The Stena Metall Group's financial year is reported in the 2017/18 Annual Report, as well as the Annual Review and Sustainability Report. In addition, there is a summary of the year as a clickable onepager that works on both computer and smartphone.
Links to these documents, including the onepager, can be found on the Stena Metall Group's Investor Relations page. There is also an archive of reports from previous years:
Here are direct links to the respective documents: