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GB1002107A - Improvements in the manufacture of cast irons - Google Patents

Improvements in the manufacture of cast irons

Info

Publication number
GB1002107A
GB1002107A GB33468/62A GB3346862A GB1002107A GB 1002107 A GB1002107 A GB 1002107A GB 33468/62 A GB33468/62 A GB 33468/62A GB 3346862 A GB3346862 A GB 3346862A GB 1002107 A GB1002107 A GB 1002107A
Authority
GB
United Kingdom
Prior art keywords
strontium
inoculant
added
silicon
weight
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
GB33468/62A
Inventor
John Victor Dawson
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.)
British Cast Iron Research Association
Original Assignee
British Cast Iron Research Association
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 British Cast Iron Research Association filed Critical British Cast Iron Research Association
Priority to GB33468/62A priority Critical patent/GB1002107A/en
Priority to DE1433429A priority patent/DE1433429C3/en
Publication of GB1002107A publication Critical patent/GB1002107A/en
Priority to US513555A priority patent/US3527597A/en
Expired legal-status Critical Current

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
    • C21C1/10—Making spheroidal graphite cast-iron
    • C21C1/105—Nodularising additive agents
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

A method of making cast iron comprises using a silicon-containing inoculant, e.g. ferrosilicon wherein strontium is also added to the cast iron at the inoculant stage. The method may be applied to both flake and nodular graphite irons. The strontium may be added to the iron melt simultaneously with the inoculant, in the form of strontium metal or strontium silicide, or it may be alloyed to the inoculant prior to inoculation. If alloyed to ferro-silicon the strontium may be in a proportion of 1-4% by weight, the ferro-silicon used being of low aluminium and calcium content, or preferably substantially free from calcium. If added direct to the melt in the presence of a silicon inoculant, strontium may be added in quantities up to 40% of the weight of the inoculant, or strontium silicide may be added in quantities up to 67% of the weight of the inoculant. Strontium or strontium silicide may also be added to the melt independent of any regular inoculant.
GB33468/62A 1962-08-31 1962-08-31 Improvements in the manufacture of cast irons Expired GB1002107A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB33468/62A GB1002107A (en) 1962-08-31 1962-08-31 Improvements in the manufacture of cast irons
DE1433429A DE1433429C3 (en) 1962-08-31 1963-08-28 Use of an inoculating alloy based on ferrosilicon for cast iron
US513555A US3527597A (en) 1962-08-31 1965-12-13 Carbide suppressing silicon base inoculant for cast iron containing metallic strontium and method of using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33468/62A GB1002107A (en) 1962-08-31 1962-08-31 Improvements in the manufacture of cast irons

Publications (1)

Publication Number Publication Date
GB1002107A true GB1002107A (en) 1965-08-25

Family

ID=10353356

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33468/62A Expired GB1002107A (en) 1962-08-31 1962-08-31 Improvements in the manufacture of cast irons

Country Status (2)

Country Link
DE (1) DE1433429C3 (en)
GB (1) GB1002107A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017179995A1 (en) * 2016-04-15 2017-10-19 Elkem As Gray cast iron inoculant

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3433610A1 (en) * 1984-09-13 1986-03-20 Skw Trostberg Ag, 8223 Trostberg IMPRODUCTION BASED ON FERROSILICIUM OR SILICON AND METHOD FOR THEIR PRODUCTION
US4666516A (en) * 1986-01-21 1987-05-19 Elkem Metals Company Gray cast iron inoculant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017179995A1 (en) * 2016-04-15 2017-10-19 Elkem As Gray cast iron inoculant
US10612105B2 (en) 2016-04-15 2020-04-07 Elkem Asa Gray cast iron inoculant
US10767238B2 (en) 2016-04-15 2020-09-08 Elkem Asa Gray cast iron inoculant

Also Published As

Publication number Publication date
DE1433429A1 (en) 1968-11-21
DE1433429C3 (en) 1975-10-09

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