AT309489B - Process for making cast iron with improved strength properties and better machinability - Google Patents

Process for making cast iron with improved strength properties and better machinability

Info

Publication number
AT309489B
AT309489B AT278069A AT278069A AT309489B AT 309489 B AT309489 B AT 309489B AT 278069 A AT278069 A AT 278069A AT 278069 A AT278069 A AT 278069A AT 309489 B AT309489 B AT 309489B
Authority
AT
Austria
Prior art keywords
cast iron
strength properties
improved strength
making cast
better machinability
Prior art date
Application number
AT278069A
Other languages
German (de)
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Application granted granted Critical
Publication of AT309489B publication Critical patent/AT309489B/en

Links

Classifications

    • 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
    • C21C1/08—Manufacture of cast-iron
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Mold Materials And Core Materials (AREA)
AT278069A 1968-03-20 1969-03-20 Process for making cast iron with improved strength properties and better machinability AT309489B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681758004 DE1758004B1 (en) 1968-03-20 1968-03-20 Use of silicon dioxide as a nucleating melt additive in cast iron

Publications (1)

Publication Number Publication Date
AT309489B true AT309489B (en) 1973-08-27

Family

ID=5694799

Family Applications (1)

Application Number Title Priority Date Filing Date
AT278069A AT309489B (en) 1968-03-20 1969-03-20 Process for making cast iron with improved strength properties and better machinability

Country Status (9)

Country Link
US (1) US3617259A (en)
AT (1) AT309489B (en)
BE (1) BE730051A (en)
CH (1) CH523325A (en)
DE (1) DE1758004B1 (en)
FR (1) FR2004340A1 (en)
GB (1) GB1222798A (en)
NL (1) NL6903748A (en)
SE (1) SE365545B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975191A (en) * 1974-11-25 1976-08-17 Rote Franklin B Method of producing cast iron
FR2440405A1 (en) * 1978-11-03 1980-05-30 Sueddeutsche Kalkstickstoff CAST IRON INOCULATION PRODUCT AND METHOD
DE2940946C2 (en) * 1979-10-09 1984-10-25 Halbergerhütte GmbH, 6600 Saarbrücken Process for inoculating cast iron melts
US4673433A (en) * 1986-05-28 1987-06-16 Uddeholm Tooling Aktiebolag Low-alloy steel material, die blocks and other heavy forgings made thereof and a method to manufacture the material
SE466059B (en) * 1990-02-26 1991-12-09 Sintercast Ltd PROCEDURES FOR CONTROL AND ADJUSTMENT OF PRIMARY NUCLEAR FORM
US5284617A (en) * 1992-09-04 1994-02-08 General Motors Corporation Process for dealuminizing molten cast iron

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2901386A (en) * 1952-02-18 1959-08-25 Renault Method of heat treating cast iron
US3013911A (en) * 1953-11-18 1961-12-19 Renault Malleable cast iron compositions
US2887421A (en) * 1955-01-05 1959-05-19 Renault Method of producing castings having high mechanical properties
US3005736A (en) * 1958-02-06 1961-10-24 Renault High-toughness cast-iron for relatively thick castings, and method of producing same
FR1406651A (en) * 1964-05-27 1965-07-23 Azote Office Nat Ind Direct reduction process for iron oxides and fluidized beds
FR1449616A (en) * 1965-01-18 1966-05-06 Azote Office Nat Ind Homogeneous germination inoculation of cast irons and steels

Also Published As

Publication number Publication date
NL6903748A (en) 1969-09-23
GB1222798A (en) 1971-02-17
US3617259A (en) 1971-11-02
FR2004340A1 (en) 1969-11-21
SU364169A3 (en) 1972-12-25
BE730051A (en) 1969-09-01
CH523325A (en) 1972-05-31
FR2004340B1 (en) 1974-07-12
DE1758004B1 (en) 1972-05-31
SE365545B (en) 1974-03-25

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee