GB2015570A - Improvements in or relating to steel alloys - Google Patents

Improvements in or relating to steel alloys

Info

Publication number
GB2015570A
GB2015570A GB7905178A GB7905178A GB2015570A GB 2015570 A GB2015570 A GB 2015570A GB 7905178 A GB7905178 A GB 7905178A GB 7905178 A GB7905178 A GB 7905178A GB 2015570 A GB2015570 A GB 2015570A
Authority
GB
United Kingdom
Prior art keywords
steel alloys
alloys
relating
range
niobium
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.)
Granted
Application number
GB7905178A
Other versions
GB2015570B (en
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.)
SHEEPBRIDGE ALLOY CASTING Ltd
Original Assignee
SHEEPBRIDGE ALLOY CASTING 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 SHEEPBRIDGE ALLOY CASTING Ltd filed Critical SHEEPBRIDGE ALLOY CASTING Ltd
Publication of GB2015570A publication Critical patent/GB2015570A/en
Application granted granted Critical
Publication of GB2015570B publication Critical patent/GB2015570B/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
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Heat Treatment Of Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

The invention relates to steel alloys. The specification discloses steel alloys containing carbon in the range 0.30 to 0.50%, Nickel 18 to 23%, chromium 20 to 24%, cobalt 5 to 13% and niobium in the range 4.5 to 5.5 times the carbon content with a balance of iron. The alloys may also contain silicon and manganese, and a small amount of Ce. The alloys are particularly suitable for high temperature applications e.g. chemical plant where corrosion resistance is required.
GB7905178A 1978-02-28 1979-02-14 Steel alloys Expired GB2015570B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB798378 1978-02-28

Publications (2)

Publication Number Publication Date
GB2015570A true GB2015570A (en) 1979-09-12
GB2015570B GB2015570B (en) 1982-06-16

Family

ID=9843521

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7905178A Expired GB2015570B (en) 1978-02-28 1979-02-14 Steel alloys

Country Status (4)

Country Link
DE (1) DE2907593A1 (en)
FR (1) FR2418278A1 (en)
GB (1) GB2015570B (en)
NL (1) NL7901550A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57140643A (en) * 1981-02-25 1982-08-31 Kubota Ltd Coated pipe for reactor subjected to pyrolysis and reforming of hydrocarbon

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR938491A (en) * 1944-04-21 1948-09-16 Allegheny Ludlum Steel Improvements in Heat Resistant Alloys Containing Cobalt
GB670555A (en) * 1946-04-12 1952-04-23 Jessop William & Sons Ltd Improvements in or relating to nickel-chromium steels
GB1070103A (en) * 1963-09-20 1967-05-24 Nippon Yakin Kogyo Co Ltd High strength precipitation hardening heat resisting alloys
JPS5040099B1 (en) * 1971-03-09 1975-12-22

Also Published As

Publication number Publication date
DE2907593A1 (en) 1979-09-06
GB2015570B (en) 1982-06-16
FR2418278A1 (en) 1979-09-21
NL7901550A (en) 1979-08-30

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee