公开(公告)号：KR20200144599A

公开(公告)日：2020-12-29

申请号：KR20207036828

申请日：2012-09-05

Applicant: OUTOKUMPU OY

Inventor： OLIVER JAMES ,  JONSSON JAN Y ,  THULIN ALEXANDER

IPC: C22C38/58 ,  C22C38/02 ,  C22C38/42 ,  C22C38/44

Abstract: 본발명은, TRIP 효과를이용한고성형성및, 균형잡힌공식저항당량지수에의한고내식성을갖는듀플렉스페라이트오스테나이트계스테인레스강에관한것이다. 듀플렉스스테인레스강은 0.04 중량% 미만의탄소, 0.7 중량% 미만의규소, 2.5 중량% 미만의망간, 18.5 ~ 22.5 중량% 의크롬, 0.8 ~ 4.5 중량% 의니켈, 0.6 ~ 1.4 중량% 의몰리브덴, 1 중량% 미만의구리, 0.10 ~ 0.24 중량% 의질소를함유하고, 나머지는철 및, 스테인레스강들에서발생되는불가피한불순물들이다.

公开(公告)号：EP2753724A4

公开(公告)日：2015-09-23

申请号：EP12830561

申请日：2012-09-05

Applicant: OUTOKUMPU OY

Inventor： OLIVER JAMES ,  JONSSON JAN Y ,  THULIN ALEXANDER

IPC: C22C38/02 ,  C22C38/42 ,  C22C38/44 ,  C22C38/58

CPC classification number: C22C38/58 ,  C21D6/004 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/44

公开(公告)号：EP2773785A4

公开(公告)日：2015-07-08

申请号：EP12846399

申请日：2012-11-01

Applicant: OUTOKUMPU OY

Inventor： THULIN ALEXANDER ,  JONSSON JAN Y ,  PETTERSSON RACHEL ,  ANDERSSON JAN-OLOF ,  HERTZMAN STAFFAN

IPC: C22C38/00 ,  C21D6/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/44 ,  C22C38/58

CPC classification number: C22C38/58 ,  C21D6/004 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/44

Abstract: The present invention relates to duplex ferritic austenitic stainless steel for the use chemical industry for nitric acid environments wherein good uniform corrosion resistance and high strength are required. The microstructure of the stainless steel has 35-65 volume % of ferrite, preferably 45-55 volume % of ferrite, the balance being austenite. The chemical composition contains less than 0.03 weight % carbon, less than 1 weight % silicon, less than 3 weight % manganese, 26-29.5 weight % chromium, 5-8.5 weight % nickel, 1-3 weight % molybdenum, 0.25-0.35 weight % nitrogen, 1-3 weight % copper, the rest being iron and inevitable impurities occurring in stainless steels.

公开(公告)号：FI20110291A

公开(公告)日：2013-03-08

申请号：FI20110291

申请日：2011-09-07

Applicant: OUTOKUMPU OY

Inventor： OLIVER JAMES ,  JONSSON JAN Y ,  THULIN ALEXANDER

IPC: C22C38/02 ,  C22C38/04 ,  C22C38/16 ,  C22C38/44

公开(公告)号：ZA201402051B

公开(公告)日：2015-11-25

申请号：ZA201402051

申请日：2014-03-20

Applicant: OUTOKUMPU OY

Inventor： THULIN ALEXANDER ,  JONSSON JAN Y ,  OLIVER JAMES

Abstract: The invention relates a duplex ferritic austenitic stainless steel having high formability utilizing the TRIP effect and high corrosion resistance with the balanced pitting resistance equivalent. The duplex stainless steel contains less than 0.04 weight % carbon, less than 0.7 weight % silicon, less than 2.5 weight % manganese, 18.5-22.5 weight % chromium, 0.8-4.5 weight % nickel, 0.6-1.4 weight % molybdenum, less than 1 weight % copper, 0.10-0.24 weight % nitrogen, the rest being iron and inevitable impurities occurring in stainless steels.

