公开(公告)号：US20170137922A1

公开(公告)日：2017-05-18

申请号：US15127517

申请日：2015-03-20

Applicant: CONSTELLIUM EXTRUSION DECIN S.R.0.

Inventor： Lukasz DOLEGA ,  Jean-sylvestre SAFRANY ,  Ivo KOLARIK

IPC: C22F1/047 ,  C22C21/02 ,  B22D21/00 ,  C25D11/16 ,  B22D7/00 ,  C22C21/08 ,  C22F1/043

CPC classification number: C22F1/047 ,  B21C1/003 ,  B21C23/002 ,  B22D7/005 ,  B22D21/007 ,  B23B1/00 ,  B23B2222/04 ,  B23B2228/10 ,  C22C21/02 ,  C22C21/08 ,  C22F1/043 ,  C22F1/05 ,  C25D11/04 ,  C25D11/08 ,  C25D11/10 ,  C25D11/16

Abstract: The invention relates to a method for the production of a mechanical part, comprising the following successive steps: casting of a billet of aluminium alloy with a composition (in weight %) of 0.4-3.0 Si; 0.6-2.0 Mg; 0.20-1.0 Cu; 0.15-1.8 Fe; Mn