秋山精鋼 List of Products and Services

This catalog introduces the "ASK products" handled by Akiyama Seiko Co., Ltd. It features "ASK Lead (Pb) Free Steel," which allows for a transition to lead-free products without changing the design while maintaining productivity, as well as "ASK High-Performance Steel," which possesses various characteristics such as hardness, corrosion resistance, and machinability, among others. Additionally, it presents the "systematic diagram" of free-cutting steel and stainless steel, along with a rich "lineup." For more details, please refer to the related catalog. [Contents (excerpt)] ■ Quality of ASK ■ Features of ASK products ■ ASK Lead (Pb) Free Steel ■ High-Performance Steel *For more information, please refer to the PDF materials or feel free to contact us.

• Steel

The Pb-FREE steel ASK-500F has been born!! Achieving the same machinability as conventional steel types without the addition of Pb. ASK-1100B is a lead-free high-carbon free-cutting steel with astonishing machinability based on SK95. 【Features】 Does not contain lead (Pb) as a free-cutting component, fully compliant with RoHS directives and REACH regulations. *Does not contain environmentally hazardous substances. By adding Bi, SUJ2 ASK-500F (SK+Pb) achieves the same heavy cutting performance as the conventional ASK-500F. *Ultra-precision cutting is possible. *Long-duration cutting is possible. *High-speed cutting is possible.

• Special Steel

The Pb-FREE steel of ASK-2600 is born! It offers cutting performance equal to or better than conventional steel types, making heavy cutting possible. Achieving the industry's first "super" easy-cutting steel that is lead-free. Introducing a lead-free low-carbon super easy-cutting steel with astonishing machinability based on S10C! 【Features】 Does not contain lead (Pb) as a cutting component, Fully compliant with RoHS directives and REACH regulations. * Does not contain environmentally harmful substances * According to RoHS standards, steel types with lead content below 0.1% are classified as 'lead-free.' By adding Bi, it achieves heavy cutting performance equal to or better than the conventional ASK-2600. * Ultra-precision cutting is possible * Long-duration cutting is possible * High-speed cutting is possible

• Special Steel

"ASK-3900" is a martensitic stainless steel that combines hardness comparable to SUS440C and corrosion resistance equivalent to SUS630. Biological safety tests conducted (GLP standards) Negative confirmation obtained through cell characteristics/skin sensitization/intradermal reaction tests. *Suitable characteristics for surface contact equipment such as steel small parts. 【Features】 ■ By suppressing primary carbides, it achieves better machinability than SUS440C. ■ By adding Cr, Mo, and N, it achieves corrosion resistance exceeding SUS420J2 and SUS440C, comparable to SUS630 and 303. ■ Achieves approximately 1.6 times the cold workability of SUS440C. ■ By adding C and N, it achieves hardness comparable to SUS440C, exceeding SUS420J2. *For more details, please refer to the PDF document or feel free to contact us.

• stainless

The Pb-FREE steel ASK-3500A is born!! Achieving machinability equivalent to conventional steel types without the addition of lead. It is a lead-free martensitic stainless steel based on SUS410 with astonishing machinability.

• stainless

"Free-cutting steel" is a type of steel that has improved machinability after cutting by adding free-cutting elements such as S, Pb, and Te to commonly used carbon steel and tool steel, enhancing their machinability. We offer a lineup that includes representative "low carbon free-cutting steel," which is S10C with appropriate amounts of S, Pb, Te, and others, as well as "medium to high carbon free-cutting steel" that guarantees hardening hardness. With the theme of "easier cutting and high precision," we respond to various demands from different fields. 【Features】 ■ Addition of free-cutting elements such as S, Pb, and Te to carbon steel and tool steel ■ Steel with improved machinability ■ Compatible with various cutting properties *For more details, please refer to the PDF materials or feel free to contact us.

• stainless
• Special Steel

Akiyama Seiko Co., Ltd. is a materials manufacturer that procures wire rods from raw material manufacturers and processes and sells rebar using dedicated manufacturing equipment. We specialize in special steel among various types of steel and handle a wide range of steel grades, including our original free-cutting steel. Additionally, we aim to develop sustainably alongside our customers and suppliers. To achieve this, we are committed to further improving the precision and processing of each product, reducing environmental substances, and pursuing research and development for new functionalities. 【Business Description】 ■ Manufacturer of secondary processed products made from special steel used in precision machinery and electronic equipment components (free-cutting stainless steel, free-cutting steel, medium carbon steel, high carbon steel, etc.) *For more details, please refer to the PDF document or feel free to contact us.

