EP1270747A3 - Spheroidal graphite cast iron with addition of boron - Google Patents

Spheroidal graphite cast iron with addition of boron Download PDF

Info

Publication number
EP1270747A3
EP1270747A3 EP02006104A EP02006104A EP1270747A3 EP 1270747 A3 EP1270747 A3 EP 1270747A3 EP 02006104 A EP02006104 A EP 02006104A EP 02006104 A EP02006104 A EP 02006104A EP 1270747 A3 EP1270747 A3 EP 1270747A3
Authority
EP
European Patent Office
Prior art keywords
addition
spheroidal graphite
cast iron
boron
graphite cast
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
EP02006104A
Other languages
German (de)
French (fr)
Other versions
EP1270747B1 (en
EP1270747A2 (en
Inventor
Werner Menk
Dirk Lindemann
Dirk Richarz
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.)
Georg Fischer Fahrzeugtechnik AG
Georg Fischer Automotive AG
Original Assignee
Georg Fischer Fahrzeugtechnik AG
Georg Fischer Automotive AG
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 Georg Fischer Fahrzeugtechnik AG, Georg Fischer Automotive AG filed Critical Georg Fischer Fahrzeugtechnik AG
Publication of EP1270747A2 publication Critical patent/EP1270747A2/en
Publication of EP1270747A3 publication Critical patent/EP1270747A3/en
Application granted granted Critical
Publication of EP1270747B1 publication Critical patent/EP1270747B1/en
Priority to CY20061101779T priority Critical patent/CY1107543T1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C22C37/00—Cast-iron alloys
    • C22C37/04—Cast-iron alloys containing spheroidal graphite
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/10—Making spheroidal graphite cast-iron
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D5/00—Heat treatments of cast-iron
    • C21D5/02—Heat treatments of cast-iron improving the malleability of grey cast-iron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/10—Cast-iron alloys containing aluminium or silicon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/30—Stress-relieving
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like

Abstract

Spheroidal graphite iron contains C, Si, Mn, Cu, Mg and S as non-ferrous component; and one or more elements selected from group IIIb elements as addition. An Independent claim is also included for a process for the production of a cast iron product from the spheroidal graphite iron. Preferred Features: The Si content is 2.6-2.9 %. The alloy contains 2-200 ppm B as addition.
EP02006104A 2001-06-20 2002-03-19 Spheroidal graphite cast iron Expired - Lifetime EP1270747B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CY20061101779T CY1107543T1 (en) 2001-06-20 2006-12-11 ALLOY GRAPHIC GRAPHITE ALLOY

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10129382A DE10129382A1 (en) 2001-06-20 2001-06-20 nodular cast iron
DE10129382 2001-06-20

Publications (3)

Publication Number Publication Date
EP1270747A2 EP1270747A2 (en) 2003-01-02
EP1270747A3 true EP1270747A3 (en) 2004-01-02
EP1270747B1 EP1270747B1 (en) 2006-10-04

Family

ID=7688591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02006104A Expired - Lifetime EP1270747B1 (en) 2001-06-20 2002-03-19 Spheroidal graphite cast iron

Country Status (10)

Country Link
US (1) US6861029B2 (en)
EP (1) EP1270747B1 (en)
AT (1) ATE341650T1 (en)
BR (1) BR0202323B1 (en)
CY (1) CY1107543T1 (en)
DE (2) DE10129382A1 (en)
DK (1) DK1270747T3 (en)
ES (1) ES2269539T3 (en)
MX (1) MXPA02006048A (en)
PT (1) PT1270747E (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004056331A1 (en) * 2004-11-22 2006-05-24 Georg Fischer Fahrzeugtechnik Ag Ductile cast iron alloy and method for producing castings from nodular cast iron alloy
US20060292026A1 (en) * 2005-06-08 2006-12-28 Robert Eppich Cast iron alloy containing boron
SE531107C2 (en) * 2006-12-16 2008-12-23 Indexator Ab Method
US7846381B2 (en) * 2008-01-29 2010-12-07 Aarrowcast, Inc. Ferritic ductile cast iron alloys having high carbon content, high silicon content, low nickel content and formed without annealing
EP2319639A1 (en) * 2009-11-10 2011-05-11 Georg Fischer Automobilguss GmbH Cast iron axle leg with moulded steel core - method for manufacturing the axle leg
JP5938465B2 (en) * 2012-08-13 2016-06-22 株式会社小松製作所 Floating seal
CN103946609B (en) * 2012-08-13 2016-01-20 株式会社小松制作所 floating seal
EP3170578B1 (en) * 2015-11-17 2021-06-30 GF Casting Solutions Kunshan Co. Ltd. Process for the production of a cast piece from cast iron with spheroidal graphite
EP3243920B1 (en) 2017-03-24 2020-04-29 GF Casting Solutions Kunshan Co. Ltd. Spheroidal cast alloy
US11820197B2 (en) 2022-02-09 2023-11-21 Honda Motor Co., Ltd. Vehicle control arm assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1193067A (en) * 1958-03-05 1959-10-30 Bouchayer & Viallet Ets Improvements to special fonts
GB832666A (en) * 1957-06-10 1960-04-13 Gen Motors Corp Improved ferrous metal and methods of producing the same
EP0525540A1 (en) * 1991-07-27 1993-02-03 MAN B & W Diesel Aktiengesellschaft Cylinder liner unit for use in an internal combustion engine
US5876523A (en) * 1996-04-29 1999-03-02 Hitachi Metals, Ltd. Method of producing spheroidal graphite cast iron article

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2428822A1 (en) * 1974-06-14 1976-01-02 Goetzewerke SPHERICAL CAST IRON ALLOY WITH INCREASED WEAR RESISTANCE
JP3913935B2 (en) * 1999-06-21 2007-05-09 本田技研工業株式会社 Hypoeutectic spheroidal graphite cast iron

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB832666A (en) * 1957-06-10 1960-04-13 Gen Motors Corp Improved ferrous metal and methods of producing the same
FR1193067A (en) * 1958-03-05 1959-10-30 Bouchayer & Viallet Ets Improvements to special fonts
EP0525540A1 (en) * 1991-07-27 1993-02-03 MAN B & W Diesel Aktiengesellschaft Cylinder liner unit for use in an internal combustion engine
US5876523A (en) * 1996-04-29 1999-03-02 Hitachi Metals, Ltd. Method of producing spheroidal graphite cast iron article

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SPIEKERMANN P: "LEGIERUNGEN - EIN BESONDERES PATENTRECHTLICHES PROBLEM? - LEGIERUNGSPRUEFUNG IM EUROPAEISCHEN PATENTAMT -", MITTEILUNGEN DER DEUTSCHEN PATENTANWAELTE, HEYMANN, KOLN,, DE, 1993, pages 178 - 190, XP000961882, ISSN: 0026-6884 *

Also Published As

Publication number Publication date
PT1270747E (en) 2007-01-31
ES2269539T3 (en) 2007-04-01
BR0202323A (en) 2003-04-08
CY1107543T1 (en) 2013-03-13
ATE341650T1 (en) 2006-10-15
MXPA02006048A (en) 2003-08-20
EP1270747B1 (en) 2006-10-04
DK1270747T3 (en) 2007-02-05
DE50208313D1 (en) 2006-11-16
EP1270747A2 (en) 2003-01-02
DE10129382A1 (en) 2003-01-02
US20020195180A1 (en) 2002-12-26
US6861029B2 (en) 2005-03-01
BR0202323B1 (en) 2010-11-03

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