7, stainless steel by smelting method
(1) according to the furnace for A. open-hearth steel: (a) acid open-hearth steel; (b) basic open-hearth steel. B. converter steel: (a) Bessemer steel; (b) basic converter steel. Or (a) the bottom blowing converter steel; (b) side blown converter steel; (c) top-blown converter. C. EAF steel: (a) electric arc furnace steel; (b) ESR steel; (c) induction furnace steel; (d) vacuum self-consuming furnace steel; (E) electron beam furnace steel. (2) according to the degree of deoxidation and pouring system A. boiling steel; B. semi-killed steel; C. steel; D. steel.