Effect of Nb Contents on Size of Ferrite Grains
in Ultra-Low Carbon Steel for Cans
No.23 March 2018 - Special Issue on “Steel Sheet for Can-making”, “Steel Bar and Wire Rod” and “Slag Products”
Effect of Nb Contents on Size of Ferrite Grains in Ultra-Low Carbon Steel for Cans
NAKAGAWA YusukeTADA MasakiKOJIMA Katsumi
Abstract
Soft-tempered and fine-grained steel is preferred for film-laminated steel sheets for drawn cans in view of surface deterioration resistance and high formability. Although Nb-added ultra-low carbon steel is used for forming application of cans, the problem of surface deterioration resistance still remains after drawing and ironing. In this study, the further grain refinement of conventional Nb-added ultra-low carbon steel has been attempted. As a result, carbon and niobium contents having an excellent balance of grain size and steel plate strength has been found.
