ES336111A1 - Process for casting ductile iron - Google Patents

Process for casting ductile iron

Info

Publication number
ES336111A1
ES336111A1 ES336111A ES336111A ES336111A1 ES 336111 A1 ES336111 A1 ES 336111A1 ES 336111 A ES336111 A ES 336111A ES 336111 A ES336111 A ES 336111A ES 336111 A1 ES336111 A1 ES 336111A1
Authority
ES
Spain
Prior art keywords
pipe
added
solidification
inoculant
mould
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.)
Expired
Application number
ES336111A
Other languages
Spanish (es)
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.)
United States Pipe and Foundry Co LLC
Original Assignee
United States Pipe and Foundry Co 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
Application filed by United States Pipe and Foundry Co LLC filed Critical United States Pipe and Foundry Co LLC
Publication of ES336111A1 publication Critical patent/ES336111A1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
    • B22D13/101—Moulds
    • B22D13/102—Linings for moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • B22D13/02—Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
    • B22D13/023—Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis the longitudinal axis being horizontal

Abstract

In producing castings, particularly pipes in centrifugal casting machines, from ductile spheroidal graphite material, inoculant material such as calcium-silicon or ferro-silicon is added to the poured molten iron just before solidification and the solidification and cooling rates of the cast pipe are controlled to produce a grain structure mainly of ferrite, with a minimum of pearlite and carbide. As applied to casting pipes by the Lavaud method the inoculant may be added to the molten metal in the pouring ladle, in the pouring trough, blown in powdered form into the flow of metal from the trough to the mould, and added as a coating to the mould surface. The inoculant coating may be added on top of a refractory layer of diatomaceous silica and bentonite applied to the mould in a wet slurry. The solidification of the pipe at a controlled rate is achieved by water sprays applied in timed periods so that graphitization is substantially completed and sudden freezing does not produce the formation of carbides and too slow freezing does not allow the nucleating effect of the inoculating material to be dissipated. The cooling of the solidified pipe through the transformation range of the iron is also controlled to allow the pearlite to be eliminated and a ferrite structure produced. The cooling of the pipe may be slowed down by blowing a dry insulating blanket of material inside the pipe after solidification. The finished pipe may be annealed to further improve the ferrite structure of the material.
ES336111A 1966-03-03 1967-01-26 Process for casting ductile iron Expired ES336111A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US533133A US3415307A (en) 1966-03-03 1966-03-03 Process for casting ductile iron

Publications (1)

Publication Number Publication Date
ES336111A1 true ES336111A1 (en) 1968-06-01

Family

ID=24124627

Family Applications (1)

Application Number Title Priority Date Filing Date
ES336111A Expired ES336111A1 (en) 1966-03-03 1967-01-26 Process for casting ductile iron

Country Status (11)

Country Link
US (1) US3415307A (en)
BE (1) BE694335A (en)
CH (1) CH519359A (en)
DE (1) DE1558336B2 (en)
ES (1) ES336111A1 (en)
FI (1) FI48757C (en)
FR (1) FR1516365A (en)
GB (1) GB1157054A (en)
NL (1) NL160186C (en)
NO (1) NO118231B (en)
YU (1) YU33513B (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546921A (en) * 1967-08-07 1970-12-15 Harris Muff Method of producing an initial thermal arrest in the cooling curve of hypereutectic cast iron
US3965962A (en) * 1968-05-25 1976-06-29 Toyo Kogyo Co., Ltd. Process for producing ductile iron casting
US3844776A (en) * 1969-06-16 1974-10-29 Ford Motor Co Method of casting inoculated metals
FR2278429A1 (en) * 1974-07-18 1976-02-13 Pont A Mousson METHOD AND DEVICE FOR CASTING SPHEROIDAL GRAPHITE CAST IRON PIPES BY CENTRIFUGATION
US4327798A (en) * 1980-05-01 1982-05-04 American Cast Iron Pipe Company Method of applying flux
DE3217091C2 (en) * 1982-05-07 1984-05-17 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Process for the partial alloying of cylinder liners on the basis of cast iron
CH660376A5 (en) * 1984-07-26 1987-04-15 Fischer Ag Georg METHOD FOR PRODUCING CAST IRON WITH BALL GRAPHITE.
US4832084A (en) * 1987-05-11 1989-05-23 United States Pipe And Foundry Company Dual graphite structured pipe
US4791976A (en) * 1987-05-11 1988-12-20 United States Pipe And Foundry Company Method of making dual graphite structured pipe
FR2641795B1 (en) * 1989-01-16 1993-09-24 Bronzes Ind Sa MANUFACTURE OF COMPOSITE MATERIAL PARTS
US5253697A (en) * 1989-01-16 1993-10-19 Les Bronzes D'industrie, Societe Anonyme Manufacture of articles consisting of a composite material
US5316068A (en) * 1989-01-20 1994-05-31 Aisin Seiki Kabushiki Kaisha Method for producing casting with functional gradient
US5249619A (en) * 1991-10-30 1993-10-05 Mack Trucks, Inc. Brake element and a preparation process therefor
GB9618216D0 (en) * 1996-08-30 1996-10-09 Triplex Lloyd Plc Method of making fine grained castings
FR2835209B1 (en) * 2002-01-25 2004-06-18 Pechiney Electrometallurgie PRODUCTS FOR THE PROTECTION OF CONTINUOUS CASTING MOLDS FROM CAST IRON
DE10320358B4 (en) * 2003-05-07 2005-11-17 Halberg-Guss Gmbh casting process
FR2884739B1 (en) * 2005-04-20 2007-06-29 Pechiney Electrometallurgie So DRY-SPRAY PRODUCTS FOR THE PROTECTION OF CENTRIFUGE CASTING MOLDS OF CAST IRON PIPES IN COMBINATION WITH A WET-SPRAY PRODUCT
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
US8600702B2 (en) 2008-12-30 2013-12-03 United States Pipe And Foundry Company, Llc Non-destructive thickness measurement systems and methods
DE102016107944A1 (en) * 2016-04-28 2017-11-02 Duktus (Production) Gmbh Method for producing a component of ductile cast iron and ductile cast iron component
FR3060607B1 (en) * 2016-12-19 2021-09-10 Saint Gobain Pont A Mousson SPHEROIDAL GRAPHITE CAST IRON, CORRESPONDING ELEMENT AND MANUFACTURING PROCESS
CN108044022A (en) * 2018-01-13 2018-05-18 合肥市瑞宏重型机械有限公司 It is a kind of for alcohol-base paint of sand casting and preparation method thereof
KR102621913B1 (en) * 2018-12-27 2024-01-05 현대자동차주식회사 Method for Cast-Iron Product Based on Graphite Fine Organization and Suspension Component Thereof
WO2020165875A1 (en) * 2019-02-16 2020-08-20 Snam Alloys Pvt Ltd Method for producing alloys
FR3099716B1 (en) * 2019-08-08 2021-08-27 Saint Gobain Pont A Mousson Manufacturing process of a tubular element
CN112479727B (en) * 2020-12-23 2022-05-06 河南通宇冶材集团有限公司 Preparation method of non-reactive drainage agent
CN112808937A (en) * 2020-12-31 2021-05-18 江苏润曼机械设备有限公司 Casting process of ductile iron casting