• stainless
• Special Steel

The "ASK-3200R" is a ferritic ultra-cutting stainless steel that achieves machining performance and corrosion resistance equivalent to conventional steel grades without the addition of lead (Pb). It offers excellent machinability in stainless steel and corrosion resistance comparable to SUS303 while complying with environmental regulations. Additionally, by adding S, Bi, and Te, it achieves eight times the machinability of SUS303. 【Features】 ■ Achieves eight times the machinability of SUS303 ■ Realizes corrosion resistance equivalent to SUS303 by increasing Cr and Mo ■ Does not contain lead (Pb) as a cutting component, complying with RoHS directives and REACH regulations ■ Has a magnetic retention equivalent to S10C ■ Can also be used as a free-cutting electromagnetic stainless steel *For more details, please refer to the PDF document or feel free to contact us.

• stainless

The "ASK-3200" is a ferritic ultra-cutting stainless steel based on SUS430, with astonishing improvements in machinability and corrosion resistance. It is a hybrid stainless steel that combines excellent machinability with corrosion resistance comparable to austenitic stainless steel. By adding S, Pb, and Te, it achieves more than double the machinability of SUS303. Additionally, it has a magnetic retention comparable to S10C, allowing it to be used as a free-cutting electromagnetic stainless steel. 【Features】 ■ Achieves more than double the machinability of SUS303 ■ Realizes corrosion resistance equivalent to SUS303 by increasing Cr and Mo ■ Approximately twice the cold workability of SUS303 ■ Low carbon free-cutting steel with tensile strength, elongation, and drawability ■ Has magnetic retention comparable to S10C *For more details, please refer to the PDF document or feel free to contact us.

• stainless

The "ASK-3000T" is a free-cutting stainless steel that enhances machinability beyond SUS303 by increasing sulfur (S) in a base steel of SUS304 and adding tellurium (Te). It combines the characteristics of both SUS304 and SUS303. The increase in nickel (Ni) makes it less likely for the permeability to deteriorate after cold working. Additionally, it complies with food sanitation laws. 【Features】 ■ Equivalent corrosion resistance to SUS304 ■ Achieves machinability superior to SUS303 ■ Increased nickel (Ni) makes it less likely for permeability to deteriorate after cold working ■ Environmentally friendly stainless steel (complies with various environmental regulations such as RoHS and ELV) *For more details, please refer to the PDF document or feel free to contact us.

• stainless

The ASK-8000 is a stainless steel that possesses high strength and corrosion resistance at the material stage. ~~◎ Reasons for Choosing ASK-8000 ◎~~ 1. Cost reduction is possible! 2. Contributes to performance improvement! (Durability, wear resistance, weight reduction) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ASK-8000 allows for the omission of heat treatment after part processing, streamlining the process and making it suitable for cost reduction. Its high material hardness contributes to performance enhancement. ■ Prevents deformation! - It can prevent dimensional changes, bending, and warping caused by heat treatment. - It eliminates unnecessary correction processes. ■ Streamlines the process - Cuts out surface treatment and surface polishing after heat treatment. - Reduces intermediate inventory due to the overall reduction in man-hours. - Contributes to alternative production and BCP measures amid challenges in securing production bases due to the spread of infections. ■ Enhances product performance. - Increases wear resistance, strength, and workability! - Allows for thinner diameter designs, enabling product weight reduction.

• stainless

General stainless steel has excellent corrosion resistance, but due to its high viscosity and low thermal conductivity, its machinability becomes poor. Therefore, our "free-cutting stainless steel" significantly improves machinability by adding an appropriate amount of free-cutting components, making part processing easier. We offer a variety of types suited for different applications. 【Features】 ■ Excellent corrosion resistance ■ High machinability ■ Extensive lineup ■ Despite containing free-cutting components, it has physical properties almost equivalent to those of base steel *For more details, please refer to the PDF document or feel free to contact us.

• stainless