode 16>. The wire diameter of the base material will be determined according to the final finished wire diameter. In the case of annealed (heat-treated) finishing, annealing (heat treatment) will be applied at the end, so as long as it is normally possible to draw the wire, the selection of the base material wire diameter can be either φ0.80mm or φ1.00mm. You can view the continuation of the four-panel manga on our company website. [Overview] ■ "Soft (finished) wire" is finished with annealing (heat treatment) applied at the end of processing. ■ "Hard (finished) wire" has annealing (heat treatment) applied before the finishing drawing. *For more details, please refer to the related links or feel free to contact us.
Continuous contact with the diamond part! Introducing the wire drawing process in a four-panel comic.
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakae, <Episode 19>. The die is the key to wire drawing, truly the "lifeblood." The processing occurs when the wire material being drawn continuously contacts the diamond portion embedded within the die, and this is referred to as "drawing processing" or "wire drawing processing." You can view the continuation of the four-panel manga on our company website. 【Die, Pass, Schedule (Partial)】 ■ Pass No. 1 ・Schedule: Φ0.740mm ・Reduction Rate: 14.4% ・Cumulative Reduction Rate: 14.4% *For more details, please refer to the related links or feel free to contact us.
Introducing the product label that is always attached to our products in a four-panel comic!
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobuaki Sakai, <Episode 21>. Products by Nobuaki Sakai always have a product label attached. Products without a product label cannot have their manufacturing history traced, which means we cannot guarantee exactly what that product is. You can view the continuation of the four-panel manga on our company website. [Example of Product Label (Excerpt)] ■ Steel Type / Finish (Heat Treatment Code) ■ Nominal Wire Diameter ■ Measured Weight per Unit Length ■ Steel Plate ■ Length of Bar (Set Value) *For more details, please refer to the related links or feel free to contact us.
If the opening area ratio is small, it becomes a tightly woven wire mesh! Introducing plain woven wire mesh in a four-panel comic.
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakai, <Episode 25>. Plain weave wire mesh has vertical and horizontal wires that maintain a consistent spacing and interweave one by one. When the open area ratio is small, the mesh becomes tightly woven. For example, if the wire diameter increases, even with the same mesh, the openings become tighter, resulting in a smaller open area ratio. You can view the continuation of the four-panel manga on our company website. 【Plain weave wire mesh with φ0.23mm ✕ 40 mesh】 ■ Wire diameter: φ0.23mm ■ Mesh (Meshes per Linear Inch): Number of openings on one side per inch: 40 mesh ■ Open area ratio: 40.7% ■ Aperture size: 405µm ■ Weight per square meter: 1.078kg (for SUS304) / 1.085kg (for SUS316/316L) *For more details, please refer to the related links or feel free to contact us.
A loom of the appropriate size is needed for that width! Introducing plain woven wire mesh in a four-panel comic.
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakai, <Episode 26>. Mesh refers to "the number of mesh openings on one side, measured from the center of the wire material to the center, over a distance of 25.4mm (1 inch)." It is generally produced in a width of 1,000mm, but depending on the application, if that width is insufficient, various widths of wire mesh such as 1,210mm, 1,524mm, and 1,800mm will be manufactured. You can view the continuation of the four-panel manga on our company website. 【Business Activities】 ■ Wire drawing processing of metal wire, including heat treatment ■ Manufacturing and sales of fine to ultra-fine wire *For more details, please refer to the related links or feel free to contact us.
A comparison chart of titanium's corrosion resistance is also included! An explanation of the properties of metals through a four-panel comic.
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakai, <Episode 28>. Metals each have their own characteristics, with some being "strong" and others "weak." The type of metal and steel should be correctly selected according to their intended use and the environment in which they will be used. You can view the continuation of the four-panel manga on our company website. 【Business Activities】 ■ Wire drawing processing of metal wires, including heat treatment ■ Manufacturing and sales of fine to ultra-fine wires *For more details, please refer to the related links or feel free to contact us.
The steel type should be correctly selected according to the intended use and the environment in which it will be used!
