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
C21D9/0043—Muffle furnaces; Retort furnaces
Landscapes
Chemical & Material Sciences
(AREA)
Engineering & Computer Science
(AREA)
Physics & Mathematics
(AREA)
Thermal Sciences
(AREA)
Crystallography & Structural Chemistry
(AREA)
Mechanical Engineering
(AREA)
Materials Engineering
(AREA)
Metallurgy
(AREA)
Organic Chemistry
(AREA)
Heat Treatment Of Strip Materials And Filament Materials
(AREA)