Patent · US Expired

Mold powder composition and method for continuously casting employing the same

US3937269A · kind A · utility

8Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 1974
Grant dateFeb 10, 1976
Priority date
Expiry dateApr 8, 1994

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22D11/111
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A mold flux powder composition and method for employing the same in the continuous casting of metals, particularly the continuous casting of stainless steel using a submerged-nozzle casting practice. The mold powder composition is, in percent by weight, 30 to 60 fly ash, preferably 40 to 55 fly ash, 10 to 30 calcium fluoride, preferably 10 to 25 calcium fluoride, up to 15 sodium carbonate, up to 15 calcium carbonate, up to 10 cryolite, up to 10 sodium borate, 2 to 8 graphite, 4 to 12 manganese oxide, preferably 5 to 10 manganese oxide, up to 15 powdered glass, and up to 5 iron oxide.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.