ES2401753T3 - Método de preparación de un acero inoxidable de alta resistencia, alta tenacidad, resistente a la fatiga y endurecible por precipitación - Google Patents

Método de preparación de un acero inoxidable de alta resistencia, alta tenacidad, resistente a la fatiga y endurecible por precipitación Download PDF

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Publication number
ES2401753T3
ES2401753T3 ES09713773T ES09713773T ES2401753T3 ES 2401753 T3 ES2401753 T3 ES 2401753T3 ES 09713773 T ES09713773 T ES 09713773T ES 09713773 T ES09713773 T ES 09713773T ES 2401753 T3 ES2401753 T3 ES 2401753T3
Authority
ES
Spain
Prior art keywords
max
alloy
calcium
melting
sulfur
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.)
Active
Application number
ES09713773T
Other languages
English (en)
Spanish (es)
Inventor
Robert Wayne Krieble
William Joseph Martin
Thomas Constantine Zogas
David Elmer Wert
Paul Michael Novotny
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.)
CRS Holdings LLC
Original Assignee
CRS Holdings LLC
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40637897&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2401753(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by CRS Holdings LLC filed Critical CRS Holdings LLC
Application granted granted Critical
Publication of ES2401753T3 publication Critical patent/ES2401753T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
    • 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
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/005—Manufacture of stainless steel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Articles (AREA)
  • Powder Metallurgy (AREA)
ES09713773T 2008-02-29 2009-02-27 Método de preparación de un acero inoxidable de alta resistencia, alta tenacidad, resistente a la fatiga y endurecible por precipitación Active ES2401753T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US3259808P 2008-02-29 2008-02-29
US32598P 2008-02-29
PCT/US2009/035548 WO2009108892A1 (fr) 2008-02-29 2009-02-27 Procédé de réalisation d’un acier inoxydable durcissable par précipitation, résistant à la fatigue, à rigidité et à résistance élevées

Publications (1)

Publication Number Publication Date
ES2401753T3 true ES2401753T3 (es) 2013-04-24

Family

ID=40637897

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09713773T Active ES2401753T3 (es) 2008-02-29 2009-02-27 Método de preparación de un acero inoxidable de alta resistencia, alta tenacidad, resistente a la fatiga y endurecible por precipitación

Country Status (9)

Country Link
US (2) US20090283182A1 (fr)
EP (1) EP2247761B1 (fr)
KR (1) KR20100135242A (fr)
CN (1) CN102016082A (fr)
CA (1) CA2718576C (fr)
ES (1) ES2401753T3 (fr)
IL (1) IL208088A0 (fr)
TW (1) TW201002831A (fr)
WO (1) WO2009108892A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201408782A (zh) * 2012-08-31 2014-03-01 Metal Ind Res & Dev Ct 深冷處理方法及其外殼的製造方法
JP6113456B2 (ja) * 2012-10-17 2017-04-12 三菱日立パワーシステムズ株式会社 析出硬化型マルテンサイト系ステンレス鋼とそれを用いた蒸気タービン長翼
US20140161658A1 (en) * 2012-12-06 2014-06-12 Crs Holdings, Inc. High Strength Precipitation Hardenable Stainless Steel
JP6005234B1 (ja) * 2015-09-29 2016-10-12 日新製鋼株式会社 疲労特性に優れた高強度ステンレス鋼板およびその製造方法
SE539763C2 (en) * 2016-06-16 2017-11-21 Uddeholms Ab Steel suitable for plastic molding tools
CA3168997A1 (fr) * 2020-02-26 2021-09-02 Crs Holdings, Llc Acier inoxydable durcissable par precipitation a haute resistance, a tenacite elevee a la fracture
CN114058767B (zh) * 2021-11-15 2022-09-09 东北大学 一种细化超级不锈钢中稀土夹杂物的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043798A (en) * 1974-09-20 1977-08-23 Sumitomo Metal Industries Limited Process for producing steel having improved low temperature impact characteristics
US5855844A (en) * 1995-09-25 1999-01-05 Crs Holdings, Inc. High-strength, notch-ductile precipitation-hardening stainless steel alloy and method of making
US5681528A (en) * 1995-09-25 1997-10-28 Crs Holdings, Inc. High-strength, notch-ductile precipitation-hardening stainless steel alloy
US5866066A (en) * 1996-09-09 1999-02-02 Crs Holdings, Inc. Age hardenable alloy with a unique combination of very high strength and good toughness
US5922148A (en) * 1997-02-25 1999-07-13 Howmet Research Corporation Ultra low sulfur superalloy castings and method of making
EP1373590B1 (fr) * 2001-03-27 2005-01-12 Crs Holdings, Inc. Acier inoxydable durcissable par precipitation et ultra-resistant et bande allongee produite avec cet acier

Also Published As

Publication number Publication date
CA2718576A1 (fr) 2009-09-03
US20120055288A1 (en) 2012-03-08
US20090283182A1 (en) 2009-11-19
EP2247761B1 (fr) 2012-12-19
WO2009108892A1 (fr) 2009-09-03
EP2247761A1 (fr) 2010-11-10
TW201002831A (en) 2010-01-16
CA2718576C (fr) 2013-02-12
CN102016082A (zh) 2011-04-13
IL208088A0 (en) 2010-12-30
KR20100135242A (ko) 2010-12-24

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