GB803651A - Process for producing nodular cast iron - Google Patents

Process for producing nodular cast iron

Info

Publication number
GB803651A
GB803651A GB37506/54A GB3750654A GB803651A GB 803651 A GB803651 A GB 803651A GB 37506/54 A GB37506/54 A GB 37506/54A GB 3750654 A GB3750654 A GB 3750654A GB 803651 A GB803651 A GB 803651A
Authority
GB
United Kingdom
Prior art keywords
cast iron
innoculant
magnesium
spheroidizing agent
injecting
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
GB37506/54A
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of GB803651A publication Critical patent/GB803651A/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
    • C21C1/10—Making spheroidal graphite cast-iron

Landscapes

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

Abstract

A process for the production of spheroidal graphite cast iron by injecting an inert gas containing an innoculant and a spheroidizing agent entrained therein into a bath of molten cast iron comprises adding to the gas stream containing the innoculant and the spheroidizing agent a comminuted refractory diluent amounting to 40-70 per cent of the total injected material. The spheroidizing agent may be magnesium, a magnesium alloy, or a cerium-magnesium-ferrosilicon, the innoculant may be silicon or a silicon alloy; and the diluent may be calcium carbide. The sulphur content of the cast iron may be reduced to below 0.01 per cent by deoxidizing the melt and then injecting calcium carbide. Specifications 630,070 and 803,652 are referred to.
GB37506/54A 1953-12-30 1954-12-29 Process for producing nodular cast iron Expired GB803651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US803651XA 1953-12-30 1953-12-30

Publications (1)

Publication Number Publication Date
GB803651A true GB803651A (en) 1958-10-29

Family

ID=22156905

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37506/54A Expired GB803651A (en) 1953-12-30 1954-12-29 Process for producing nodular cast iron

Country Status (1)

Country Link
GB (1) GB803651A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113337774A (en) * 2020-03-03 2021-09-03 陈树平 Process for inoculating nodular cast iron by silicon oxidation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113337774A (en) * 2020-03-03 2021-09-03 陈树平 Process for inoculating nodular cast iron by silicon oxidation
CN113337774B (en) * 2020-03-03 2023-12-15 陈树平 Silicon oxide inoculation nodular cast iron technology

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