公开(公告)号：US20210156013A1

公开(公告)日：2021-05-27

申请号：US16613512

申请日：2018-05-22

Applicant: SANDVIK INTELLECTUAL PROPERTY AB

Inventor： Eleonora BETTINI ,  Raghuveer GADDAM ,  Karin ANTONSSON ,  Guocai CHAI ,  Christina HARALDSSON ,  Siriki RAVEENDRA

IPC: C22C38/48 ,  C21D6/00

Abstract: The present disclosure relates to a new duplex stainless steel. Furthermore, the present disclosure relates to a product comprising the duplex stainless steel, which method comprises the step of performing a heat treatment on an object comprising the duplex stainless steel at a predetermined temperature and during a predetermined time.

公开(公告)号：US20170121796A1

公开(公告)日：2017-05-04

申请号：US15404397

申请日：2017-01-12

Applicant: Sandvik Intellectual Property AB

Inventor： Guocai CHAI ,  Jan HÖGBERG ,  Sofia Åkesson ,  Urban FORSBERG

IPC: C22C30/02 ,  C22C38/46 ,  F22B37/04 ,  C22C38/42 ,  C22C38/02 ,  C22C38/00 ,  C22C38/58 ,  C22C38/44

CPC classification number: C22C30/02 ,  C21D2211/001 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/58 ,  F22B37/04

Abstract: An austenitic alloy comprising (in weight %): C: 0.01-0.05 Si: 0.05-0.80 Mn: 1.5-2 Cr: 26-34.5 Ni: 30-35 Mo: 3-4 Cu: 0.5-1.5 N: 0.05-0.15 V: ≦0.15 the balance being Fe and unavoidable impurities, characterized in that 40≦% Ni+100*% N≦5 50.