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GB1292480A - Improvements in stainless steel - Google Patents

Improvements in stainless steel

Info

Publication number
GB1292480A
GB1292480A GB3361770A GB3361770A GB1292480A GB 1292480 A GB1292480 A GB 1292480A GB 3361770 A GB3361770 A GB 3361770A GB 3361770 A GB3361770 A GB 3361770A GB 1292480 A GB1292480 A GB 1292480A
Authority
GB
United Kingdom
Prior art keywords
stainless steel
less
july
function
present
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
GB3361770A
Inventor
Clarence George Bieber
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.)
Inco Ltd
Original Assignee
Inco 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 Inco Ltd filed Critical Inco Ltd
Publication of GB1292480A publication Critical patent/GB1292480A/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

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)

Abstract

1292480 Improved stainless steel INTERNATIONAL NICKEL Ltd 10 July 1970 [11 July 1969] 33617/70 Heading C7A A stainless steel comprises in per cent by weight: - Cr 30-36 Ni 2-8 Mo 0À5-5 C less than 0À1 Si up to 3 Ti less than 2 V up to 2 Nb up to 2 Zr up to 2 Ta up to 2 Al up to 2 Mn up to 2 Co up to 10 W up to 4 Fe and incidental impurities - balance, where the total of Ti, V, Nb, Zr and Ta does not exceed 4% and the function Cr + 3Mn + 3Si is from 34 to 48 and where if that function is less than 41 and the steel was produced by air melting, at least one of Ti, Nb, V, Ta or Zr is present. The carbon content is preferably not more than 0À03%. The steels may be poured at temperatures in the range of 1, 540-1, 595‹C., hot finished at 760-816‹C., annealed at 1,038-1,205‹C, cold rolled and finally annealed at 1,066-1,122‹C. Present in the alloy as impurities may be S, H, O. Uses specified for the alloys include seawater and sea atmosphere environments.
GB3361770A 1969-07-11 1970-07-10 Improvements in stainless steel Expired GB1292480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84112169A 1969-07-11 1969-07-11

Publications (1)

Publication Number Publication Date
GB1292480A true GB1292480A (en) 1972-10-11

Family

ID=25284068

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3361770A Expired GB1292480A (en) 1969-07-11 1970-07-10 Improvements in stainless steel

Country Status (6)

Country Link
JP (1) JPS4911288B1 (en)
BE (1) BE753286A (en)
CA (1) CA922544A (en)
DE (1) DE2034455A1 (en)
FR (1) FR2054977A5 (en)
GB (1) GB1292480A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA285473A (en) * 1972-04-24 1976-09-15 Bofors Ab AUSTENITIC-FERRITIC, STAINLESS STEEL WITH HIGH STRENGTH AND GOOD CORROSION RESISTANCE
AT338854B (en) * 1972-09-04 1977-09-26 Ver Edelstahlwerke Ag FERRITIC OR FERRITIC-AUSTENITIC STEEL ALLOYS FOR OBJECTS THAT ARE CORROSION-RESISTANT TO ACID AND WATER MIXTURES UP TO 70 DEGREES C.

Also Published As

Publication number Publication date
BE753286A (en) 1971-01-11
DE2034455A1 (en) 1971-01-14
JPS4911288B1 (en) 1974-03-15
CA922544A (en) 1973-03-13
FR2054977A5 (en) 1971-05-07

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees