GB998735A - Improvements in or relating to rolls - Google Patents

Improvements in or relating to rolls

Info

Publication number
GB998735A
GB998735A GB368765A GB368765A GB998735A GB 998735 A GB998735 A GB 998735A GB 368765 A GB368765 A GB 368765A GB 368765 A GB368765 A GB 368765A GB 998735 A GB998735 A GB 998735A
Authority
GB
United Kingdom
Prior art keywords
rolls
relating
cast
semisteel
flaws
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
GB368765A
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.)
Kolsch-Folzer Werke AG
Original Assignee
Kolsch-Folzer Werke AG
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 Kolsch-Folzer Werke AG filed Critical Kolsch-Folzer Werke AG
Publication of GB998735A publication Critical patent/GB998735A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The formation of flaws in cast iron or semisteel (1.6-2% carbon) rolls is eliminated or reduced by reducing the hydrogen content of the melt from which the rolls are cast. This may be achieved by vacuum degasification.
GB368765A 1960-08-02 1961-08-02 Improvements in or relating to rolls Expired GB998735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK41358A DE1133088B (en) 1960-08-02 1960-08-02 Procedure for preventing staining on cast rollers

Publications (1)

Publication Number Publication Date
GB998735A true GB998735A (en) 1965-07-21

Family

ID=7222383

Family Applications (1)

Application Number Title Priority Date Filing Date
GB368765A Expired GB998735A (en) 1960-08-02 1961-08-02 Improvements in or relating to rolls

Country Status (2)

Country Link
DE (1) DE1133088B (en)
GB (1) GB998735A (en)

Also Published As

Publication number Publication date
DE1133088B (en) 1962-07-12

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