GB788468A - Forgeable high strength austenitic alloy steel with niobium-tantalum addition - Google Patents

Forgeable high strength austenitic alloy steel with niobium-tantalum addition

Info

Publication number
GB788468A
GB788468A GB21619/55A GB2161955A GB788468A GB 788468 A GB788468 A GB 788468A GB 21619/55 A GB21619/55 A GB 21619/55A GB 2161955 A GB2161955 A GB 2161955A GB 788468 A GB788468 A GB 788468A
Authority
GB
United Kingdom
Prior art keywords
per cent
alloy steel
niobium
high strength
austenitic alloy
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
GB21619/55A
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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox Co
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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Publication of GB788468A publication Critical patent/GB788468A/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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

A forgeable austenitic alloy steel, having good high temperature properties and being suitable for boiler superheater tubes has a composition within the following range: Cr 14.36-20.0 per cent; Ni., 12.0-18.0 per cent; C, 0.02-0.15 per cent; Mn 0.25-2.5 per cent; Si, 0.1-1.03 per cent; Ta with or without Nb, 1.0-3.5 per cent; Fe and impurities the balance. The alloy may also include Cu up to 3.0 per cent with or without Mo up to 3.0 per cent. The alloy may be solution treated at 2200 DEG F.-2300 DEG F. and aged at 1300 DEG F.-1500 DEG F.
GB21619/55A 1954-07-30 1955-07-26 Forgeable high strength austenitic alloy steel with niobium-tantalum addition Expired GB788468A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US788468XA 1954-07-30 1954-07-30

Publications (1)

Publication Number Publication Date
GB788468A true GB788468A (en) 1958-01-02

Family

ID=22146562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21619/55A Expired GB788468A (en) 1954-07-30 1955-07-26 Forgeable high strength austenitic alloy steel with niobium-tantalum addition

Country Status (1)

Country Link
GB (1) GB788468A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1306600A1 (en) * 2000-08-01 2003-05-02 Nisshin Steel Co., Ltd. Stainless steel oil feeding pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1306600A1 (en) * 2000-08-01 2003-05-02 Nisshin Steel Co., Ltd. Stainless steel oil feeding pipe
EP1306600A4 (en) * 2000-08-01 2005-12-21 Nisshin Steel Co Ltd Stainless steel oil feeding pipe

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