NO122791B - - Google Patents

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Info

Publication number
NO122791B
NO122791B NO0777/68A NO77768A NO122791B NO 122791 B NO122791 B NO 122791B NO 0777/68 A NO0777/68 A NO 0777/68A NO 77768 A NO77768 A NO 77768A NO 122791 B NO122791 B NO 122791B
Authority
NO
Norway
Prior art keywords
magnesium
molten metal
additive
protective layer
reaction
Prior art date
Application number
NO0777/68A
Other languages
English (en)
Norwegian (no)
Inventor
O Tombrock
Original Assignee
Int Meehanite Metal Co
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 Int Meehanite Metal Co filed Critical Int Meehanite Metal Co
Publication of NO122791B publication Critical patent/NO122791B/no

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0006—Adding metallic additives
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle

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)
  • Treatment Of Steel In Its Molten State (AREA)
NO0777/68A 1967-03-02 1968-03-01 NO122791B (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9865/67A GB1224313A (en) 1967-03-02 1967-03-02 Improved method for the treatment of molten metals

Publications (1)

Publication Number Publication Date
NO122791B true NO122791B (enExample) 1971-08-16

Family

ID=9880208

Family Applications (1)

Application Number Title Priority Date Filing Date
NO0777/68A NO122791B (enExample) 1967-03-02 1968-03-01

Country Status (7)

Country Link
AT (1) AT288457B (enExample)
BE (1) BE711562A (enExample)
CH (1) CH485856A (enExample)
GB (1) GB1224313A (enExample)
NL (1) NL150850B (enExample)
NO (1) NO122791B (enExample)
SE (1) SE328010B (enExample)

Also Published As

Publication number Publication date
NL6802773A (enExample) 1968-09-03
SE328010B (enExample) 1970-09-07
BE711562A (enExample) 1968-07-15
GB1224313A (en) 1971-03-10
CH485856A (de) 1970-02-15
NL150850B (nl) 1976-09-15
AT288457B (de) 1971-03-10

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