Contact CSTM $18.400 -0.81% Stock Price Search GO ! Menu Creating value throughout the life cycle of aluminium Aluminium is the world’s third most abundant element and a vital material for the 21st century. Here, we explain the various stages of production and outline our role in the process. We are committed to improving the overall footprint of aluminium’s life cycle and to creating value for customers, suppliers, and society. 1 EXTRACTION AND REFINING 1. Extraction and refining Aluminium is produced from bauxite ore, mostly extracted from open cast mines. Bauxite is then chemically processed in refineries into alumina (pure aluminium oxide). Two to three tons of bauxite are required to produce one ton of alumina. Top of page About Constellium Constellium (NYSE) is a global sector leader that develops innovative, value added aluminium products for a broad scope of markets and applications, including aerospace, automotive and packaging. Constellium generated €4.9 billion of revenue in 2020. Headquarters Constellium Washington Plaza 40-44 Rue Washington 75008 Paris France Contact us Subscribe to Constellium alerts Enter your e-mail address in order to receive an alert when a News or a Press Release is published OK Constellium websites Constellium Soft Alloys Europe Constellium Hard and Soft Alloys, Czech Republic Copyright © 2021 All rights reserved Contact Sitemap Legal notice Data Protection Policy About Aluminium Aluminium Glossary Integrity hotline By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Cookies Settings Reject All Accept All Cookies