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GB802830A - Improvements relating to ferritic alloy steels for use at elevated temperatures - Google Patents

Improvements relating to ferritic alloy steels for use at elevated temperatures

Info

Publication number
GB802830A
GB802830A GB998956A GB998956A GB802830A GB 802830 A GB802830 A GB 802830A GB 998956 A GB998956 A GB 998956A GB 998956 A GB998956 A GB 998956A GB 802830 A GB802830 A GB 802830A
Authority
GB
United Kingdom
Prior art keywords
per cent
elevated temperatures
improvements relating
alloy steels
ferritic 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
GB998956A
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.)
CHARLES SYKES F R S
ROBERT MOWBRAY NORRIS GRAY
Original Assignee
CHARLES SYKES F R S
ROBERT MOWBRAY NORRIS GRAY
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 CHARLES SYKES F R S, ROBERT MOWBRAY NORRIS GRAY filed Critical CHARLES SYKES F R S
Priority to GB998956A priority Critical patent/GB802830A/en
Priority to CH4383157A priority patent/CH365098A/en
Priority to ES0234271A priority patent/ES234271A1/en
Publication of GB802830A publication Critical patent/GB802830A/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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron

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)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

A forgeable ferritic alloy has the following composition: C 0.03 to 0.30 per cent; Cr 4 to 20 per cent; W over 3 to 16 per cent; V 0.1 to 2.0 per cent; Nb and/or Ta 0.05 to 2.5 per cent; Si 0.3 to 2.0 per cent; Mn 0.5 to 4 per cent; Ni 0.1 to 1.5 per cent; N a spectrographic trace up to 0.25 per cent; B a spectrographic trace up to 0.5 per cent; Co 5 to 20 per cent; Mo 0 to 3 per cent. the remainder Fe and incidental impurities. Specifications 658,115, 669,396, 731,684 and 734,676 are referred to.
GB998956A 1956-03-29 1956-03-29 Improvements relating to ferritic alloy steels for use at elevated temperatures Expired GB802830A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB998956A GB802830A (en) 1956-03-29 1956-03-29 Improvements relating to ferritic alloy steels for use at elevated temperatures
CH4383157A CH365098A (en) 1956-03-29 1957-03-14 Ferritic steel alloy
ES0234271A ES234271A1 (en) 1956-03-29 1957-03-16 Improvements relating to ferritic alloy steels for use at elevated temperatures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB998956A GB802830A (en) 1956-03-29 1956-03-29 Improvements relating to ferritic alloy steels for use at elevated temperatures

Publications (1)

Publication Number Publication Date
GB802830A true GB802830A (en) 1958-10-15

Family

ID=9882494

Family Applications (1)

Application Number Title Priority Date Filing Date
GB998956A Expired GB802830A (en) 1956-03-29 1956-03-29 Improvements relating to ferritic alloy steels for use at elevated temperatures

Country Status (2)

Country Link
ES (1) ES234271A1 (en)
GB (1) GB802830A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0626463A1 (en) * 1993-05-28 1994-11-30 ABB Management AG Heat- and creepresisting steel with martensitic structure, obtained by a thermal treatment process
DE4436874A1 (en) * 1994-10-15 1996-04-18 Abb Management Ag Heat- and creep-resistant steel
WO2004024970A1 (en) * 2002-09-16 2004-03-25 Borgwarner, Inc. High temperature alloy particularly suitable for a long-life turbocharger nozzle ring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0626463A1 (en) * 1993-05-28 1994-11-30 ABB Management AG Heat- and creepresisting steel with martensitic structure, obtained by a thermal treatment process
DE4436874A1 (en) * 1994-10-15 1996-04-18 Abb Management Ag Heat- and creep-resistant steel
WO2004024970A1 (en) * 2002-09-16 2004-03-25 Borgwarner, Inc. High temperature alloy particularly suitable for a long-life turbocharger nozzle ring

Also Published As

Publication number Publication date
ES234271A1 (en) 1957-09-01

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