GB695736A - Process for improving the yield from rimmed or unkilled steel ingots - Google Patents

Process for improving the yield from rimmed or unkilled steel ingots

Info

Publication number
GB695736A
GB695736A GB7730/51A GB773051A GB695736A GB 695736 A GB695736 A GB 695736A GB 7730/51 A GB7730/51 A GB 7730/51A GB 773051 A GB773051 A GB 773051A GB 695736 A GB695736 A GB 695736A
Authority
GB
United Kingdom
Prior art keywords
steel
heat
rimmed
yield
improving
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
GB7730/51A
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.)
HUTTENWERK HORDE AG
Original Assignee
HUTTENWERK HORDE 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 HUTTENWERK HORDE AG filed Critical HUTTENWERK HORDE AG
Publication of GB695736A publication Critical patent/GB695736A/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
    • B22D7/00—Casting ingots, e.g. from ferrous metals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

695,736. Casting processes. HUTTENWERK HORDE AKT.-GES. April 3, 1951 [April 5, 1950; Dec. 22, 1950], No. 7730/51. Class 83 (i). A process for improving the yield of sound metal from rimmed or unkilled steel is characterized in that, when the ingot has solidified until a rim free from blowholes has been formed and a little of the surface either remains molten or has been reformed by heat or mechanically, de-oxidizing agents having lower melting points than steel, e.g. aluminium, silicon or titanium, are added in such quantity that partial " killing " occurs and this, with subsequent rapid cooling, prevents air from entering the ingot. Cooling may be assisted by introducing solid scrap or applying a heat-dissipating cover, e.g. water-cooled. The cover may have a projection on its lower face to engage the molten metal and cooling ribs on its upper face, the lower face may be of cast iron or steel and the upper of a good heat-conducting alloy.
GB7730/51A 1950-04-05 1951-04-03 Process for improving the yield from rimmed or unkilled steel ingots Expired GB695736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE695736X 1950-04-05

Publications (1)

Publication Number Publication Date
GB695736A true GB695736A (en) 1953-08-19

Family

ID=6607519

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7730/51A Expired GB695736A (en) 1950-04-05 1951-04-03 Process for improving the yield from rimmed or unkilled steel ingots

Country Status (1)

Country Link
GB (1) GB695736A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3210813A (en) * 1961-09-15 1965-10-12 Niederrheinische Hutte Ag Method for the production of effervescent-steel ingots

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3210813A (en) * 1961-09-15 1965-10-12 Niederrheinische Hutte Ag Method for the production of effervescent-steel ingots

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