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PL2110454T3 - Forging steel, and forged products obtainable therefrom - Google Patents

Forging steel, and forged products obtainable therefrom

Info

Publication number
PL2110454T3
PL2110454T3 PL09000098T PL09000098T PL2110454T3 PL 2110454 T3 PL2110454 T3 PL 2110454T3 PL 09000098 T PL09000098 T PL 09000098T PL 09000098 T PL09000098 T PL 09000098T PL 2110454 T3 PL2110454 T3 PL 2110454T3
Authority
PL
Poland
Prior art keywords
dissolved
ppb
ppm
forging steel
obtainable therefrom
Prior art date
Application number
PL09000098T
Other languages
Polish (pl)
Inventor
Tetsushi Deura
Motohiro Nagao
Takashi Abiko
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of PL2110454T3 publication Critical patent/PL2110454T3/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/06—Making machine elements axles or shafts
    • B21K1/08—Making machine elements axles or shafts crankshafts
    • 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
    • C21C7/072—Treatment with gases
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Forging (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

Disclosed is a forging steel characterized in that prescribed composition of components must be satisfied. In particular, any one of the below-mentioned (I)-(IV) need be complied with in regard to dissolved Ca and dissolved Mg. (I) Dissolved Ca: 2-500 ppb (meaning "mass ppb" hereafter) and dissolved Mg: 0.04-5 ppm (meaning "mass ppm" hereafter); (II) Dissolved Ca: 2-100 ppb and dissolved Mg: 5-10 ppm; (III) Dissolved Ca: 2 ppb or less (0% not included) and dissolved Mg: 0.04-5 ppm; (IV) Dissolved Ca: 2-500 ppb and dissolved Mg: 0.04 ppm or less (0% not included).
PL09000098T 2008-01-22 2009-01-07 Forging steel, and forged products obtainable therefrom PL2110454T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008011123A JP2009173961A (en) 2008-01-22 2008-01-22 Steel for forging and forged product obtained by using the same
EP09000098A EP2110454B1 (en) 2008-01-22 2009-01-07 Forging steel, and forged products obtainable therefrom

Publications (1)

Publication Number Publication Date
PL2110454T3 true PL2110454T3 (en) 2012-04-30

Family

ID=40875489

Family Applications (1)

Application Number Title Priority Date Filing Date
PL09000098T PL2110454T3 (en) 2008-01-22 2009-01-07 Forging steel, and forged products obtainable therefrom

Country Status (8)

Country Link
US (1) US20090183802A1 (en)
EP (1) EP2110454B1 (en)
JP (1) JP2009173961A (en)
KR (1) KR101082649B1 (en)
CN (1) CN101492789B (en)
AT (1) ATE539175T1 (en)
ES (1) ES2376512T3 (en)
PL (1) PL2110454T3 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8562713B2 (en) * 2011-05-27 2013-10-22 A. Finkl & Sons Co. Flexible minimum energy utilization electric arc furnace system and processes for making steel products
JP5856485B2 (en) * 2012-01-11 2016-02-09 株式会社神戸製鋼所 Forged product and manufacturing method thereof
JP5783056B2 (en) * 2012-01-18 2015-09-24 新日鐵住金株式会社 Carburized bearing steel
JP5859384B2 (en) 2012-06-06 2016-02-10 株式会社神戸製鋼所 Large high strength forged steel
CN102808062B (en) * 2012-07-19 2014-03-05 中国科学院金属研究所 A method for controlling the segregation of steel ingot A by purifying molten steel
US20140345756A1 (en) * 2013-05-21 2014-11-27 General Electric Company Martensitic alloy component and process of forming a martensitic alloy component
JP6100129B2 (en) * 2013-08-27 2017-03-22 株式会社神戸製鋼所 High-strength steel and crankshaft for marine or generator diesel engines
KR20150061516A (en) * 2013-11-27 2015-06-04 두산중공업 주식회사 Mold Steel and Manufacturing Method Thereof
KR102074715B1 (en) * 2015-10-19 2020-02-10 닛폰세이테츠 가부시키가이샤 Hot Forging Steels and Hot Forgings
JP2017128795A (en) * 2016-01-18 2017-07-27 株式会社神戸製鋼所 Forging steel and large forged steel products
CN105821304B (en) * 2016-06-07 2018-07-03 马鞍山钢铁股份有限公司 A kind of axle of motor train unit steel of titanium containing niobium and its heat treatment process
KR102226488B1 (en) 2016-09-30 2021-03-11 닛폰세이테츠 가부시키가이샤 Cold forging steel and its manufacturing method
CN112501521A (en) * 2020-11-30 2021-03-16 西安市康铖机械制造有限公司 Processing method of ultrahigh-strength aviation structural steel

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5835255B2 (en) 1976-07-19 1983-08-01 新日本製鐵株式会社 Structural low alloy steel
JPS5447814A (en) 1977-09-26 1979-04-14 Nippon Steel Corp Hot rolled steel material for welding with superior resistance to inclusion opening crack in weld held heat-affected
JPH07188853A (en) 1993-12-27 1995-07-25 Nippon Steel Corp Steel for carburizing gears
JP3391536B2 (en) 1994-02-25 2003-03-31 新日本製鐵株式会社 Carburizing steel for high-strength gears
JP3558889B2 (en) 1998-09-04 2004-08-25 山陽特殊製鋼株式会社 Hot-forged machine structural steel with excellent machinability
JP2003213386A (en) * 2001-11-15 2003-07-30 Kobe Steel Ltd Thick steel plate having excellent machinability and surface workability
JP4347579B2 (en) * 2003-01-24 2009-10-21 株式会社神戸製鋼所 Forging steel and forged products obtained using the same
JP4718359B2 (en) * 2005-09-05 2011-07-06 株式会社神戸製鋼所 Steel wire rod excellent in drawability and fatigue characteristics and manufacturing method thereof
JP4606321B2 (en) * 2005-12-26 2011-01-05 株式会社神戸製鋼所 High cleanliness steel with excellent fatigue strength

Also Published As

Publication number Publication date
EP2110454A1 (en) 2009-10-21
CN101492789A (en) 2009-07-29
KR20090080888A (en) 2009-07-27
KR101082649B1 (en) 2011-11-14
JP2009173961A (en) 2009-08-06
US20090183802A1 (en) 2009-07-23
EP2110454B1 (en) 2011-12-28
ATE539175T1 (en) 2012-01-15
CN101492789B (en) 2011-02-02
ES2376512T3 (en) 2012-03-14

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