METHOD FOR ROLLING BELTS OF BERYLLIUM BRONZES Russian patent published in 2004 - IPC

FIELD: rolled stock production, namely manufacture of flat rolled products of dispersion hardened copper-beryllium type alloys. SUBSTANCE: method comprises steps of hot rolling of ingots, their subsequent quenching and multistage cold rolling at heat treatment after each stage of cold rolling; performing hot rolling in temperature range 780 -450 C, at temperature of rolling process termination less than 500 C; quenching after hot rolling at heating until 720 -740 C and soaking at such temperature for 8 - 9 h; at least three times performing cold rolling at normalized values of deformation degree during each rolling stage; realizing heat treatment after each (except last one) cold rolling stage due to quenching rolled piece at normalized heating temperature and soaking period; after last cold deformation stage realizing heat treatment due to aging rolled piece at normalized condition. EFFECT: lowered structural non-uniformity of alloy, stable mechanical properties, minimum scattering of mechanical properties of products. 1 tbl, 1 ex