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1329296A (en) * 1919-04-21 1920-01-27 Lavaud Dimitri Sensaud De Rotary casting
US2248693A (en) * 1937-04-02 1941-07-08 Bartscherer Franz Method for producing hollow bodies in centrifugal casting molds rotatable about the vertical axis
US2399606A (en) * 1943-12-04 1946-04-30 United States Pipe Foundry Centrifugal casting
US3056692A (en) * 1959-07-30 1962-10-02 Kitada Kohshiro Method for the manufacture of a mold for centrifugal casting tubular metal articles
FR1269898A (en) * 1960-09-03 1961-08-18 United States Pipe Foundry Manufacturing process for molded ductile iron tubes
US3321304A (en) * 1963-12-23 1967-05-23 American Cast Iron Pipe Co Materials for and methods of treating molten ferrous metals to produce nodular iron

Also Published As

Publication number Publication date
CH519359A (en) 1972-02-29
BE694335A (en) 1967-07-31
YU33513B (en) 1977-06-30
NL160186B (en) 1979-05-15
NO118231B (en) 1969-12-01
US3415307A (en) 1968-12-10
FI48757B (en) 1974-09-02
NL160186C (en) 1979-10-15
NL6703477A (en) 1967-09-04
DE1558336B2 (en) 1976-04-01
YU39567A (en) 1976-10-31
FI48757C (en) 1974-12-10
GB1157054A (en) 1969-07-02
FR1516365A (en) 1968-03-08
DE1558336A1 (en) 1970-07-30

Similar Documents

Publication Publication Date Title
ES336111A1 (en) Process for casting ductile iron
ES369657A1 (en) Process for the manufacture of nodular cast iron
CN102430714A (en) Process for casting thick and large nodular cast iron valve plate
US3851700A (en) Method of inoculating nodular cast iron
FR2444245A1 (en) Metallurgical furnace wall unit prodn. process - shapes heat-resistant material into mould wall for cast metal cooling block
US2197660A (en) Ferro-alloys and method of producing them
CN102773404B (en) Anti-whiting coating for cast iron and methods for preparing and using anti-whiting coating for cast iron
GB699156A (en) Method of and installation for casting metals
GB1306982A (en) Process for the treatment of metal ingots
GB1221618A (en) Steel refining agent
GB1449052A (en) Ingot moulds
GB834909A (en) Method of casting steel and cast iron and mould for carrying out the method
Hughes The importance and practice of inoculation in iron castings production
GB1126133A (en) Method and apparatus for molding ingots
SU738760A1 (en) Method of making castings of graphitized steel
JPS5570458A (en) Production of spheroidal graphite cast iron pipe
JPS5570457A (en) Production of spheroidal graphite cast iron pipe and producing device thereof
JPS54103721A (en) Inoculation method in core casting for compound roll
NL6908444A (en) Nodular iron castings
Tomura Effects of Stripping Time, Inoculation and Melting Temperature on the Structure of Metal Mold Cast Iron.(Retroactive Coverage)
GB1346309A (en) Manufacture of steel
JPS57202943A (en) Manufacture of casting mold
Rous Problems of Making Steel Castings in Shell Molds
FR2077849A1 (en) Steel shell mould - for casting of manholes on a continuous basis
ES473598A1 (en) Process for the centrifugal electromagnetic continuous casting of molten metals

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19870225