Welcome to our MMC Superalloy Corporation website.

Our company was established in July 2010, succeeding the business concerning special heat resistant/corrosion resistant alloys and special copper alloys from Okegawa Plant of Mitsubishi Materials Corporation. Ever since the establishment of our predecessor, Okegawa Plant in 1944, we have been developing as a unique comprehensive manufacturer of nonferrous metals in the world dealing with special copper alloys, nickel alloys, cobalt alloys, and titanium alloys, etc. Then we are awaiting a new start expected from July 1^st, 2014, as "Hitachi Metals MMC Superalloy, Ltd. " a new joint venture company of the Hitachi Metals, Inc.

With the abundant track record and technological capabilities of MMC Superalloy in the aircraft materials area, and the strong business foundation of Specialty Steel Business Hitachi Metals has fostered over its long years of operation, we have confidence that we will successfully compete against global competition in the aircraft and energy markets, which are expected to experience increasing development on a global scale going forward and achieve medium-to-long-term growth.

Our proprietary technology and material forming technology is expected to be effective in various fields. Taking advantage of strengthening the foundations from the joint venture, we will continue to provide new products, services, and solutions that are expected by markets and customers. We will continue to gather the wisdom of all our employees, making the best of such technology. We will not cease our pursuit of further possibility of super alloy which will innovate in the Earth environment with our “super” and “extreme” technology.

MMC Superalloy Corporation
Tsutomu Oka, President