2022 Muroran Works and East Nippon Works Kamaishi Area were reorganized to become North Nippon Works.
2020 Merged with Nippon Steel Nisshin Co.,Ltd.
Steelworks are integrated and reorganized as six steelworks,namely the Muroran, East Nippon, Nagoya, Kansai, Setouchi and Kyusyu Works.

Nippon Steel logo

Nippon Steel & Sumitomo Metal Corporation was renamed Nippon Steel Corporation.

2012 Incorporated on October 1, integrating Nippon Steel Corporation and Sumitomo Metal Industries.

Nippon Steel

2011 Agreed to commence consideration of business integration with Sumitomo Metal Industries, Ltd.
2006 Engineering and construction business was spun off to Nippon Steel Engineering Co., Ltd.
New materials business was spun off to Nippon Steel Materials Co., Ltd.
2003 Stainless steel business was spun off to Nippon Steel & Sumikin Stainless Steel Corporation.
2002 Announced alliances with Sumitomo Metal Industries, Ltd. and Kobe Steel, Ltd.
All operations of Nippon Steel's Urban Development Division were integrated into Nippon Steel City Produce, Inc.
2001 Operations of Nippon Steel's Electronics & Information Systems Division and its subsidiary Nippon Steel Information & Communication Systems Inc. were integrated to organize NS Solutions Corporation.
2000 Divisionally integrated operation system within the Nippon Steel Group based on product item or business area was introduced in the steelmaking and steel fabrication sector.
1997 Silicon Wafer Division was organized (abolished in April 2004).
1993 Semiconductor Division was organized (abolished in April 1999).
1991 Technical Development Bureau was organized by integrating Central R&D Bureau and Plant Engineering & Technology Bureau, and R&E Center began operation.
1989 Urban Development Division was organized.
1987 Electronics & Information Systems Division, New Materials Division, and Service Business Division (integrated to Urban Development Division in June 1992) were organized.
1986 Electronics Division was organized.
1984 New Materials Projects Bureau was organized.
Nippon Steel Chemical Co., Ltd. was inaugurated through the merger of Nippon Steel Chemical Co., Ltd. and Nittetsu Chemical Industrial Co., Ltd.)
1974 Engineering Division Group was organized.
1971 Nippon Steel absorbed Fuji Sanki Pipe & Tube Co., Ltd.
Oita Works began operation.
1970 Yawata Iron & Steel and Fuji Iron & Steel merged to form Nippon Steel Corporation.
1968 Yawata Iron & Steel absorbed Yawata Steel Tube Co., Ltd.
1967 Tokai Steel became Nagoya Works of Fuji Iron & Steel.
1965 Kimitsu Works of Yawata Iron & Steel began operation.
1961 Sakai Works of Yawata Iron & Steel began operation.
1958 Tokai Iron & Steel Co., Ltd. was established.
Yawata Iron & Steel inaugurated the Tobata Area of Yawata Works.
1955 Hikari Works of Yawata Iron & Steel began operation.
1950 Yawata Iron & Steel Co., Ltd. and Fuji Iron & Steel Co., Ltd. were established (Company’s founding).

