during manufacturing of plates or strips

Full Title

Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment > during manufacturing of plates or strips

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

METALLURGY OF IRON

Subclass:

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

Child Classifications

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• C21D 8/021 involving particular fabrication steps or treatments of ingots or slabs
• C21D 8/0221 characterised by the working steps
• C21D 8/0247 characterised by the heat treatment
• C21D 8/0278 involving a particular surface treatment
• C21D 8/0294 involving a localised treatment
• C21D 8/04 to produce plates or strips for drawing, e.g. for deep-drawing