Retrogression heat treatment

Details Retrogression heat treatment Retrogression heat treatment

C - Chemistry, Metallurgy

22

F

C22F 1/04 (2006.01) C21D 8/10 (2006.01)

Patent

CA 2586343

A method for producing a product includes the steps of taking heated and cooled extrusion, preferably aluminum, and reheating a selected area of the extrusion. There is the step of requenching the extrusion. There is the step of forming the reheated area into a desired shape. A method for producing a ladder.

Méthode de fabrication d'un produit comprenant les étapes consistant à prendre une extrusion chauffée et refroidie, de préférence de l'aluminium, et de réchauffer à nouveau une zone choisie de l'extrusion. C'est l'étape du deuxième refroidissement de l'extrusion. C'est l'étape consistant à donner à la zone réchauffée à nouveau la forme désirée. Méthode de fabrication d'une échelle.

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