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With over 15,000 employees, the mining and metallurgical Eramet Group has leading positions in three sectors: Nickel, Manganese and Alloys.

Together Erasteel and Aubert & Duval make up the Eramet Alloys division. Erasteel is the world's top producer of high speed steels. Aubert & Duval is one of the largest producers of high performance special steels and superalloys and the 2nd largest producer of closed-die forgings for the aerospace and energy production industries in the world.