MX156238A - IMPROVED METHOD FOR PRODUCING FERRITIC STAINLESS STEEL - Google Patents

IMPROVED METHOD FOR PRODUCING FERRITIC STAINLESS STEEL

Info

Publication number
MX156238A
MX156238A MX190981A MX19098182A MX156238A MX 156238 A MX156238 A MX 156238A MX 190981 A MX190981 A MX 190981A MX 19098182 A MX19098182 A MX 19098182A MX 156238 A MX156238 A MX 156238A
Authority
MX
Mexico
Prior art keywords
less
steel
stainless steel
ferritic stainless
titanium
Prior art date
Application number
MX190981A
Other languages
Spanish (es)
Inventor
Thomas Humes Maccunn
Harry Edward Deverell
Original Assignee
Allegheny Ludlum Steel
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22845370&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX156238(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Allegheny Ludlum Steel filed Critical Allegheny Ludlum Steel
Publication of MX156238A publication Critical patent/MX156238A/en

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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium

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)
  • Heat Treatment Of Sheet Steel (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Heat Treatment Of Articles (AREA)
  • Laminated Bodies (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

A low interstitial, corrosion resistant, weldable ferritic stainless steel has an addition of between 0.05 and 0.50% by weight columbium and/or titanium to give the steel improved toughness when the maximum achievable cooling rate is limited. The steel consists of the following composition by weight percent: between 25.0 and 35% chromium, between 3.6 and 5.6% molybdenum, between 0.05 and 0.50% of columbium and/or titanium, less than 3.0% nickel, less than 2.0% manganese, less than 2.0% silicon, less than 0.5% aluminium, less than 0.5% copper, less than 0.050% phosphorous, less than 0.050% sulfur, less than 0.01% carbon, less than 0.02% nitrogen, the carbon plus nitrogen content being less than 0.025%, and the balance iron. A process is also disclosed which comprises air-cooling a steel having the above composition from the annealing temperature before cold rolling.
MX190981A 1981-01-16 1982-01-14 IMPROVED METHOD FOR PRODUCING FERRITIC STAINLESS STEEL MX156238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22556681A 1981-01-16 1981-01-16

Publications (1)

Publication Number Publication Date
MX156238A true MX156238A (en) 1988-07-27

Family

ID=22845370

Family Applications (1)

Application Number Title Priority Date Filing Date
MX190981A MX156238A (en) 1981-01-16 1982-01-14 IMPROVED METHOD FOR PRODUCING FERRITIC STAINLESS STEEL

Country Status (10)

Country Link
EP (1) EP0057316B1 (en)
JP (1) JPS57137455A (en)
KR (1) KR880001356B1 (en)
AT (1) ATE12527T1 (en)
AU (1) AU7829481A (en)
BR (1) BR8200150A (en)
CA (1) CA1184403A (en)
DE (1) DE3169748D1 (en)
ES (1) ES8305049A1 (en)
MX (1) MX156238A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6331535A (en) * 1986-07-23 1988-02-10 Jgc Corp Apparatus for treating carbon-containing compound having carbon precipitation suppressing property
US4942922A (en) * 1988-10-18 1990-07-24 Crucible Materials Corporation Welded corrosion-resistant ferritic stainless steel tubing having high resistance to hydrogen embrittlement and a cathodically protected heat exchanger containing the same
FR2644478B1 (en) * 1989-03-16 1993-10-15 Ugine Aciers Chatillon Gueugnon
JP2739531B2 (en) * 1991-09-17 1998-04-15 日新製鋼株式会社 Ferritic stainless steel with excellent weld corrosion resistance
EP0727503B1 (en) * 1993-10-20 2001-09-26 Sumitomo Metal Industries, Ltd. Stainless steel for high-purity gas

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2183715A (en) * 1938-05-21 1939-12-19 Electro Metallurg Co Corrosion resistant steel alloy
GB1359629A (en) * 1971-10-26 1974-07-10 Deutsche Edelstahlwerke Gmbh Corrosion-resistant ferritic chrome steel
DK143202C (en) * 1972-04-14 1981-11-23 Nyby Bruk Ab WELDED CONSTRUCTIONS LIKE HEAT EXCHANGERS
SU515825A1 (en) * 1974-05-13 1976-05-30 Предприятие П/Я В-2120 Ferritic steel
DE2701329C2 (en) * 1977-01-14 1983-03-24 Thyssen Edelstahlwerke AG, 4000 Düsseldorf Corrosion-resistant ferritic chrome-molybdenum-nickel steel
US4331474A (en) * 1980-09-24 1982-05-25 Armco Inc. Ferritic stainless steel having toughness and weldability

Also Published As

Publication number Publication date
ES508364A0 (en) 1983-03-16
AU7829481A (en) 1982-07-22
JPS57137455A (en) 1982-08-25
KR880001356B1 (en) 1988-07-28
ATE12527T1 (en) 1985-04-15
EP0057316B1 (en) 1985-04-03
BR8200150A (en) 1982-11-03
CA1184403A (en) 1985-03-26
EP0057316A1 (en) 1982-08-11
ES8305049A1 (en) 1983-03-16
DE3169748D1 (en) 1985-05-09
KR830007871A (en) 1983-11-07

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