FR2264096A2 - Calcium ferro-silicon with increased carbon content - improves the quality of inoculated grey- and nodular- cast irons - Google Patents

Calcium ferro-silicon with increased carbon content - improves the quality of inoculated grey- and nodular- cast irons

Info

Publication number
FR2264096A2
FR2264096A2 FR7408253A FR7408253A FR2264096A2 FR 2264096 A2 FR2264096 A2 FR 2264096A2 FR 7408253 A FR7408253 A FR 7408253A FR 7408253 A FR7408253 A FR 7408253A FR 2264096 A2 FR2264096 A2 FR 2264096A2
Authority
FR
France
Prior art keywords
grey
nodular
improves
carbon content
inoculated
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
FR7408253A
Other languages
French (fr)
Other versions
FR2264096B2 (en
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.)
SOFREM
Original Assignee
SOFREM
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 SOFREM filed Critical SOFREM
Priority to FR7408253A priority Critical patent/FR2264096A2/en
Publication of FR2264096A2 publication Critical patent/FR2264096A2/en
Application granted granted Critical
Publication of FR2264096B2 publication Critical patent/FR2264096B2/fr
Granted legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical 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

Alloys based on Fe-Si of parent patent, used for the inoculation of cast iron, contain 0.2-1% carbon. The new Fe-Si alloy is used for the inoculation of grey cast iron or nodular cast iron, and contains 55-85% Si, 2-7% Ca, 1-2.5% C, 0-2% Al, remainder iron and impurities. The calcium content of the alloy is pref. 2-5% and the carbon content 1-1.5%. When used with grey iron the inoculant reduces the depth of the quenched skin and improves tensile strength while reducing the hardness. With nodular cast iron, both tensile strength and elongation are improved and cementite eliminated, the latter improving machineability.
FR7408253A 1974-03-12 1974-03-12 Calcium ferro-silicon with increased carbon content - improves the quality of inoculated grey- and nodular- cast irons Granted FR2264096A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7408253A FR2264096A2 (en) 1974-03-12 1974-03-12 Calcium ferro-silicon with increased carbon content - improves the quality of inoculated grey- and nodular- cast irons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7408253A FR2264096A2 (en) 1974-03-12 1974-03-12 Calcium ferro-silicon with increased carbon content - improves the quality of inoculated grey- and nodular- cast irons

Publications (2)

Publication Number Publication Date
FR2264096A2 true FR2264096A2 (en) 1975-10-10
FR2264096B2 FR2264096B2 (en) 1976-12-10

Family

ID=9136143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7408253A Granted FR2264096A2 (en) 1974-03-12 1974-03-12 Calcium ferro-silicon with increased carbon content - improves the quality of inoculated grey- and nodular- cast irons

Country Status (1)

Country Link
FR (1) FR2264096A2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443510A1 (en) * 1978-12-06 1980-07-04 Sofrem Ferrosilicon alloy for deoxidising molten steels - contg. magnesium, calcium and aluminium, to reduce amt. of non-metallic inclusions in steel
CN104831155A (en) * 2015-05-26 2015-08-12 新兴铸管股份有限公司 Inoculant for nodular cast iron pipe and application of inoculant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443510A1 (en) * 1978-12-06 1980-07-04 Sofrem Ferrosilicon alloy for deoxidising molten steels - contg. magnesium, calcium and aluminium, to reduce amt. of non-metallic inclusions in steel
CN104831155A (en) * 2015-05-26 2015-08-12 新兴铸管股份有限公司 Inoculant for nodular cast iron pipe and application of inoculant

Also Published As

Publication number Publication date
FR2264096B2 (en) 1976-12-10

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