| 1960 |
- July, 1960
- Capital 5 Million yen
Iwai Special Pipe Co. Ltd was Founded
|
| 1961 |
- July, 1961
- Tokyo Sales Office Established
|
| 1966 |
- April, 1966
- Nagoya Sales Office Established
- July, 1966
- Capital 10 Million yen
Kyushu Sales Office Established at Yahata
|
| 1968 |
- September, 1968
- Close Kyushu Sales Office, Fukuoka Sales Office Established
|
| 1972 |
- January, 1972
- Company name changed to Araya Special Metal
|
| 1973 |
- April, 1973
- Capital 20 Million yen
|
| 1974 |
- January, 1974
- Capital 40 Million yen
|
| 1976 |
- July, 1976
- Tokyo Sales Office promoted to Tokyo Branch Office
|
| 1979 |
- January, 1979
- Capital 80 Million yen
|
| 1980 |
- October, 1980
- Capital 160 Million yen
|
| 1984 |
- June, 1984
- Nagoya Sales Office promoted to Nagoya Branch Office
|
| 1985 |
- April, 1985
- Capital 240 Million yen
|
| 1990 |
- Febuary, 1990
- Fukuoka Sales Office promoted to Fukuoka Branch Office
- October, 1990
- Capital 300 Million yen
- November, 1990
- Tohoku Sales Office Established
|
| 1991 |
- October, 1991
- Shizuoka Sales Office Established
|
| 1993 |
- September, 1993
- Nagoya Stainless Center Relocate
|
| 1995 |
- June, 1995
- Hiroshima Sales Office Established
|
| 1998 |
- October, 1998
- Osaka Stainless Center Relocate
|
| 2000 |
- January, 2000
- Kanto Stainless Center Established
|
| 2001 |
- April, 2001
- North Kanto Sales Office Established
|
| 2008 |
- July, 2008
- North Kanto Sales Office promoted to North Kanto Branch Office
|
| 2010 |
- October, 2010
- Change North Kanto Branch Office to Kanto Branch Office
|
| 2014 |
- August, 2014
- Tokyo Branch Office Tokyo Sales Department Established
Change Kanto Branch Office to Tokyo Branch Office Kanto Sales Department
- September, 2014
- Shikoku Sales Office Established
|
| 2022 |
- March, 2022
- Relocate Fukuoka Branch Office to Hakata
Fukuoka Stainless Center Relocate・Expansion
|
| 2023 |
- November, 2023
- Relocate Tokyo Branch Office Tokyo Sales Department to Chiyoda
|
| 2025 |
- April, 2025
- Hokuriku Sales Office Established
|
