Aperam South America celebrates 70 years of history.
ArcelorMittal shareholders approve the spin-off of the stainless segment establishing the creation of Aperam.
Worldwide launching of ArcelorMittal brand. Acesita is now called ArcelorMittal Stainless Brazil.
The Company completes its fourth expansion plan increasing the stainless steel line capacity.
Creation of Aperam Acesita Foundation.
Creation of Oikós Environmental Education Centre.
Privatization of the Company.
The first grain oriented electrical steel coil is processed for experimentation purposes.
Stainless steel production starts operation.
Creation of the affiliate Florestal Acesita S.A., today Aperam BioEnergia.
Official start of stainless steel production.
Inauguration of the water treatment plant.
Production of electrical steel plates is initiated.
Bessemer steel plant operates to start production of common and special steels.
The first pig iron heat takes place at Blast Furnace No. 1
Former Acesita was established on 31st October.