公开(公告)号：US11242584B2

公开(公告)日：2022-02-08

申请号：US15746006

申请日：2016-07-20

Applicant: SANDVIK INTELLECTUAL PROPERTY AB

Inventor： Daniel Gullberg ,  Christina Haraldsson ,  Anders Wilson ,  Alexander Scheerder ,  Kirk Ofei

IPC: C22C38/44 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C21D6/00 ,  C21D9/08 ,  B01D3/32 ,  C07C273/04 ,  F28F21/08 ,  B01J19/02 ,  C21D8/00 ,  C22C33/02 ,  C22C38/58 ,  C22C33/04 ,  B22F3/15 ,  C21D8/10

Abstract: The present disclosure relates to a corrosion resistant duplex stainless steel (ferritic austenitic alloy), which is suitable for use in a plant for the production of urea and uses thereof. The disclosure also relates to objects made of the duplex stainless steel. Furthermore, the present disclosure relates to a method for the production of urea and to a plant for the production of urea having one or more parts made from the duplex stainless steel, and to a method of modifying an existing plant for the production of urea.