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Headquarter (Tokyo, Japan)

TAMAYAKIN Co., Ltd. (HQ) is located at Musashimurayama City, Tama District of Tokyo. The main feature of this plant is its capacity to offer heat treatment services in different volumes from single item to mass production using extensive treatment methods.
We will continue to fulfil our clients’ various needs and requests to “support the basis of the machine industry” as our mission.

What Tamayakin can do

Headquarter (Tokyo, Japan)

TAMAYAKIN Co., Ltd. (HQ) is located at Musashimurayama City, Tama District of Tokyo. The main feature of this plant is its capacity to offer heat treatment services in different volumes from single item to mass production using extensive treatment methods.
We will continue to fulfil our clients’ various needs and requests to “support the basis of the machine industry” as our mission.

Quick delivery, airline, mass production system

Tamayakin is a heat treatment company independent from any particular corporations or industries. In addition, the company has established “multiproduct small-lot production system” to accommodate flexibly our clients’ various needs. This way, we have expanded the scope of our business activities over the years.
Today, Tamayakin is contributing to the business development of companies in main industries, including aviation, space, and defense, as well as precision machinery, electric components, and racing car accessories manufacturers.   

Heat treatment services offered at the Headquarter(Tokyo, Japan) Heat treatment at TAMAYAKIN

Search by material Search by heat treatment Industry experience
steel
Vacuum hardening and tempering Solution hardening Annealing Stress relief AMS2759/3/4/5 AMS2769 AMS-H-6875 (MIL-H-6875) *All-metal vacuum furnace heat treatment is available.
vacuum heat treatment
Carburization/Controlled atmosphere heat treatment
nitriding
stainless steel
Vacuum hardening and tempering Solution hardening Annealing Stress relief AMS2759/3/4/5 AMS2769 AMS-H-6875 (MIL-H-6875) *All-metal vacuum furnace heat treatment is available. Gas carburised quenching Atmospheric quenching and tempering Material quenching and tempering Material annealing and tempering Gas nitriding Gas soft nitriding Precipitation hardening treatment
vacuum heat treatment
Carburization/Controlled atmosphere heat treatment
nitriding
nickel alloy
Annealing Solution annealing Stress relief Deposition hardening treatment AMS 2774
Other alloy heat treatment
copper alloy
annealing Age hardening Stress relief AMS-H-7199
Other alloy heat treatment
titanium alloy
annealing age hardening
Other alloy heat treatment
Aluminum alloy
Annealing solution annealing Age hardening
aluminum alloy heat treatment
vacuum heat treatment
steel
stainless steel
Aluminum alloy
copper alloy
nickel alloy
titanium alloy
Other alloys
Vacuum hardening and tempering Solution hardening Annealing Precipitation hardening treatment Stress relief AMS 2759/3/4/5 AMS2769 AMS-H-6875 (MIL-H-6875) *All-metal vacuum furnace heat treatment is available.
Carburization/Controlled atmosphere heat treatment
steel
stainless steel
Other alloys
Gas carburising and quenching AMS 2759/7 Atmospheric quenching and tempering AMS2759/1,2 Material quenching and tempering AMS-H-6875 Material tempering and annealing AMS-H-6875
nitriding
steel
stainless steel
Other alloys
Gas nitriding Gas nitrocarburising AMS 2759/6,10
aluminum alloy heat treatment
Aluminium
solution annealing Annealing Age hardening AAMS 2770
Other alloy heat treatment
copper alloy
nickel alloy
titanium alloy
Other alloys
solution hardening Precipitation hardening treatment Annealing Stress relief Nickel alloy AMS2774 Beryllium copper AMS-H-7199 Titanium alloys and others
Aviation
Certifications JIS Q 9100 (Tokyo) JIS Q 9100 (Tokyo)
Space
Certifications obtained JIS Q 9100 (Tokyo)
defence
Certifications obtained JIS Q 9100 (Tokyo)
automobile
medical care
energy
Others

Major certificates acquired from external agencies

Tamayakin is one of Japan’s leading Nadcap-certified companies specializing
in heat treatment.

Acquired 1999
ISO 9001 quality management system
Obtained in 2009
JIS Q 9100 Quality management system for aerospace
Obtained in 2012
Nadcap International Aerospace Industry Special Process Certification
Obtained in 2016
Heat treatment of Rolls-Royce engine components

List of acquired certificates

Features of the Headquarter(Tokyo, Japan)

Production system capable of fulfilling orders as small as “a single item for next day delivery”. 

Tamayakin has worked on for a long time to establish “multi-products/short delivery/small-lot production system” that enables to flexibly fulfill the diversified needs of the clients.
In addition, for the clients’ peace of mind and satisfaction, we offer consolidated service, “AINORI”, in which the furnace is operated periodically on the heat treatment condition that fulfills the most frequent needs to serve multiple clients.

Place an order online wherever you are in Japan 

We have online order system available for clients’ peace of mind. The clients are able to check the degree of process online. After the heat treatment work is complete, the products will be shipped to each client anywhere in Japan. We also give technical consultation over the phone.

The company acquired the only international certificate program associated with the aerospace defense industry.

Tamayakin is one of a few heat treatment suppliers in Japan that fulfill aircraft manufacturing specifications. It can accommodate any heat treatment needs with its solid technological ability that is recognized by third-party organizations.
・The company acquired JIS Q 9100 in 2009 (Examination authority: BSK)
・The company acquired the special process certificate for civilian aircraft parts.
The company acquired “Nadcap” in 2012.
・The company acquired Rolls-Royce certificate for engine parts heat treatment process confirmation in 2016.

Headquarter (Tokyo, Japan)

Address. 2-77-1 Inadaira, Musashimurayama-shi, Tokyo 208-0023 TEL: 042-560-4331 Fax: 042-560-4550

If coming by train

10 minutes by taxi from Akishima Station on the JR Oume Line.
15 minutes by bus from Akishima Station on the JR Oume Line.
Bus (Sho 22) IHI (via Estate Tachikawa)
Bus (Sho 26) Harunazuka (via Estate Tachikawa), 3-minute walk from Inadaira-minami intersection.
Bus (Sho 24) bound for Hakonegasaki Station East Exit, 1 minute walk from Murayama Heights-mae bus stop.
1-minute walk from Murayama Heights-mae bus stop.
All of the above buses can be taken at the Seibu Haijima Line and Seibu Tachikawa Station entrance.
*When taking the bus from Seibu Tachikawa Station, the bus does not stop in front of the station.
 Walk along the railway line to the bus stop in the direction of Shinjuku for about 3 minutes.

If you are coming to the office by car

Shin-Ome Kaido, 1.7km from Mitsugi intersection.
1.5km from Tennobashi intersection, Itsukaichi Kaido Road
1.2km from Matsunaka-danchi-minami intersection on Itsukaichi Kaido Road.
4.0 km from JR Akishima Station
4.8 km from Seibu Haijima Station.
1.8 km from Seibu Tachikawa Station on the Seibu Line.
2.3 km from Musashisunagawa Station on the Seibu Line.
9.6 km from Hachioji Interchange on the Chuo Expressway via Haijima Bridge and Akishima.
10.0 km from Iruma Interchange on Ken-O Expressway via Route 16 and Shin-Ome Kaido.

Inquiries

Ask us anything about heat treatment!
Ask us anything about heat treatment!
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Headquarter (Tokyo, Japan)

Opening hours. 8:00-17:00 (Japan time)

China Dalian Factory

Opening hours. 8:00-17:00 (China time)