Nippon Stainless Steel Yamaguchi Works (Hikari Area) steel plant

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Nippon Stainless Steel Yamaguchi Works (Hikari Area) steel plant, also known as Hikari Area Yamaguchi Works, is a steel plant in Hikari, Yamaguchi, Japan that operates electric arc furnace (EAF) technology.

Location

The map below shows the exact location of the plant in Hikari, Yamaguchi, Japan:

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• Location: 3434 Ooaza-shimata, 743-8550
• Coordinates (WGS 84): 33.964661, 131.935403 (exact)

Background

Nippon Stainless Steel Co. Ltd (NSSC) was launched as the largest general stainless steel manufacturer in Japan following the integration of a part of the steel sheet business contained within the special stainless steel business of the former Nippon Steel & Sumitomo Metal Corporation, the steel sheet business contained within the stainless steel business (steel sheets, steel pipes, and tubes) of the former Nisshin Steel Co., Ltd., and the former Nippon Steel & Sumikin Stainless Steel Corporation. In October 2024, Nippon Steel Corporation (NSC) and NSSC, a wholly owned subsidiary of NSC, announced their merger with NSC as the surviving company and NSSC as the dissolving company, effective as of April 1, 2025.

Nippon Stainless Steel Yamaguchi Works (Hikari Area) was established in 1955 with the installation of Japan's first fully continuous wire rod mill. The plant operates an electric arc furnace with a capacity of 500 thousand tonnes per annum, a steel sheet unit and a bar and wire rod unit

Ownership Tree

This ownership tree is part of the Global Energy Ownership Tracker, a project of Global Energy Monitor.

Plant Details

Table 1: General Plant Details

Start date
1955

Table 2: Ownership and Parent Company Information

Parent company	Parent company PermID	Parent company GEM ID	Owner	Owner company PermID	Owner company GEM ID
Nippon Steel Corp	4295877313	E100000000652	Nippon Steel Stainless Steel Corp	5000034697	E100000120933

Table 3: Process and Products

ISO 14001	Main production equipment
yes	EAF

Table 4: Plant-level Crude Steel Production Capacities (thousand tonnes per annum)

¹Please see our Frequently Asked Questions page for an explanation of the different capacity operating statuses.

Capacity operating status1	Electric arc furnace steelmaking capacity	Nominal crude steel capacity (total)
operating	500	500

Table 5: Actual Plant-level Crude Steel Production by Year (thousand tonnes per annum)

Year	EAF production	Other/unknown steel production
2019	unknown	unknown
2020	unknown	unknown
2021	unknown	unknown
2022	unknown	unknown
2023	unknown	unknown

Unit Details

Table 6: Electric Arc Furnace Details

Unit name	Status	Furnace manufacturer and model	Current capacity (ttpa)
unknown EAF (1)	operating	AOD	500

Table 7: Electric Arc Furnace Feedstock Details

Unit name	Scrap-based	% scrap
unknown EAF (1)	yes	>0

Articles and Resources

Additional data

To access additional data, including an interactive map of steel power plants, a downloadable dataset, and summary data, please visit the Global Iron and Steel Tracker on the Global Energy Monitor website.