TY JOUR TI TRENDS IN THE STEEL MARKET IN 2015-2016 KW metal trader KW prime cost KW price KW metallurgy KW assortment KW speculative component KW profit JO Vestnik of Astrakhan State Technical University. Series: Economics AU Petrenko, A.. AU Dubova, Y.. PY 2017 IS PB Astrakhan State Technical University