EP2215421A4 - Use of a duplex stainless steel in a phosphoric acid production system - Google Patents

Use of a duplex stainless steel in a phosphoric acid production system

Info

Publication number
EP2215421A4
EP2215421A4 EP08841210A EP08841210A EP2215421A4 EP 2215421 A4 EP2215421 A4 EP 2215421A4 EP 08841210 A EP08841210 A EP 08841210A EP 08841210 A EP08841210 A EP 08841210A EP 2215421 A4 EP2215421 A4 EP 2215421A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
phosphoric acid
production system
acid production
duplex stainless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08841210A
Other languages
German (de)
French (fr)
Other versions
EP2215421A1 (en
Inventor
Sabina Ronneteg
Knut Tersmeden
Anna-Lena Nystroem
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandvik Intellectual Property AB
Original Assignee
Sandvik Intellectual Property AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandvik Intellectual Property AB filed Critical Sandvik Intellectual Property AB
Publication of EP2215421A1 publication Critical patent/EP2215421A1/en
Publication of EP2215421A4 publication Critical patent/EP2215421A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
    • F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP08841210A 2007-10-26 2008-10-24 Use of a duplex stainless steel in a phosphoric acid production system Withdrawn EP2215421A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0702392A SE531593C2 (en) 2007-10-26 2007-10-26 Heat exchanger for phosphoric acid environment
PCT/SE2008/051204 WO2009054799A1 (en) 2007-10-26 2008-10-24 Use of a duplex stainless steel in a phosphoric acid production system

Publications (2)

Publication Number Publication Date
EP2215421A1 EP2215421A1 (en) 2010-08-11
EP2215421A4 true EP2215421A4 (en) 2010-10-06

Family

ID=40579783

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08841210A Withdrawn EP2215421A4 (en) 2007-10-26 2008-10-24 Use of a duplex stainless steel in a phosphoric acid production system

Country Status (4)

Country Link
US (1) US20100294472A1 (en)
EP (1) EP2215421A4 (en)
SE (1) SE531593C2 (en)
WO (1) WO2009054799A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2746285C (en) * 2011-03-31 2018-01-23 Nova Chemicals Corporation Furnace coil fins

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338745A (en) * 1963-07-03 1967-08-29 Grace W R & Co Method for cleaning evaporator tubes
JPH03146641A (en) * 1989-11-01 1991-06-21 Taiheiyo Tokushu Chuzo Kk Duplex stainless cast steel for manufacturing apparatus for wet type phosphoric acid
EP0455625A1 (en) * 1990-05-03 1991-11-06 BÖHLER Edelstahl GmbH High strength corrosion-resistant duplex alloy
US20030086808A1 (en) * 2001-09-02 2003-05-08 Ann Sundstrom Duplex stainless steel alloy
US20030133823A1 (en) * 2001-09-02 2003-07-17 Ann Sundstrom Use of a duplex stainless steel alloy

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU296446A1 (en) * 1966-08-04 1972-01-07 Центральный научно исследовательский институт черной металлургии STAINLESS STEEL
EP1645650A4 (en) * 2003-06-30 2007-07-25 Sumitomo Metal Ind Duplex stainless steel
US7396421B2 (en) * 2003-08-07 2008-07-08 Sumitomo Metal Industries, Ltd. Duplex stainless steel and manufacturing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338745A (en) * 1963-07-03 1967-08-29 Grace W R & Co Method for cleaning evaporator tubes
JPH03146641A (en) * 1989-11-01 1991-06-21 Taiheiyo Tokushu Chuzo Kk Duplex stainless cast steel for manufacturing apparatus for wet type phosphoric acid
EP0455625A1 (en) * 1990-05-03 1991-11-06 BÖHLER Edelstahl GmbH High strength corrosion-resistant duplex alloy
US20030086808A1 (en) * 2001-09-02 2003-05-08 Ann Sundstrom Duplex stainless steel alloy
US20030133823A1 (en) * 2001-09-02 2003-07-17 Ann Sundstrom Use of a duplex stainless steel alloy

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
AGARWAL, D.C.: "Duplex Stainless Steels, the cost effective Answer to Corrosion Problems of major Industries", KEY ENGINEERING MATERIALS, vol. 20-28, 1988, Trans Tech Publications, Switzerland, pages 1677 - 1692 *
JAQUES CHARLES, BRUNO VINCENT: "Duplex stainless steels for chemical tankers", DUPLEX STAINLESS STEELS 97 - 5TH WORLD CONFERENCE, 1997, Retrieved from the Internet <URL:http://www.stainless-steel-world.net/pdf/D97_018.pdf> [retrieved on 20100830] *

Also Published As

Publication number Publication date
SE531593C2 (en) 2009-06-02
WO2009054799A1 (en) 2009-04-30
SE0702392L (en) 2009-04-27
US20100294472A1 (en) 2010-11-25
EP2215421A1 (en) 2010-08-11

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20160607