公开(公告)号：MX2014002714A

公开(公告)日：2014-07-30

申请号：MX2014002714

申请日：2012-09-05

Applicant: OUTOKUMPU OY

Inventor： OLIVER JAMES ,  JONSSON JAN Y ,  THULIN ALEXANDER

IPC: C22C38/02 ,  C22C38/42 ,  C22C38/44 ,  C22C38/58

Abstract: La invención se relaciona a un acero inoxidable, austenítico, ferrítico y dúplex que tiene una alta formabilidad usando el efecto TRIP y una alta resistencia a la corrosión con el equivalente a resistencia a corrosión por picadura balanceado. El acero inoxidable dúplex contiene menos de 0.04% en peso de carbono, menos de 0.7% en pedo de silicio, menos de 2.5% de peso en manganeso, 18.5- 22.5 % en peso de cromo, 0.8 - 4.5% en peso de níquel, 0.6 - 1.4% de peso en molibdeno, menos de 1% en peso de cobre, 0.10-0.24% en peso de nitrógeno, el resto siendo hierro e impurezas inevitables que contiene el acero inoxidable.

公开(公告)号：BR112014005275B1

公开(公告)日：2022-09-20

申请号：BR112014005275

申请日：2012-09-05

Applicant: OUTOKUMPU OY

Inventor： OLIVER JAMES ,  JONSSON JAN Y ,  THULIN ALEXANDER

IPC: C22C38/02 ,  C22C38/42 ,  C22C38/44 ,  C22C38/58

Abstract: AÇO INOXIDÁVEL DUPLEX A presente invenção está correlacionada a um aço inoxidável duplex ferrítico-austenítico, o qual apresenta uma alta formabilidade utilizando o efeito TRIP, e uma alta resistência à corrosão e equivalente resistência à corrosão por ponto otimizada. O aço inoxidável duplex contém menos de 0,04% em peso de carbono, menos de 0,7% em peso de silício, menos de 2,5% em peso de manganês, de 18,5-22,5% em peso de cromo, de 0, 8-4, 5% em peso de níquel, de 0, 6-1, 4% em peso de molibdênio, menos de 1% em peso de cobre, de 0,10-0,24% em peso de nitrogênio, o restante sendo ferro e inevitáveis impurezas que ocorrem nos aços invenção inoxidáveis.

公开(公告)号：CA2847076C

公开(公告)日：2019-09-03

申请号：CA2847076

申请日：2012-09-05

Applicant: OUTOKUMPU OY

Inventor： OLIVER JAMES ,  JONSSON JAN Y ,  THULIN ALEXANDER

IPC: C22C38/44

Abstract: The invention relates a duplex ferritic austenitic stainless steel having high formability utilizing the TRIP effect and high corrosion resistance with the balanced pitting resistance equivalent. The duplex stainless steel contains less than 0,04 weight % carbon, less than 0,7 weight % silicon, less than 2,5 weight % manganese, 18,5-22,5 weight % chromium, 0,8-4,5 weight % nickel, 0,6-1,4 weight % molybdenum, less than 1 weight % copper, 0,10-0,24 weight % nitrogen, the rest being iron and inevitable impurities occurring in stainless steels.

公开(公告)号：AU2012306232A1

公开(公告)日：2014-03-20

申请号：AU2012306232

申请日：2012-09-05

Applicant: OUTOKUMPU OY

Inventor： OLIVER JAMES ,  JONSSON JAN Y ,  THULIN ALEXANDER

IPC: C22C38/02 ,  C22C38/42 ,  C22C38/44 ,  C22C38/58

Abstract: The invention relates a duplex ferritic austenitic stainless steel having high formability utilizing the TRIP effect and high corrosion resistance with the balanced pitting resistance equivalent. The duplex stainless steel contains less than 0,04 weight % carbon, less than 0,7 weight % silicon, less than 2,5 weight % manganese, 18,5-22,5 weight % chromium, 0,8-4,5 weight % nickel, 0,6-1,4 weight % molybdenum, less than 1 weight % copper, 0,10-0,24 weight % nitrogen, the rest being iron and inevitable impurities occurring in stainless steels.

公开(公告)号：CA2847076A1

公开(公告)日：2013-03-14

申请号：CA2847076

申请日：2012-09-05

Applicant: OUTOKUMPU OY

Inventor： OLIVER JAMES ,  JONSSON JAN Y ,  THULIN ALEXANDER

IPC: C22C38/02 ,  C22C38/42 ,  C22C38/44 ,  C22C38/58

Abstract: The invention relates a duplex ferritic austenitic stainless steel having high formability utilizing the TRIP effect and high corrosion resistance with the balanced pitting resistance equivalent. The duplex stainless steel contains less than 0,04 weight % carbon, less than 0,7 weight % silicon, less than 2,5 weight % manganese, 18,5-22,5 weight % chromium, 0,8-4,5 weight % nickel, 0,6-1,4 weight % molybdenum, less than 1 weight % copper, 0,10-0,24 weight % nitrogen, the rest being iron and inevitable impurities occurring in stainless steels.