Sumitomo Metals

2012 Merged with Sumitomo Metals (Kokura), Ltd. and Sumitomo Metals (Naoetsu), Ltd.
2011 Agreed to commence consideration of business integration with Nippon Steel Corporation.
2008 The titanium business was split and was absorbed by Sumitomo Metals (Naoetsu), Ltd.
2003 The stainless business was split off and became Nippon Steel & Sumikin Stainless Steel
Corporation. Wakayama Works' upstream operation was split off and became Sumikin Iron & Steel Corporation
(Nippon Steel absorbed the company in 2018)
2002 Announced alliances with Nippon Steel Corporation and Kobe Steel, Ltd.
Silicon wafer business was transferred to Silicon United Manufacturing Corporation.
2000 Sumitomo Metals spun off its Kokura Works and Naoetsu Works and made them into Sumitomo Metals (Kokura), Ltd. and Sumitomo Metals (Naoetsu), Ltd. respectively.
1998 Merged with Sumitomo Sitix Corporation.
1994 Kashima Stainless Steel Works was integrated in Kashima Works.
1992 Merged with Nippon Stainless Co., Ltd. (Naoetsu Works and Kashima Stainless Steel Works were established.)
1990 Electronics Division was established.
1988 Kainan Steel Tube Works was integrated in Wakayama Works.
1980 Merged with Kainan Steel Tube Co., Ltd. (to form Kainan Steel Tube Works).
1977 Engineering Division was established, marking entry into engineering business.
1974 Hasaki Research Center, present Hasaki R&D Center, was established.
1968 Kashima Works was established.
1966 Kainan Steel Tube Co., Ltd. was established.
1963 Sumitomo Special Metals Co., Ltd. (former Magnetic Steel and Electronic Parts Manufacturing Departments) was established.
1961 Sumitomo Precision Products Co., Ltd. (former Aircraft Instruments Department) was established.
1959 Sumitomo Light Metal Industries, Ltd. (former Copper Rolling and Aluminum Rolling Department) was established. Central Research Laboratories, present Amagasaki R&D Center, was established.
1953 Merged with Kokura Steel Manufacturing Co. and established Kokura Works, an integrated steelmaker.
1952 Shin-Fuso Metal Industries, Ltd. was renamed Sumitomo Metal Industries, Ltd.
1950 Narumi China Corporation (former China Manufacturing Department) was established.
1949 Shin-Fuso Metal Industries, Ltd. was established (Company’s founding).


2019 Became a wholly-owned subsidiary of Nippon Steel & Sumitomo Metal Corporation
Stainless steel sheet business separated
2017 NIPPON STEEL NISSHIN became a member of Nippon Steel & Sumitomo Metal Group
2016 NIPPON STEEL NISSHIN A&C Co., Ltd. established, through merger of the Company’s coating and building materials businesses including the Ichikawa Works and the businesses of Nisshin A&C Co., Ltd.
2014 "NIPPON STEEL NISSHIN Holdings, NIPPON STEEL NISSHIN and Nippon Metal Industry completed tripartite merger to start business under new trade name of Nisshin Steel Co.,Ltd.
Nisshin Steel Stainless Steel Tubing Co., Ltd. inaugurated through consolidation of Amagasaki Works and Nippon Metal Tube Co.,Ltd."
2012 NIPPON STEEL NISSHIN Holdings Co.,Ltd. established through business integration of Nisshin and Nippon Metal Industry
2011 Baru Stainless SDN.BHD. started commercial production
2009 Nisshins F-Tech.Plaza established
2000 Nisshins Toyo Works completed
1999 “ZAM®”, highly corrosion resistant hot-dip coated steel sheet launched on the market
1998 Ningbo Baoxin Stainless Steel Co., China started commercial production
1988 Wheeling-Nissin, Inc. in the U.S. started commercial production
1985 Nisshins Amagasaki plant renamed Amagasaki Works to specialize in stainless steel pipes & tubes
1972 Nippon Metal Industrys Kinuura Works started operation
1970 “ALSTAR” released Nisshin invested in Acerinox, S.A.,Spanish-Japanese stainless steel joint venture.
Relevant technical assistance started
1969 Tandem Sendzimir mill started
1966 Nisshin obtained business right from Kobe Steel, Ltd. to operate the Sakai Works
1965 “Gas Wiping (YG) Process”, our epoch-making development to attain uniform coating weights introduced
1963 Nisshin’s Ichikawa Works completed
Three plants of Nanyo, Tokuyama, and Tonda consolidated and inaugurated as Shunan Plant (present Shunan Works) “PAINTITE” released
1962 Nisshin installed and blew in its first blast-furnace at Kure Works to start integrated steelmaking
1960 Nippon Metal Industrys Sagamihara Works built
1959 “NIPPON STEEL NISSHIN Co., Ltd.” founded through merger of Nichia Steel Co.,Ltd. and Nihon Teppan Co., Ltd.
1934 Industrialization of 18% chromium-8% nickel stainless steel achieved
1932 “Nippon Metal Industry Co.,Ltd.” founded
1911 “Aento Co., Ltd ” founded → 1953 Renamed “Nihon Teppan Co., Ltd.”
1908 “Tanaka Galvanizing Works” founded → 1939 Renamed “Nichia Steel Co.,Ltd.”