GB1456634A - High strength stainless steel having a high resistance to corro sive and abrasive wear in corrosive environments particularly chloride environments - Google Patents

High strength stainless steel having a high resistance to corro sive and abrasive wear in corrosive environments particularly chloride environments

Info

Publication number
GB1456634A
GB1456634A GB4253472A GB4253472A GB1456634A GB 1456634 A GB1456634 A GB 1456634A GB 4253472 A GB4253472 A GB 4253472A GB 4253472 A GB4253472 A GB 4253472A GB 1456634 A GB1456634 A GB 1456634A
Authority
GB
United Kingdom
Prior art keywords
stainless steel
environments
marine
solution
abrasive wear
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.)
Expired
Application number
GB4253472A
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.)
Langley Alloys Ltd
Original Assignee
Langley Alloys Ltd
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 Langley Alloys Ltd filed Critical Langley Alloys Ltd
Priority to GB4253472A priority Critical patent/GB1456634A/en
Priority to CA181,019A priority patent/CA995928A/en
Publication of GB1456634A publication Critical patent/GB1456634A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

1456634 Stainless steel compositions LANGLEY ALLOYS Ltd 13 Dec 1973 [13 Sept 1972] 42534/72 Addition to 1158614 Heading C7A A stainless steel alloy as defined in Specification No. 1158614 and consisting, by weight, of:- the balance being iron, is provided with a microstructure having 40 to 60% austenitic grains in a ferrite matrix and a corrosion resistance measured by a potentiostatic test such that when held at a potential of 600 mv. in a 3% solution of NaCI at 30‹C for 10 minutes, the current flow does not exceed 100 microamps per sq. centimetre, these properties being conferred by solution heattreatment at 1050 to 1150‹C. An optional hotworking may be incorporated, e.g. rolling forging or extrusion. The solution heat-treated product may be aged at 480 to 550‹C for 2 to 6 hours. The products are particularly suited to materials in marine or chemically corrosive environments, e.g. marine propellers and shafts, valves, pumps or pies and valves in chemical apparatus; the invention is also applicable to the scrubber tanks of marine tankers.
GB4253472A 1972-09-13 1972-09-13 High strength stainless steel having a high resistance to corro sive and abrasive wear in corrosive environments particularly chloride environments Expired GB1456634A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4253472A GB1456634A (en) 1972-09-13 1972-09-13 High strength stainless steel having a high resistance to corro sive and abrasive wear in corrosive environments particularly chloride environments
CA181,019A CA995928A (en) 1972-09-13 1973-09-13 Corrosion and abrasion resistant high strength stainless steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4253472A GB1456634A (en) 1972-09-13 1972-09-13 High strength stainless steel having a high resistance to corro sive and abrasive wear in corrosive environments particularly chloride environments

Publications (1)

Publication Number Publication Date
GB1456634A true GB1456634A (en) 1976-11-24

Family

ID=10424844

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4253472A Expired GB1456634A (en) 1972-09-13 1972-09-13 High strength stainless steel having a high resistance to corro sive and abrasive wear in corrosive environments particularly chloride environments

Country Status (2)

Country Link
CA (1) CA995928A (en)
GB (1) GB1456634A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060577A1 (en) * 1981-03-16 1982-09-22 BBC Brown Boveri AG Turbine blade material with high fatigue-corrosion resistance, method of production and use
GB2123437A (en) * 1982-05-13 1984-02-01 Kobe Steel Ltd Dual phase stainless steel suitable for use in sour wells
GB2128632A (en) * 1982-10-23 1984-05-02 Mather & Platt Ltd Stainless steel
GB2133037A (en) * 1983-01-05 1984-07-18 Carpenter Technology Corp Stainless duplex ferritic- austenitic steel, articles made therefrom and method of enhancing intergranular corrosion resistance of a weld of the stainless duplex ferritic austenitic steel
EP0337846A1 (en) * 1988-04-15 1989-10-18 Creusot-Loire Industrie Austeno-ferritic stainless steel
EP0683241A3 (en) * 1994-05-21 1996-05-08 Park Yong S Duplex stainless steel with high corrosion resistance.
EP2677054A4 (en) * 2011-02-14 2016-12-28 Nippon Steel & Sumitomo Metal Corp Duplex stainless steel, and process for production thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112599209A (en) * 2020-12-03 2021-04-02 南京钢铁股份有限公司 Weather-resistant steel design method based on corrosion map
CN115679225A (en) * 2021-07-28 2023-02-03 叶均蔚 High chromium silicon corrosion resistant steel and use thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060577A1 (en) * 1981-03-16 1982-09-22 BBC Brown Boveri AG Turbine blade material with high fatigue-corrosion resistance, method of production and use
GB2123437A (en) * 1982-05-13 1984-02-01 Kobe Steel Ltd Dual phase stainless steel suitable for use in sour wells
GB2128632A (en) * 1982-10-23 1984-05-02 Mather & Platt Ltd Stainless steel
GB2133037A (en) * 1983-01-05 1984-07-18 Carpenter Technology Corp Stainless duplex ferritic- austenitic steel, articles made therefrom and method of enhancing intergranular corrosion resistance of a weld of the stainless duplex ferritic austenitic steel
EP0337846A1 (en) * 1988-04-15 1989-10-18 Creusot-Loire Industrie Austeno-ferritic stainless steel
FR2630132A1 (en) * 1988-04-15 1989-10-20 Creusot Loire AUSTENO-FERRITIQUE STAINLESS STEEL
EP0683241A3 (en) * 1994-05-21 1996-05-08 Park Yong S Duplex stainless steel with high corrosion resistance.
EP2677054A4 (en) * 2011-02-14 2016-12-28 Nippon Steel & Sumitomo Metal Corp Duplex stainless steel, and process for production thereof

Also Published As

Publication number Publication date
CA995928A (en) 1976-08-31

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years