C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
C21D9/54—Furnaces for treating strips or wire
C21D9/663—Bell-type furnaces
C21D9/673—Details, accessories, or equipment peculiar to bell-type furnaces
Dispositif de liaison entre un support metallique et un element tubulaire en materiau refractaire du type ceramique, et installation de pyrolyse d'hydrocarbures comprenant de tels elements et leurs dispositifs de liaison