
History of Nippon Steel Pipe America, Inc.
(Formerly Seymour Tubing, INC.)
- March 1989 – Founding owners were Nippon Pipe Co. (50%), Sumitomo Metal Industries, Ltd. (30%) and Mitsui & Co., Ltd (20%)
- April 1989 – Groundbreaking of Seymour Tubing, Inc., now known as NIPPON STEEL PIPE AMERICA, INC.
- March 1990 – Production began in Cold Draw (DOM) and on Cutting & Chamfering equipment and processes
- February 1991 – Added HFW(High Frequency Welding) Mill 1 and expanded Cutting and Chamfering processes and capacity
- March 1993 – Began operation of HFW Mill 2
- April 1995 – Expanded Bush cutting and chamfering processes and capacity
- August 1998 – Addition of HFW Mill 3
- 1999 – Sumitomo Pipe & Tube Co., Ltd. acquired Nippon Pipe Co’s. shares for total shares of 80% while Mitsui & Co, Ltd. maintained 20%
- 1999-2000 – Added Bush Forming Department within existing square footage
- November 2000 – Established and opened Seymour Tubing, Inc. of Dunlap, TN
- September 2009 – During the economic downturn of 2008 and 2009 the Dunlap, TN plant was closed and consolidated into the Seymour, IN facility
- April 2010 – May 2011 – The Plan 30 Project combined the former Dunlap, TN operations into Seymour, IN operations
- July 2012 – July 2013 – Expansion Project
- July 2013 – Havens and HFW Mill 2 were relocated to our new addition and HFW Mill 4 was relocated to Mill 2’s former location
- October 2013 – Ownership changed to Nippon Steel & Sumikin Pipe Co., Ltd. and Mitsui & Co. Ltd.
- 2013-2014 – Added Rattunde 601 & 602 to Recut Department
- March 2017 – Sumitomo Corporation took over Mitsui & Co., Ltd. shares
- 2018 – Added Rattunde 603 to Bushing Department
- April 2019 – Name changed from Seymour Tubing, Inc. to NIPPON STEEL PIPE AMERICA, INC.
- April 2019 – 30 Year Anniversary
SIGNIFICANCE OF NIPPON STEEL CORPORATION SYMBOL MARK

The triangle in the logo represents a blast furnace and the people who make steel. It reflects the fact that steel, indispensable for civilization, brightens the world. The center point can be viewed as a peak, which represents the best steelmaker. It can also be viewed as the destination of a road, which represents the unlimited future of steel as a material. The blue color represents leading technology and reliability.
Spirit and passion incorporated in the symbol mark:
♦ To become the Best Steelmaker with World-leading Capabilities
♦ To aim for the top
♦ To foresee the great potential in the future
Company Profile
- Established – March 1989 (Start-up: February 1990)
- Headquarters – 1515 E. 4th St. Rd., Seymour, IN 47274
- Sales office – 4445 Lake Forest Drive #164, Blue Ash, OH 45242
- Paid capital – $10 million
- Shareholder – NIPPON STEEL CORPORATION
- Net sales amount – $137 Million (2022)
- Number of employees – 440
- Business – Manufacture and sale of High Frequency Welding & Cold Drawn mechanical tube made of carbon and stainless steel
- Land area – 31.8 acres (Building area 10.1 acres)
Grandparent Company
NIPPON STEEL CORPORATION
Parent Company
NIPPON STEEL PIPE CO, LTD
Name change April 2019 from Seymour Tubing, Inc.
to NIPPON STEEL PIPE AMERICA, INC