SE543605C2 - Low-chromium white iron alloy comprising rare-earth - Google Patents

Low-chromium white iron alloy comprising rare-earth

Info

Publication number
SE543605C2
SE543605C2 SE1951404A SE1951404A SE543605C2 SE 543605 C2 SE543605 C2 SE 543605C2 SE 1951404 A SE1951404 A SE 1951404A SE 1951404 A SE1951404 A SE 1951404A SE 543605 C2 SE543605 C2 SE 543605C2
Authority
SE
Sweden
Prior art keywords
white iron
low
iron alloy
rare
earth
Prior art date
Application number
SE1951404A
Other versions
SE1951404A1 (en
Inventor
Hans Karlsson
Henrik Borgström
Sören Johansson
Stefan Virtanen
Original Assignee
Ab Bruzaholms Bruk
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 Ab Bruzaholms Bruk filed Critical Ab Bruzaholms Bruk
Priority to SE1951404A priority Critical patent/SE543605C2/en
Priority to EP20897173.9A priority patent/EP4069878A4/en
Priority to PCT/SE2020/051145 priority patent/WO2021112744A1/en
Publication of SE1951404A1 publication Critical patent/SE1951404A1/en
Publication of SE543605C2 publication Critical patent/SE543605C2/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
    • C21C1/10—Making spheroidal graphite cast-iron
    • C21C1/105—Nodularising additive agents
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/08—Making cast-iron alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/04—Cast-iron alloys containing spheroidal graphite
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/06—Cast-iron alloys containing chromium
    • C22C37/08—Cast-iron alloys containing chromium with nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/10—Cast-iron alloys containing aluminium or silicon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Powder Metallurgy (AREA)

Abstract

The present disclosure relates to a low-chromium white iron alloy comprising rareearth (RE) element. The alloy comprises RE of 0.01-0.6 wt%, Cr of 1-2 wt%, C of 2.5-4.2 wt%, Ni of 3-5 wt%, Si of 0.2-2 wt%, Mn of 0.5-1 wt%, at most 1 wt% of impurities, and a balance of Fe. The invention also relates to a white iron product made from the alloy. Further, the invention relates to a method comprising adding an RE powder to a metal melt comprising Cr, C, Ni, Si, Mn, and Fe as above, whereby a white iron alloy melt comprising RE is formed.
SE1951404A 2019-12-05 2019-12-05 Low-chromium white iron alloy comprising rare-earth SE543605C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE1951404A SE543605C2 (en) 2019-12-05 2019-12-05 Low-chromium white iron alloy comprising rare-earth
EP20897173.9A EP4069878A4 (en) 2019-12-05 2020-11-30 Low-chromium white iron alloy comprising rare-earth
PCT/SE2020/051145 WO2021112744A1 (en) 2019-12-05 2020-11-30 Low-chromium white iron alloy comprising rare-earth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1951404A SE543605C2 (en) 2019-12-05 2019-12-05 Low-chromium white iron alloy comprising rare-earth

Publications (2)

Publication Number Publication Date
SE1951404A1 SE1951404A1 (en) 2021-04-13
SE543605C2 true SE543605C2 (en) 2021-04-13

Family

ID=75273361

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1951404A SE543605C2 (en) 2019-12-05 2019-12-05 Low-chromium white iron alloy comprising rare-earth

Country Status (3)

Country Link
EP (1) EP4069878A4 (en)
SE (1) SE543605C2 (en)
WO (1) WO2021112744A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1988911A (en) * 1926-10-21 1935-01-22 Int Nickel Co Chill cast iron alloy
GB1181972A (en) * 1966-01-12 1970-02-18 Erik Arne Sabel The Manufacture of Abrasive Wear and Shock Resistant Elements
DE2140022A1 (en) * 1971-08-10 1973-02-15 Buderus Eisenwerk Cast iron - use of cerium additions to cause spheroidisation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1988910A (en) * 1926-10-21 1935-01-22 Int Nickel Co Chill cast iron alloy
CN106119680B (en) * 2016-07-15 2018-07-27 中水淮河规划设计研究有限公司 A kind of rare earth alloy cast iron of seawater corrosion resistance
CN107574359A (en) * 2017-09-04 2018-01-12 湖北金标通用轧辊有限公司 A kind of low-alloy composite roll and its manufacture method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1988911A (en) * 1926-10-21 1935-01-22 Int Nickel Co Chill cast iron alloy
GB1181972A (en) * 1966-01-12 1970-02-18 Erik Arne Sabel The Manufacture of Abrasive Wear and Shock Resistant Elements
DE2140022A1 (en) * 1971-08-10 1973-02-15 Buderus Eisenwerk Cast iron - use of cerium additions to cause spheroidisation

Also Published As

Publication number Publication date
SE1951404A1 (en) 2021-04-13
WO2021112744A1 (en) 2021-06-10
EP4069878A1 (en) 2022-10-12
EP4069878A4 (en) 2024-07-10

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