公开(公告)号：CA2461966C

公开(公告)日：2010-01-26

申请号：CA2461966

申请日：2002-03-20

Applicant: ATI PROPERTIES INC

Inventor： BERGSTROM DAVID S ,  DUNN JOHN J ,  GRUBB JOHN F ,  PRATT WILLIAM A

IPC: C22C38/44 ,  C21D9/00 ,  C22C38/00 ,  C22C38/42 ,  C22C38/54 ,  C22C38/58

Abstract: A duplex stainless steel including, in weight percent, up to 0.06 percent carbon, 15 up to less than 25 percent chromium, greater than 3 up to 6 percent nickel, up to 3.75 percent manganese, 0.14 up to 0.35 percent nitrogen, up to 2 percent silicon, greater than 1.4 up to less than 2.5 percent molybdenum, up to less than 0.5 percent copper, up to less than 0.2 percent cobalt, up to 0.05 percent phosphorous, up to 0.005 percent sulfur, and 0.001 up to 0.0035 percent boron, with the remainder being iron and incidental impurities is disclosed. The duplex stainless steel may be included in an article of manufacture, such as a strip, bar, plate, sheet, casting, tubing or piping. A method for making such a duplex stainless steel is also disclosed.

公开(公告)号：DE60232352D1

公开(公告)日：2009-06-25

申请号：DE60232352

申请日：2002-03-20

Applicant: ATI PROPERTIES INC

Inventor： BERGSTROM DAVID S ,  DUNN JOHN J ,  GRUBB JOHN F ,  PRATT WILLIAM A

IPC: C22C38/44 ,  C21D9/00 ,  C22C38/00 ,  C22C38/42 ,  C22C38/54 ,  C22C38/58

Abstract: A duplex stainless steel including, in weight percent, up to 0.06 percent carbon, 15 up to less than 25 percent chromium, greater than 3 up to 6 percent nickel, up to 3.75 percent manganese, 0.14 up to 0.35 percent nitrogen, up to 2 percent silicon, greater than 1.4 up to less than 2.5 percent molybdenum, up to less than 0.5 percent copper, up to less than 0.2 percent cobalt, up to 0.05 percent phosphorous, up to 0.005 percent sulfur, and 0.001 up to 0.0035 percent boron, with the remainder being iron and incidental impurities is disclosed. The duplex stainless steel may be included in an article of manufacture, such as a strip, bar, plate, sheet, casting, tubing or piping. A method for making such a duplex stainless steel is also disclosed.

公开(公告)号：BR0213436A

公开(公告)日：2004-11-09

申请号：BR0213436

申请日：2002-03-01

Applicant: ATI PROPERTIES INC

Inventor： BERGSTROM DAVID S ,  DUNN JOHN J ,  GRUBB JOHN F ,  PRATT WILLIAM A

IPC: C21D9/00 ,  C21D6/00 ,  C22C38/00 ,  C22C38/40 ,  C22C38/44 ,  C22C38/54 ,  C22C38/58

Abstract: A duplex stainless steel includes less than, in weight percent, 3 percent nickel and 1.5 percent molybdenum. In one embodiment, the duplex stainless steel includes, in weight percent, up to 0.06 percent carbon, 15 to less than 19 percent chromium, 1 to less than 3 percent nickel, up to 3.75 percent manganese, greater than 0.12 up to 0.35 percent nitrogen, up to 2 percent silicon, up to 1.5 percent molybdenum, up to 0.5 percent copper, up to 0.2 percent cobalt, up to 0.05 percent phosphorus, up to 0.005 percent sulphur, up to 0.03 percent boron, iron and incidental impurities. The duplex stainless steel provided may be provided in the form of an article of manufacture, such as strip, bar, plate, sheet, casting, tubing and piping. A method for making the duplex stainless steel of the invention is also disclosed.

公开(公告)号：EP1446509A4

公开(公告)日：2005-04-20

申请号：EP02707947

申请日：2002-03-01

Applicant: ATI PROPERTIES INC

Inventor： BERGSTROM DAVID S ,  DUNN JOHN J ,  GRUBB JOHN F ,  PRATT WILLIAM A

IPC: C21D9/00 ,  C21D6/00 ,  C22C38/00 ,  C22C38/40 ,  C22C38/44 ,  C22C38/54 ,  C22C38/58

CPC classification number: C21D6/004 ,  C21D2211/001 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/44 ,  C22C38/54 ,  C22C38/58

Abstract: A duplex stainless steel includes less than, in weight percent, 3 percent nickel and 1.5 percent molybdenum. In one embodiment, the duplex stainless steel includes, in weight percent, up to 0.06 percent carbon; 15 to 25 percent chromium; 1 to less than 2.5 percent nickel; up to 3.75 percent manganese; greater than 0.12 up to 0.35 percent nitrogen; up to 2 percent silicon; up to 1.5 percent molybdenum; up to 0.5 percent copper; up to 0.2 percent cobalt; up to 0.05 percent phosphorous; up to 0.005 percent sulfur; 0.001 to 0.0035 percent boron; iron and incidental impurities. The duplex stainless steel provided may be provided in the form of an article of manufacture, such as strip, bar, plate, sheet, casting, tubing or piping. A method for making the duplex stainless steel of the invention also is disclosed.

公开(公告)号：EP1442148A4

公开(公告)日：2004-12-22

申请号：EP02721500

申请日：2002-03-20

Applicant: ATI PROPERTIES INC

Inventor： BERGSTROM DAVID S ,  DUNN JOHN J ,  GRUBB JOHN F ,  PRATT WILLIAM A

IPC: C22C38/00 ,  C22C38/42 ,  C22C38/44 ,  C22C38/54 ,  C22C38/58 ,  C21D9/00

CPC classification number: C22C38/001 ,  C21D2211/001 ,  C21D2211/005 ,  C22C38/42 ,  C22C38/44 ,  C22C38/54 ,  C22C38/58

Abstract: A duplex stainless steel including, in weight percent, up to 0.06 percent carbon, 15 up to less than 25 percent chromium, greater than 3 up to 6 percent nickel, up to 3.75 percent manganese, 0.14 up to 0.35 percent nitrogen, up to 2 percent silicon, greater than 1.4 up to less than 2.5 percent molybdenum, up to less than 0.5 percent copper, up to less than 0.2 percent cobalt, up to 0.05 percent phosphorous, up to 0.005 percent sulfur, and 0.001 up to 0.0035 percent boron, with the remainder being iron and incidental impurities is disclosed. The duplex stainless steel may be included in an article of manufacture, such as a strip, bar, plate, sheet, casting, tubing or piping. A method for making such a duplex stainless steel is also disclosed.

Abstract translation: 一种双相不锈钢，其重量百分比包括：碳含量高达0.06％，铬含量高达15％至小于25％，镍含量高于3％至6％，锰含量高达3.75％，氮含量高达0.14％至0.35％，高达2 ％的硅，大于1.4％至小于2.5％的钼，至多小于0.5％的铜，至多小于0.2％的钴，至多0.05％的磷，至多0.005％的硫和0.001至0.0035％的硼， 其余部分是铁和附带的杂质。 双相不锈钢可以被包括在制造物品中，例如带材，棒材，板材，板材，铸件，管材或管道。 还公开了制造这种双相不锈钢的方法。