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakai, <Episode 29>. Metals each have their own characteristics, with some being "strong" and others "weak." Stainless steel is "Stain(less) Steel," meaning it is resistant to rust, but it is not "rust-proof steel." Therefore, it is important to understand and use it as such, and selecting the appropriate steel type is crucial when using it. You can view the continuation of the four-panel manga on our company website. 【Major Categories of Stainless Steel】 ■300 Series: Austenitic ■400 Series: Ferritic/Ferritic-Austenitic/Martensitic ■600 Series: Precipitation Hardening *For more details, please refer to the related links or feel free to contact us.
Introducing processing and applications suitable for the properties of rigid wires in a four-panel comic!
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" <Episode 31> by Nobu Sakai. Hard drawn wire is characterized by high tensile strength (breaking strength), low elongation, and elastic (spring-like) properties. It is used in processing and applications that are suitable for these characteristics. In the case of wire materials, the typical applications are "springs" and "twisted wire (ropes)." "Springs" are used as single wires (one piece), while "twisted wire (ropes)" are made by twisting multiple wire materials together. You can view the continuation of the four-panel manga on our company website. 【Business Content】 ■ Wire drawing processing of metal wires, including heat treatment ■ Manufacturing and sales of fine to ultra-fine wires *For more details, please refer to the related links or feel free to contact us.
Generally, it explains that "7-strand wire" is the "basic form" of twisted wire!
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakai, <Episode 32>. "Twisted wire (rope)" is made by twisting together multiple wire materials. It is a collection of single wires (one strand). The more wire materials that make up the rope, the thinner each individual wire will be if the finished rope diameter remains the same. You can continue reading the four-panel manga on our company website. 【Business Activities】 ■ Drawing processing of metal wires, including heat treatment ■ Manufacturing and sales of fine to ultra-fine wires *For more details, please refer to the related links or feel free to contact us.
Introducing stainless steel wire for springs! Bobbin-wound WPB wire made according to JIS G 4314 standards.
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakae, <Episode 36>. Specifications for stainless steel hard wire = JIS G 4314 Stainless steel wires for springs There are regulations regarding tensile strength, torsional properties, and straightness. You can view the continuation of the four-panel manga on our company website. 【Business Activities】 ■ Wire drawing processing of metal wires including heat treatment ■ Manufacturing and sales of fine to ultra-fine wires *For more details, please refer to the related links or feel free to contact us.
What is the difference between ropes and springs made according to the same standards? Introducing it with a four-panel comic!
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakai, <Episode 37>. The allowable tolerances for wire diameter and eccentricity are specified, and within this range of standard values, we will adjust the target values in manufacturing (drawing) according to the application to produce each product appropriately. You can view the continuation of the four-panel manga on our company website. 【Standards for Stainless Steel Hard Wire】 ■JIS G 4314 Stainless Steel Wire for Springs (excerpt) *For more details, please refer to the related links or feel free to contact us.
Various quality controls are required for spring wire materials! Introducing the technology, effort, and cost through a four-panel comic.
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" <Episode 39> by Nobu Sakai. To ensure the production of high-quality spring products, or to minimize the defect rate when customers manufacture spring products, various quality controls are required for spring wire materials. You can view the continuation of the four-panel manga on our company website. [Examples of Required Quality] ■ Coil Diameter FCD (Free Coil Diameter) ■ Jump Up JU (Jump Up) ■ Free Jump Up FJU (Free Jump Up) ■ Waviness *For more details, please refer to the related links or feel free to contact us.
In reality, the "product delivery specifications" and "product unit price (@ yen/kg)" are equal!
We would like to introduce the four-panel manga "Go for it!! Bobin-kun" by Nobu Sakai, <Episode 42>. It is true that we often exchange "Product Delivery Specifications" with our customers later on, but in reality, I believe that "Product Delivery Specifications" and "Product Unit Price (@ yen/kg)" are equivalent. This is because the manufacturing cost (and delivery time, by the way) for producing and delivering that product varies depending on the product specifications and quality. You can view the continuation of the four-panel manga on our company website. 【Business Activities】 ■ Wire drawing processing of metal wires, including heat treatment ■ Manufacturing and sales of fine to ultra-fine wires *For more details, please refer to the related links or feel free to contact us.
